Ge Profile Spacemaker Jvm1490sd 003 Parts

The Microwave Door Switch is an OEM part for GE microwaves, designed to prevent the microwave from operating when the door is open by interrupting the power whenever the door is not securely closed. The door switch is an essential safety feature.

Symptoms of a failing Microwave Door Switch include:

• The microwave not starting or heating
• Running when the door is opened
• Unusual noises when the door is closed  

Causes of a bad Microwave Door Switch can result from repeated opening and closing of the door or slamming that can cause the switch to degrade or become misaligned, leading to intermittent or failure.

This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances. 

The Monitor Switch is an OEM replacement part for GE microwave ovens. Located internally on the turntable control circuit board, this switch monitors rotation of the turntable during cooking cycles.  

Causes of failure involve degradation of the electrical contacts from continuous arcing loads over years of use combined with vibration stresses.

Symptoms of a faulty monitor switch include:

• The turntable no longer rotates or spinning intermittently
• Cooking cycles aborting prematurely with error messages 
• Screeching or grinding noises emanating from beneath cavity
• Visible burnt spots on turntable drive assembly

This genuine GE switch is also compatible with select Hotpoint and RCA models.

The High Voltage Diode is an OEM part for GE microwaves. This high-voltage diode is crucial for converting alternating current (AC) to direct current (DC), enabling the magnetron to generate the microwave energy needed for cooking. Measuring approximately 3-1/2" in length, this diode features a banded side with a #8 ring terminal and a non-banded side with a 1/4" female quick connect.

You should replace the diode-H.V assembly if it becomes faulty due to electrical issues, wear and tear, or physical damage. Continuous exposure to high voltage can cause the diode to deteriorate over time, leading to malfunction.

Symptoms of a bad diode-H.V assembly include:

• The microwave not heating food
• A burning smell or unusual noises during operation
• The microwave shutting off unexpectedly
• Visible damage or burn marks on the diode

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

The Capacitor is an OEM part for GE microwaves. This component stores and releases electrical energy to help power the microwave's high-voltage circuits, essential for the proper functioning of the appliance.

Over time, capacitors can fail due to electrical surges, overheating, or degradation of the internal components. When a capacitor goes bad, it can affect the microwave's ability to generate heat and operate efficiently.

Symptoms of a bad Capacitor include:

• The microwave not heating food
• Unusual humming or buzzing noises
• The microwave shutting down or not starting

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

Turntable glass tray. Color: clear. Size. 11-1/2 inches diameter.

The Magnetron is an OEM part for GE microwaves. It is the component responsible for generating the microwave energy that cooks food. The magnetron converts electrical energy into microwave radiation, which heats and cooks the food evenly.

Over time, the magnetron can fail due to wear and tear, electrical issues, or overheating. Causes of a bad magnetron include electrical surges, prolonged usage without proper cooling, or physical damage from impacts or mishandling.

Symptoms of a bad magnetron include:

• The microwave not heating food
• Unusual buzzing or humming noises
• Burning smell during operation
• The microwave shutting off abruptly or not starting

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This high-voltage rectifier diode is used in the microwave's high-voltage circuit. It converts AC to DC so the magnetron can produce heat. A failed diode can cause no heat, loud humming, or a blown fuse when starting. What it does:

• Rectifies high-voltage AC to DC to power the magnetron
• Blocks reverse voltage in the HV circuit
• Common failure symptoms can include: runs but doesn't heat; loud hum then shutdown; line fuse blows at startup

• 1 high-voltage diode

• Unplug the microwave and properly discharge the high-voltage capacitor before servicing—dangerous voltage can remain even when unplugged
• Match diode orientation/polarity to the original and ensure a solid chassis ground connection where used
• Route leads and reinstall any clamps/insulators exactly as found; keep wiring clear of sharp edges and hot components
• If the original diode failed, inspect the HV capacitor and transformer for related issues before reassembly

This microwave high-voltage capacitor stores and releases energy in the high-voltage circuit to power the magnetron. Replacing a failed capacitor helps restore proper heating and protects other components in the high-voltage system.

• Works with the transformer and high-voltage diode to supply the magnetron with the required voltage
• Failure may result in the unit running but not heating
• Shorted capacitors can blow the internal fuse or trip a breaker; opens may cause loud humming or buzzing
• Visible swelling or leakage on the capacitor body are common failure signs

• Unplug the microwave; capacitors can retain a dangerous charge even when unplugged—discharge using an appropriate, insulated method before servicing
• Note wire positions and terminal orientation; transfer any mounting hardware from the original part
• Mount securely and route wires to avoid pinching

This 250V 15A safety fuse protects the appliance's line circuit from overcurrent. When the original fuse has blown, replacing it can restore power and help safeguard internal components from further damage.

• Opens the circuit if excessive current or a short occurs, protecting internal parts
• Common symptom: unit completely dead—no display, lights, or response to controls
• Blown fuse will test open (no continuity) with a multimeter
• If a new fuse blows again, another component may be shorted and needs diagnosis

• Unplug the appliance before servicing; microwaves can retain a dangerous charge—discharge the high-voltage capacitor
• Access the fuse near the line filter/control area; note clip orientation
• Replace only with the same 250V 15A rating; never bypass or upsize the fuse
• If the replacement fuse blows immediately, stop and troubleshoot the root cause

This turntable motor rotates the microwave's glass tray during cooking. Replacing a worn or seized motor restores smooth, consistent tray movement to help ensure even heating and reliable performance.

• Drives the turntable shaft/coupler to rotate the glass tray during cook cycles
• Helps promote more even cooking and defrosting
• Common symptoms of failure: tray doesn't turn, intermittent or jerky rotation, loud humming/grinding from beneath the cavity

• Disconnect power before servicing; microwaves contain high-voltage components—use caution
• Access is typically from the bottom of the unit; remove the tray and coupler, then the motor's mounting screws, and transfer the wire connections
• Align the motor shaft with the coupler and ensure the tray spins freely before reassembly
• Test with a microwave-safe cup of water to ensure smooth rotation

This gas sensor monitors moisture levels during sensor-cook cycles so the control can adjust time and power for consistent results. Replacing a failed sensor restores reliable sensor-cook performance. What it does:

• Detects steam/vapor inside the cavity and sends feedback to the control board
• Helps the appliance automatically set or adjust cooking time on sensor settings
• Failure symptoms can include sensor-cook not starting, stopping early, or running too long
• May trigger "Sensor" or general error messages related to sensor-cook functions

• Disconnect power before servicing; if working on a microwave, discharge the high-voltage capacitor
• Access is typically behind the control panel or air channel; avoid touching/contaminating the sensing surface
• Transfer any mounting clips/brackets and ensure the wiring connector is fully seated
• After installation, run a simple sensor-cook test to confirm operation

This microwave thermostat is a temperature-sensitive safety switch that helps protect the unit from overheating. When the preset limit is reached, it interrupts power to the affected circuit to help prevent damage and erratic shutdowns.

• Monitors temperature at its mounting location and opens the circuit if overheating is detected
• Helps protect internal components from excessive heat
• Common symptoms of a failed thermostat include: unit shuts off during cooking, won't start until it cools down, or has no power/no heat due to an open safety
• Replace if the original tests open when it should be closed

• Disconnect power by unplugging the unit or switching off the circuit breaker before servicing
• Microwaves contain a high-voltage capacitor that can retain a dangerous charge; only qualified persons should service and discharge the capacitor
• Note wire locations before removal and transfer connections firmly to the new thermostat
• Mount the thermostat securely and in the same position to ensure proper temperature sensing

Ceramic

This is a magnetron that is used on microwave ovens. The purpose of the magnetron is to provide the microwaves that actually cook the foot inside of the microwave oven. Use caution when replacing this part. High-voltage capacitors in microwaves can retain a deadly amount of electrical charge, even when they are unplugged.If the microwave begins making a buzzing noise and doesn't heat food properly, this part will need to be replaced. Use extreme caution when working with this appliance. Unplug the unit first.This particular magnetron is compatible with microwave ovens that are manufactured by the General Electric, Hotpoint, and Maytag brands. This part is sold individually and is sourced directly from the manufacturer as a genuine OEM part.

Replacement thermostat that senses and controls the appliance heating system to restore accurate heating and stable temperature cycles, helping the appliance reach and maintain the set temperature. What it does:

• Senses temperature and signals the heating element or valve to turn on/off to maintain set temperature.
• Commonly linked to symptoms such as failure to reach set temperature, temperature fluctuating or cycling erratically, or continuous heating.
• Works as the temperature-regulation component in the appliance's control pathway to stabilize performance.
• Matches the OEM function for temperature control; use when thermostat diagnostics indicate a failed or inaccurate sensor.

• Disconnect power to the appliance before attempting removal or installation to avoid shock or ignition hazards.
• Handle the sensing element and terminals carefully to avoid damage; ensure secure electrical connections and proper routing of any capillary or sensor lead.
• After installation, test the appliance through a full heat cycle to confirm correct operation.

This magnetron generates microwave energy to heat food in compatible countertop and over-the-range microwaves. Replacing a worn magnetron restores cooking power and helps eliminate uneven heating or failure to heat. What it does:

• Converts high-voltage electrical power into microwave radiation used to cook and reheat food
• Common symptom: oven runs but food doesn't heat or heats very slowly
• May also be needed if you notice loud buzzing, arcing, or burning odors during operation
• Works with the microwave's high-voltage system; other components may also need inspection

• One magnetron (single unit as shown)

• Disconnect power and discharge the microwave's high-voltage capacitor before servicing
• Inspect surrounding parts (waveguide, diode, capacitor, and cooling fan) for damage during replacement
• Use only the correct replacement part number to ensure proper fit and safe operation