Thermador Refrigerator not cooling: Common Causes & How to Fix

Repair Instructions:

The condenser fan motor pulls air through the coils and over the compressor to cool the Thermador refrigerator. An improperly working motor prevents proper cooling. First inspect the fan blade for blockages and then manually spin it to check for resistance indicating a bad motor needing replacement. If no obstructions are present and the blade rotates freely, use a multimeter to test the motor's electrical continuity, which verifies its functionality. No continuity confirms the condenser fan motor is defective and requires replacing. Visually and physically checking the blade eliminates external issues. But only multimeter testing can reliably diagnose internal motor faults despite a freely spinning blade. If the Thermador refrigerator is not cooling properly and the fan motor shows no continuity, it is faulty and must be replaced to restore normal cooling operation.

How to Replace a Thermador Refrigerator Condenser Fan Motor

1. Unplug the Thermador refrigerator. Turn off power to avoid electric shock.

2. Remove access panel. On the back of the fridge, unscrew and remove the thin metal panel covering the condenser coil and fan.
3. Detach fan blade. Remove the screws or clips holding the fan blade to the motor shaft and set the blade aside.
4. Disconnect wires. Unplug the condenser fan motor's electrical connector or detach the individual wires. Make note of where each wire was connected.
5. Remove mounting screws. Unscrew any brackets or screws securing the old motor in place. Lift out the old motor.
6. Install new motor. Position the replacement motor and screw it securely in place. Reconnect the wiring according to your notes.
7. Reattach fan blade. Place the blade back onto the new motor's shaft and fasten with the screws or clips.
8. Replace access panel. Screw the thin metal panel back onto the rear of the Thermador refrigerator.
9. Restore power. Plug in the fridge and confirm the condenser fan is running when the compressor activates.
10. Discard old motor. Recycle the old condenser fan motor according to local guidelines.

Repair Instructions:

The evaporator fan motor circulates air over the cooling coils and through the Thermador refrigerator and freezer compartments. Thermador Refrigerators with only one evaporator have it located in the freezer. An inoperable evaporator fan cannot distribute cold air, making the freezer cold while the Thermador refrigerator stays warm. First, manually spin the fan blade to check for locked rotation indicating a defective motor needing replacement. Further inspect for excessive noise signaling worn out bearings or components. If the motor doesn't run, use a multimeter to test its electrical windings for continuity which verifies functionality. No continuity means the evaporator fan motor is bad and must be replaced. Visually and audibly checking the blade and bearings catches mechanical issues. But electrical testing is required to diagnose internal winding faults and avoid unnecessary replacements. Restoring cold air flow requires replacing the non-working evaporator fan motor.

How to Replace a Thermador Refrigerator Evaporator Fan Motor

1. Open the Thermador refrigerator and freezer doors. Remove any items, shelves, or drawers that obstruct access to the back wall of the freezer compartment.
2. Remove the freezer back panel. Locate the screws holding the back panel in place. Use the screwdriver or nut driver to remove these screws. Carefully pull the back panel away to expose the fan motor.
3. Disconnect Wiring. Identify the wiring connected to the fan motor. Gently disconnect the wires from the motor, taking note of their placement.
4. Unscrew the Motor. Using the appropriate tool, carefully remove any screws securing the fan motor to the bracket or housing.
5. Remove the Fan Blade. If the fan blade is attached to the old motor, carefully remove it.
6. Install the New Fan Motor. Position the new fan motor in the same location as the old one. Secure it in place with the screws you removed. If the fan blade was removed, attach it to the new motor.
7. Reconnect Wiring. Reconnect the wires to the new fan motor, ensuring they are correctly matched with their respective terminals.
8. Replace the Freezer Back Panel. Carefully position the back panel and secure it by reinserting and tightening the screws.
9. Reassemble the Freezer Compartment. Reinstall any shelves, drawers, and items you removed to access the fan motor.
10. Plug in the Thermador refrigerator. Check for proper functioning by feeling for airflow or listening for the fan running.

Repair Instructions:

Thermador Refrigerator door gaskets must seal tightly against the frame, maintaining an airtight barrier that retains cold interior air and excludes exterior warmth. Twisted or torn gaskets create gaps allowing warm air influx and poor cooling. Visually inspect for gasket damage which necessitates replacement to reestablish a sound seal. Even small imperfections degrade the insulating enclosure and reduce refrigeration efficiency. Preventing costly overworking of the unit requires installing a new gasket at the first signs of wear. Proper sealing depends on an intact gasket forming a complete closure along the door's edge. Air leaks through minor gaps quickly lower interior temperatures. Correct any seal issues immediately by replacing worn or damaged gaskets to sustain maximum cooling capability and efficiency.

How to Replace a Thermador Refrigerator Door Gasket

1. Remove the Old Gasket. Open the Thermador refrigerator door and locate the screws or retaining clips securing the gasket to the door. Use a screwdriver to remove the screws or carefully release the clips.
2. Peel Off the Old Gasket. Carefully peel the old gasket away from the Thermador refrigerator door. If the gasket is stuck, you can use a hairdryer or heat gun to soften the gasket and make removal easier.
3. Clean the Door Surface. Wipe down the area where the old gasket was attached with a mild cleaning solution. Ensure it's free from any debris or residue.
4. Install the New Gasket. Align the new gasket with the door's edges, starting at one corner. Press the gasket firmly into place, following the path of the original gasket.
5. Secure the Gasket. Reattach the screws or clips that hold the gasket in place, making sure the gasket is snugly fitted against the door. Be cautious not to overtighten screws, as this could damage the gasket.
6. Check for Proper Seal. Close the Thermador refrigerator door and inspect the gasket to ensure it creates a proper seal. You should not see any gaps or feel air escaping when the door is closed.

Repair Instructions:

Many Thermador refrigerators use a damper control assembly to regulate airflow from the freezer to Thermador refrigerator compartments for proper temperature maintenance. A stuck closed damper door prevents cold air transfer, resulting in inadequate refrigeration cooling. If the Thermador refrigerator is not cooling properly, inspect the damper control assembly for issues and replace if malfunctioning. Any restriction of cold air flow to the Thermador refrigerator risks warm interior temperatures. The damper door must freely open and close to maximize cooling air circulation. Review the damper operation and replace the entire faulty assembly to restore proper cold air distribution. Unrestricted airflow enabled by a fully functional damper control is essential for sufficient refrigeration compartment cooling. Replacement restores controlled air flow for optimal temperatures.

How to Replace a Thermador Refrigerator Damper Control Assembly

1. Locate the Damper Control Assembly. Identify the damper control assembly's location within the Thermador refrigerator. It's usually situated in the upper portion of the Thermador refrigerator compartment, typically behind a vent or a panel.

2. Remove Obstructions. Clear the Thermador refrigerator compartment of any items or shelves that might obstruct access to the damper control assembly.
3. Access the Damper Assembly. You may need to remove a vent cover, an air duct, or a panel that conceals the damper control assembly. Remove any screws or clips holding it in place.
4. Disconnect Wiring and Remove the Old Assembly. Carefully disconnect any wiring or connectors that are attached to the damper control assembly. Take note of how these are connected for reference when installing the new assembly. Remove any screws or fasteners holding the old damper control assembly in place.
5. Install the New Damper Control Assembly. Align the new damper control assembly in the same position as the old one. Secure it in place using the appropriate screws or fasteners, making sure it's tightly attached.
6. Reconnect Wiring. Reattach the wiring and connectors to the new damper control assembly, ensuring they match their original positions.
7. Replace Vent Cover or Panel. Reinstall the vent cover, air duct, or panel that conceals the damper control assembly. Secure it with screws or clips.
8. Reassemble the Thermador Refrigerator Compartment. Put back any shelves, items, or drawers you removed earlier to access the damper control assembly.
9. Plug In the Thermador Refrigerator. Plug in the Thermador refrigerator or turn it back on.
10. Test the Damper Control Assembly. Allow the Thermador refrigerator to run and cool for some time. Monitor the damper control assembly to ensure it opens and closes correctly, regulating the temperature and airflow within the Thermador refrigerator compartment.

Repair Instructions:

The start relay and start winding work together to activate the compressor. A faulty relay can cause intermittent or complete compressor failure, resulting in insufficient cooling. Use a multimeter to test for electrical continuity between the relay's run and start terminals - no continuity confirms a defective unit needing replacement. Also inspect for any burnt smell indicating relay damage. Only a properly operating start relay provides consistent activation of the compressor to maintain interior temperatures. Lack of continuity or a burnt odor requires replacing the start relay to restore normal operation. Compressor issues like not starting or not running point to potential relay failure. Multimeter testing and inspection verifies a faulty relay that must be replaced for the compressor to function properly and Thermador refrigerator cooling to resume.

How to Replace a Thermador Refrigerator Start Relay

1. Unplug the Thermador Refrigerator. Begin by ensuring the Thermador refrigerator is unplugged to guarantee your safety while working on the appliance.

2. Locate the Start Relay. Find the current start relay, which is typically located near the compressor at the back of the Thermador refrigerator. The relay is a small, cylindrical or rectangular component connected to the compressor.
3. Identify Wiring Connections. Take note of the wiring connections on the old start relay. There are usually two or three wires attached. These wires are typically color-coded or labeled.
4. Disconnect Wiring. Carefully disconnect the wires from the old start relay. You can use needle-nose pliers to gently remove any wire connectors.
5. Remove the Old Start Relay. To remove the old start relay, gently pull it out from its socket on the compressor. Be cautious not to damage any other components during this process.
6. Install the New Start Relay. Position the new start relay in the same socket on the compressor where the old relay was located. Ensure it's securely fitted.
7. Reconnect Wiring. Reattach the wires to the corresponding terminals on the new start relay. If the wires were originally connected to a capacitor, make sure to reconnect them to the correct terminals on the new relay.
8. Secure Any Clips or Mounting Hardware. If there are any clips, mounting brackets, or fasteners that held the old start relay in place, secure them to the new relay to ensure it remains stable.
9. Plug in the Thermador Refrigerator. Plug the Thermador refrigerator back in. Verify that the Thermador refrigerator maintains the desired temperature and that there are no issues with temperature fluctuations or cooling.

Repair Instructions:

Though unlikely, a faulty control board could cause cooling issues. However, more commonly defective parts should be tested first before assuming control board failure. Given its low probability, replacement should only be considered after verifying proper operation of all other components. Troubleshoot and test the most failure-prone Thermador refrigerator parts initially. The control board controls and coordinates Thermador refrigerator systems, but issues are rarely rooted there. Instead, improper operation of individual components disrupts their communication with the control board. Isolate potential problems in those systems before the complex control board. While control boards do fail, excessive replacement attempts indicate other overlooked causes

How to Replace a Thermador Refrigerator Control Board

1. Unplug the Thermador Refrigerator. Unplug the Thermador refrigerator from the electrical outlet to ensure your safety while working on the appliance.

2. Locate the Control Board. Identify the current control board, typically located in the Thermador refrigerator's control panel, which is often located on the front of the appliance, near the top or inside the Thermador refrigerator section.
3. Document Wiring Connections. Take photographs or make a detailed note of the wiring connections on the old control board for correctly reconnecting the wires to the new control board.
4. Disconnect Wiring. Gently disconnect the wires and connectors from the old control board.
5. Remove the Old Control Board. You may need to remove screws, clips, or retaining brackets securing the old control board. Carefully remove these components to access the control board.
6. Install the New Control Board. Position the new control board in the same location as the old one and secure it with screws, clips, or brackets.
7. Reconnect Wiring. Reattach the wires and connectors to the corresponding terminals on the new control board.
8. Plug in the Thermador Refrigerator. Allow the Thermador refrigerator to run for a while. Test the control board's functionality by adjusting temperature settings, ensuring that it properly regulates the Thermador refrigerator's temperature and features like defrost cycles.

Repair Instructions:

The inverter board controls compressor activation, cycling it on and off to regulate cooling. Use a multimeter to check if power is reaching the compressor. No power indicates a faulty inverter board needing replacement. The inverter board functions as the central switch directing electricity to run the compressor. When it fails, the compressor receives no voltage input and cannot start. Lack of compressor operation leads to interior warming and loss of refrigeration.

How to Replace a Thermador Refrigerator Inverter Board

1. Unplug the Thermador Refrigerator. Unplug the Thermador refrigerator from the electrical outlet to ensure your safety while working on the appliance.
2. Locate the Inverter Board. Find the current inverter board, which is often located near the compressor at the back of the Thermador refrigerator. The inverter board is a small electronic component connected to the compressor.
3. Document Wiring Connections. Take photographs or make a note of the wiring connections on the old inverter board for reconnecting the wires to the new inverter board.
4. Disconnect Wiring. Carefully disconnect the wires and connectors from the old inverter board.
5. Remove the Old Inverter Board. You may need to remove screws, clips, or brackets securing the old inverter board in place. Carefully remove these components to access the inverter board.
6. Install the New Inverter Board. Position the new inverter board in the same location as the old one and secure it with screws, clips, or brackets.
7. Reconnect Wiring. Reattach the wires and connectors to the corresponding terminals on the new inverter board.
8. Secure Any Clips or Mounting Hardware. If there are any clips, mounting brackets, or fasteners that held the old inverter board in place, secure them to the new inverter board to ensure it remains stable.
9. Plug in the Thermador Refrigerator. After securely connecting the wiring and installing the new inverter board, plug the Thermador refrigerator back in or turn it on.
10. Test the Inverter Board. Allow the Thermador refrigerator to run for a while. Monitor the inverter board's functionality to ensure it correctly regulates the compressor's speed and operation.

Repair Instructions:

The defrost heater assembly activates periodically to melt frost buildup on evaporator coils, allowing proper cooling. A defective heater prevents defrosting, enabling excessive frost accumulation that reduces Thermador refrigerator efficiency. Use a multimeter to test the defrost heater for electrical continuity, which verifies its functionality. Lack of continuity confirms a burnt-out heater needing replacement. Only testing can reliably determine heater failure, as visible inspection cannot catch all internal damage.

How to Replace a Thermador Refrigerator Defrost Heater Assembly

1. Unplug the Thermador Refrigerator. Unplug the Thermador refrigerator from the electrical outlet to ensure your safety while working on the appliance.
2. Remove Items from Freezer. Empty the freezer compartment, removing all food items, shelves, and drawers that obstruct access to the rear panel.
3. Access the Defrost Heater. Carefully remove the rear panel or cover that conceals the defrost heater assembly. Remove screws or clips holding the panel in place.
4. Disconnect Wiring. Identify the wires or connectors attached to the old defrost heater assembly. Gently disconnect these wires, taking note of their positions for reference during reconnection.
5. Uninstall the Old Heater Assembly. Carefully remove the screws or clips securing the old defrost heater assembly to the evaporator coil.
6. Install the New Defrost Heater Assembly. Position the new defrost heater assembly in the same location as the old one, ensuring it's securely attached to the evaporator coil or mounting bracket.
7. Reconnect Wiring. Reattach the wires and connectors to the corresponding terminals on the new defrost heater assembly, making sure they match their original positions.
8. Replace the Rear Panel. Reinstall the rear panel or cover that conceals the defrost heater assembly, securing it with screws or clips.
9. Restore Items to the Freezer. Place back all the shelves, drawers, and food items you removed earlier from the freezer compartment.
10. Plug in the Thermador Refrigerator. After securely connecting the wiring and installing the new defrost heater assembly, plug the Thermador refrigerator back in or turn it on.
11. Monitor the Defrost Cycle. Allow the Thermador refrigerator to run for some time and observe the defrost heater assembly. It should periodically activate to melt ice on the evaporator coil.

Repair Instructions:

The start device, often a start relay, partners with the start winding to activate the compressor motor. A faulty start device can cause intermittent or complete compressor failure, resulting in insufficient cooling. Use a multimeter to check for electrical continuity between the start device's run and start terminals - no continuity confirms a defective unit needing replacement. Also inspect for any burnt odor indicating damage to the start device.

How to Replace Thermador Refrigerator Start Device

1. Safety Precautions:

   • Begin by unplugging the Thermador refrigerator to ensure your safety throughout the replacement process.
   • Remove all items from the Thermador refrigerator and clear any obstacles that may hinder access to the start device.

2. Locate the Start Device:

   • Consult the user manual or search online to identify the precise location of the start device in your specific Thermador refrigerator model.
   • Typically, it is positioned at the back of the Thermador refrigerator, near the compressor.

3. Disconnect the Thermador Refrigerator:

   • Disconnect the Thermador refrigerator from the power source and, if applicable, from the water supply or any other connected components.

4. Remove the Old Start Device:

   • Locate the start device and carefully detach it from the compressor, ensuring no damage occurs to the surrounding components.

5. Install the New Start Device:

   • Align the new start device with the compressor and securely attach it, ensuring a proper fit.
   • Make sure all connecting wires and components are correctly fastened.

6. Reconnect the Thermador Refrigerator:

   • Reconnect the Thermador refrigerator to the power source and any other previously disconnected components.
   • Double-check all connections to ensure they are secure and properly fastened.

7. Test the Thermador Refrigerator:

   • Plug the Thermador refrigerator back in and monitor its performance over the next few hours.
   • Listen for any unusual noises or vibrations that may indicate a problem with the installation.

8. Final Check:

   • Double-check all connections and ensure the start device is functioning correctly.
   • Verify that the Thermador refrigerator is cooling as expected and that the replacement has resolved any previous issues.

Always refer to the specific user manual for your Thermador refrigerator model and consider seeking professional assistance if you are uncertain about the replacement process.

Repair Instructions:

The condenser coils found underneath most Thermador refrigerators release heat as refrigerant passes through. Dirty coils cannot dissipate heat efficiently, reducing Thermador refrigerator cooling capacity. Thermador Refrigerators have to work harder to maintain temperature as debris accumulates on coils over time. Extensive dirt buildup can prevent reaching proper temperatures at all. Visually inspect condenser coils to check for dirt accumulation, which indicates the need for a thorough cleaning. Proper coil cleaning restores cooling performance and eliminates overworking the Thermador refrigerator to compensate for blocked heat dissipation. Allowing coils to remain clogged with debris forces the Thermador refrigerator to run excessively with decreasing effectiveness. Keeping condenser coils clean enables efficient heat release for effortless temperature regulation.

Repair Instructions:

The temperature control thermostat directs voltage to the compressor, evaporator fan, and condenser fan motors to regulate cooling. A malfunctioning thermostat can prevent system operation. First, rotate the thermostat from the minimum to maximum settings listening for a clicking sound which indicates proper function. If no click, use a multimeter to check electrical continuity across the thermostat terminals at every setting. Lack of continuity means the thermostat should be replaced. Click testing eliminates many working units. However, only multimeter verification of continuity can confirm issues with internal switching contacts. Thermostats coordinate system components to maintain temperatures. Failure risks cooling loss from disabled parts. Replace defective, non-continuous thermostats to restore compressor and fan control so normal refrigeration resumes.

How to Replace a Thermador Refrigerator Temperature Control Thermostat

1. Unplug the Thermador Refrigerator. Unplug the Thermador refrigerator from the electrical outlet to ensure your safety while working on the appliance.

2. Locate the Thermostat. Find the existing temperature control thermostat. It's often situated in the Thermador refrigerator's control panel, typically found in the upper section of the Thermador refrigerator compartment.
3. Disconnect Power to the Control Panel. In some cases, you may need to remove the control panel cover or housing to access the thermostat. Depending on your Thermador refrigerator model, this might involve removing screws or clips to detach the cover.
4. Note Wiring Connections. Take photographs or make a note of the wiring connections on the old thermosta for reconnecting the wires to the new thermostat.
5. Disconnect Wiring. Gently disconnect the wires and connectors from the old thermostat.
6. Remove the Old Thermostat. You may need to remove screws, clips, or brackets securing the old thermostat in place. Carefully remove these components to access the thermostat.
7. Install the New Thermostat. Position the new thermostat in the same location as the old one and secure it with screws, clips, or brackets.
8. Reconnect Wiring. Reattach the wires and connectors to the corresponding terminals on the new thermostat.
9. Reassemble the Control Panel. Reattach the control panel cover or housing, securing it with screws or clips.
10. Plug in the Thermador Refrigerator. After securely connecting the wiring and installing the new thermostat, plug the Thermador refrigerator back in or turn it on.
11. Set and Test the Thermostat. Adjust the thermostat to your desired temperature setting. It may take some time for the Thermador refrigerator to reach and stabilize at the desired temperature.

Repair Instructions:

The start capacitor delivers increased power to start the compressor. Without this boost, the compressor may fail to activate, preventing refrigeration. Use a multimeter to test the start capacitor functionality. If defective, replace it to enable proper compressor operation. Start capacitors momentarily intensify starting current to overcome the motor's resistance. Insufficient starting energy leaves the compressor unable to transition to normal running.

How to Replace a Thermador Refrigerator Start Capacitor

1. Unplug the Thermador refrigerator. Disconnect the power cord from the outlet to avoid electrocution.

2. Locate the start capacitor. It is usually found near the compressor at the back of the fridge. It will be a small cylindrical device with two or three electrical prongs.
3. Disconnect the wiring. Use a Phillips screwdriver to detach the wires leading to the old capacitor's prongs. Make note of where each wire was connected.
4. Remove mounting screws. Unscrew any brackets or screws securing the old capacitor in place.
5. Install new capacitor. Position the new capacitor and reconnect each wire to its corresponding prong. Screw in place if needed.
6. Check connections. Make sure the wires are securely fastened to the correct prongs before restoring power.
7. Plug in and test. Reconnect the fridge and listen for the compressor to turn on. Monitor cooling for proper temperature.
8. Discard old capacitor. Deposit the old start capacitor in approved electronics recycling or waste disposal.

Repair Instructions:

The defrost thermostat monitors evaporator coil temperature, closing its internal contacts at low temperatures to activate the defrost heater. This melts away any accumulated frost during the defrost cycle to maintain cooling performance. A faulty thermostat can prevent heater activation, allowing frost buildup on the coils which reduces refrigeration. Use a multimeter to test the thermostat's electrical continuity at temperatures within its operating range. No continuity signifies a defective thermostat needing replacement.

How to Replace Thermador Refrigerator Defrost Thermostat

1. Preparation:

   • Unplug the Thermador refrigerator from the power source to ensure safety.
   • Empty the contents of the freezer and remove any shelves or compartments obstructing access to the back panel.

2. Locate the Defrost Thermostat:

   • Consult the user manual or search online for the specific location of the defrost thermostat in your Thermador refrigerator model.
   • Typically, it is positioned near the evaporator coils at the back of the freezer compartment.

3. Remove the Panel Cover:

   • Using a screwdriver, carefully unscrew the panel cover that shields the thermostat and other components.
   • Keep track of the screws and store them in a secure place to avoid misplacement.

4. Disconnect Wires and Remove the Defrost Thermostat:

   • Identify the wires attached to the defrost thermostat.
   • Gently detach the wires by either sliding off the connectors or using a pair of pliers, depending on the connection type.
   • Remove the defrost thermostat from its housing by carefully pulling it out.

5. Install the New Defrost Thermostat:

   • Place the new defrost thermostat into the housing, ensuring a secure fit.
   • Reconnect the wires to the corresponding terminals by firmly pressing them into place.

6. Replace the Panel Cover:

   • Reattach the panel cover by aligning it with the designated slots and carefully tightening the screws.
   • Verify that the cover is secure and properly sealed to prevent any potential issues.

7. Restore Power and Test:

   • Plug the Thermador refrigerator back into the power source.
   • Set the thermostat to the appropriate temperature setting and monitor the freezer's performance over the next few hours.
   • Ensure that the defrost cycle is functioning correctly and that the thermostat is regulating the temperature as intended.

8. Clean Up:

   • Dispose of any packaging from the new thermostat and return the freezer's contents to their original places.
   • Wipe down the area to remove any dust or debris that may have accumulated during the replacement process.

9. Final Check:

   • Double-check all connections and ensure that the panel cover is securely fastened.
   • Confirm that the Thermador refrigerator is operating smoothly and that the defrost thermostat replacement has resolved any previous issues.

Always consult the specific user manual for your Thermador refrigerator model and consider seeking professional assistance if you are uncertain about the replacement process.

Repair Instructions:

The thermistor senses Thermador refrigerator interior temperature and relays readings to the control board, which manages compressor and evaporator fan operation accordingly. A faulty thermistor can prevent necessary activation, resulting in inadequate cooling. Use a multimeter to test if thermistor resistance corresponds to temperature changes. Lack of variance or electrical continuity confirms a defective unit needing replacement.

How to Replace Thermador Refrigerator Thermistor

1. Prepare the Thermador Refrigerator:

   • Safely unplug the Thermador refrigerator to prevent any electrical accidents during the replacement process.
   • Empty the contents of the Thermador refrigerator and, if necessary, remove any storage shelves or drawers that might obstruct access to the thermistor.

2. Locate the Thermistor:

   • Refer to the user manual or search online for the precise location of the thermistor in your Thermador refrigerator model.
   • Typically, it is situated near the cooling coils, often behind the rear panel inside the Thermador refrigerator compartment.

3. Remove the Panel Cover:

   • Using a suitable screwdriver, carefully unscrew the panel cover to expose the thermistor and other internal components.
   • Keep track of the screws and store them in a secure location to prevent misplacement.

4. Disconnect the Old Thermistor:

   • Identify the thermistor and locate its connection point.
   • Gently detach the thermistor by either sliding off the connectors or using a pair of pliers, depending on the type of connection.

5. Install the New Thermistor:

   • Secure the new thermistor in the designated location, ensuring it is properly positioned and fixed.
   • Reconnect the wires to the corresponding terminals by firmly pressing them into place.

6. Replace the Panel Cover:

   • Reattach the panel cover by aligning it with the designated slots and securely tightening the screws.
   • Ensure that the cover is firmly in place and properly sealed to prevent any potential issues.

7. Restore Power and Test:

   • Plug the Thermador refrigerator back into the power source.
   • Set the Thermador refrigerator to the recommended temperature and monitor its performance over the next few hours.
   • Ensure that the thermistor is accurately measuring the temperature and that the Thermador refrigerator is cooling as expected.

8. Clean Up:

   • Dispose of any packaging from the new thermistor and return the Thermador refrigerator's contents to their original positions.
   • Wipe down the area to remove any dust or debris that may have accumulated during the replacement process.

9. Final Check:

   • Double-check all connections and ensure that the panel cover is securely fastened.
   • Confirm that the Thermador refrigerator is functioning smoothly and that the new thermistor replacement has resolved any previous temperature regulation issues.

Always consult the specific user manual for your Thermador refrigerator model and consider seeking professional assistance if you are uncertain about the replacement process.

Repair Instructions:

The temperature sensor monitors the Thermador refrigerator's interior temperature and provides readings to the main control board. This allows the control board to accurately regulate the compressor, fans, and other components to maintain the desired cooling levels. A failed sensor can provide incorrect data to the board, preventing proper temperature adjustments. Use a multimeter to test the sensor's resistance and verify it changes corresponding to temperature fluctuations. Lack of variance indicates a faulty sensor that should be replaced. Proper cooling relies on the precise data from a functional sensor, so the control board can activate the refrigeration system as needed. Diagnostic resistance testing validates the sensor is correctly reading interior conditions.

How to Replace Thermador Refrigerator Temperature Sensor

1. Safety Precautions:

   • Prior to any work, unplug the Thermador refrigerator to prevent any electrical accidents during the replacement process.
   • Empty the contents of the Thermador refrigerator and remove any shelves or items obstructing access to the temperature sensor.

2. Locate the Temperature Sensor:

   • Refer to the user manual or search online for the exact location of the temperature sensor in your specific Thermador refrigerator model.
   • Generally, it is situated near the evaporator coil or in the Thermador refrigerator compartment.

3. Remove the Sensor Cover:

   • Use a screwdriver to carefully detach the sensor cover, exposing the temperature sensor and other related components.
   • Keep track of the screws and store them in a secure place to prevent misplacement.

4. Detach the Old Temperature Sensor:

   • Identify the wires connected to the temperature sensor and take note of their positions.
   • Gently detach the wires by either sliding off the connectors or using pliers, depending on the type of connection.
   • Remove the old temperature sensor from its housing by carefully pulling it out.

5. Install the New Temperature Sensor:

   • Insert the new temperature sensor into the designated slot, ensuring a secure fit.
   • Reconnect the wires to the corresponding terminals by firmly pressing them into place.

6. Replace the Sensor Cover:

   • Reattach the sensor cover by aligning it with the designated slots and securely tightening the screws.
   • Confirm that the cover is properly secured and adequately sealed.

7. Restore Power and Test:

   • Plug the Thermador refrigerator back into the power source.
   • Set the Thermador refrigerator to the recommended temperature and monitor its performance over the next few hours.
   • Ensure that the temperature sensor is accurately reading the temperature and that the Thermador refrigerator is cooling as expected.

8. Clean Up:

   • Dispose of any packaging from the new temperature sensor and return the Thermador refrigerator's contents to their original positions.
   • Wipe down the area to remove any dust or debris that may have accumulated during the replacement process.

9. Final Check:

   • Double-check all connections and ensure that the sensor cover is securely fastened.
   • Confirm that the Thermador refrigerator is functioning smoothly and that the new temperature sensor has resolved any previous temperature regulation issues.

Always consult the specific user manual for your Thermador refrigerator model and consider seeking professional assistance if you are uncertain about the replacement process.

Repair Instructions:

The temperature control board supplies power to the compressor and fan motors. Though uncommon, a defective board can cease activating the cooling system. However, control boards are often misdiagnosed. First test more failure-prone parts before replacement. The board orchestrates Thermador refrigerator components but issues rarely originate there. Instead, malfunctions in individual systems disrupt communication with the board. Isolate faults in those areas first before assuming board failure. Replacement attempts indicate overlooked causes if other components are untested. Consider board replacement only after confirming proper operation of fans, compressor, thermostat and other parts.

How to Replace Thermador Refrigerator Temperature Control Board

1. Preparation:

   • Begin by unplugging the Thermador refrigerator to ensure your safety throughout the replacement process.
   • Empty the contents of the Thermador refrigerator and remove any items or shelves that might hinder access to the control board.

2. Locate the Control Board:

   • Consult the user manual or search online to pinpoint the exact location of the temperature control board within your specific Thermador refrigerator model.
   • Typically, it is situated behind the control panel or at the back of the Thermador refrigerator.

3. Remove the Control Panel:

   • Using a suitable screwdriver, carefully detach the control panel from the Thermador refrigerator's exterior.
   • Keep track of the screws and store them in a safe place to prevent loss or misplacement.

4. Disconnect Wires and Remove the Old Control Board:

   • Identify the wires attached to the control board and take note of their positions.
   • Gently detach the wires by either sliding off the connectors or using a pair of plier, depending on the connection type.
   • Remove the old temperature control board from its housing by carefully pulling it out.

5. Install the New Control Board:

   • Place the new control board into the designated slot, ensuring a snug fit.
   • Reconnect the wires to the corresponding terminals by firmly pressing them into place.

6. Replace the Control Panel:

   • Reattach the control panel by aligning it with the appropriate slots and securely tightening the screws.
   • Verify that the panel is properly secured and firmly in place.

7. Restore Power and Test:

   • Plug the Thermador refrigerator back into the power source.
   • Set the temperature control to the recommended level and monitor the Thermador refrigerator's performance over the next few hours.
   • Ensure that the control board is effectively regulating the temperature and that the Thermador refrigerator is cooling as expected.

8. Clean Up:

   • Discard any packaging from the new control board and return the Thermador refrigerator's contents to their original positions.
   • Wipe down the area to remove any dust or debris that may have accumulated during the replacement process.

9. Final Check:

   • Double-check all connections and ensure that the control panel is securely fastened.
   • Confirm that the Thermador refrigerator is functioning smoothly and that the new temperature control board has resolved any previous temperature regulation issues.

Always refer to the specific user manual for your Thermador refrigerator model and consider seeking professional assistance if you are uncertain about the replacement process.

Repair Instructions:

The compressor pumps and circulates refrigerant through the evaporator and condenser coils to enable cooling. Compressor failure eliminates refrigeration, but is uncommon. First verify proper operation of more defect-prone parts before compressor testing. Use a multimeter to check electrical continuity between compressor pins, which indicates internal functionality. An open circuit points to a bad compressor requiring replacement by a technician. Though critical, compressor issues are rare. Instead, problems in individual components disrupt the refrigeration cycle. Methodically test evaporator, condenser, thermostat, and other systems first. Isolate faults there before compressor replacement. Despite appearing inactive, many non-working compressors are fine. Pin continuity testing provides definitive diagnosis of internal damage. Replace only confirmed faulty compressors after eliminating other more likely causes.

How to Replace Thermador Refrigerator Compressor

1. Safety Precautions:

   • Unplug the Thermador refrigerator from the power source to prevent any electrical accidents during the replacement process.
   • Empty the contents of the Thermador refrigerator and remove any shelves or items that may obstruct access to the compressor.

2. Locate the Compressor:

   • Refer to the user manual or search online to identify the exact location of the compressor in your Thermador refrigerator model.
   • Typically, the compressor can be found at the back of the Thermador refrigerator, near the bottom.

3. Disconnect the Thermador Refrigerator:

   • Shut off the water supply and disconnect the Thermador refrigerator from the water line if it is connected to a water dispenser or ice maker.
   • Disconnect any other attached components to the compressor, such as the condenser fan or the start relay.

4. Release Refrigerant:

   • If the Thermador refrigerator is older, it might use R-134a or R-12 refrigerant. In this case, it is essential to contact a professional to properly remove the refrigerant before proceeding with the replacement.

5. Remove the Old Compressor:

   • Use a wrench to loosen the bolts securing the compressor to the Thermador refrigerator.
   • Carefully detach the compressor from the Thermador refrigerator, ensuring no damage occurs to the surrounding components.

6. Install the New Compressor:

   • Position the new compressor in place and secure it by tightening the bolts with a wrench.
   • Reconnect any additional components that were detached during the removal process.

7. Recharge Refrigerant:

   • If the refrigerant was released, it's crucial to have a professional refill the system with the appropriate amount of refrigerant according to the manufacturer's specifications.

8. Reconnect the Thermador Refrigerator:

   • Reconnect the Thermador refrigerator to the power source and, if applicable, reconnect the water supply.
   • Ensure all connections are secure and properly fastened.

9. Test the Thermador Refrigerator:

   • Power on the Thermador refrigerator and monitor its performance over the next few hours.
   • Check for any unusual noises or leaks that might indicate a problem with the installation.

10. Final Check:

    • Double-check all connections and ensure the compressor is functioning correctly.
    • Verify that the Thermador refrigerator is cooling as expected and that the replacement has resolved any previous issues.

Always consult a professional or the manufacturer's guidelines if you are unsure about the replacement process or dealing with refrigerants.

Repair Instructions:

First, verify the power cord is fully inserted into a live outlet, and check fuses or breakers if needed. Thermador Refrigerators operate best on a dedicated circuit. Ensure it is not connected to a ground fault interrupted receptacle, which can trip and disrupt cooling. Use a regular receptacle instead; ground fault types are not recommended. Tight outlet connections and proper electrical supply are required for the compressor and cooling system to function. Loose plugs or tripped breakers cut power intermittently. Dedicated circuits prevent overloaded shared lines from affecting Thermador refrigerator operation. Both issues can prevent the unit from running while appearing plugged in. Correcting any outlets and wiring provides consistent power, while switching from ground fault receptacles removes potential interference are simple first steps toward restoring cooling capabilities.

Repair Instructions:

First, check that the freezer temperature is set between 0 and 5 degrees Fahrenheit (-18 to -15 Celsius) and the Thermador refrigerator is between 34 and 40 degrees Fahrenheit (1 to 5 Celsius). If not, adjust the settings to align with the proper temperature ranges. Allow 24 hours after resetting for the new temperatures to stabilize before assessing cooling performance. Premature evaluation risks drawing incorrect conclusions if sufficient time was not given for temperature adjustments. Verifying ideal temperature settings were established is the necessary initial step. With ideal set points confirmed, a full day permits the appliance to achieve balanced operation at the revised thermostat cooling levels. Only after waiting the full 24 hours to allow temperatures to fully adapt to the new set points, can accurate diagnosis of potential cooling issues be conducted through observing interior temperatures.