Maytag Refrigerator Defrost Timer, Adaptive Defrost Control

The Whirlpool Defrost Timer is an OEM replacement part for Whirlpool refrigerators. The defrost timer regulates the automatic defrost cycle, which prevents ice buildup on the evaporator coils in the freezer compartment by sending a signal to the defrost heater to turn on and melt any ice buildup on the coils. 

Causes of a bad defrost timer can include mechanical wear over time, electrical failures, or internal component damage. Prolonged usage and voltage spikes can also affect the timer's functionality.

Symptoms of a bad Defrost Timer include:

• Excessive frost buildup in the freezer compartment
• The refrigerator or freezer not maintaining the set temperatures
• Unusual noises coming from the appliance 
• The appliance running continuously without cycling off

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

The Refrigerator Defrost Timer is an OEM Replacement Part designed to manage the automatic defrost system in Whirlpool freezers. Housed at the top inside of the appliance, this component shuts off the cooling system and activates the defrost heater. The timer operates at 120V 60Hz and activates for 33 minutes every 8 hours. The dial on the timer can be turned clockwise to advance it into and out of defrost.

Causes of a faulty Defrost Timer Kit can include electrical issues, mechanical wear and tear over time, or problems with the timer's internal components.

Symptoms of a bad Defrost Timer Kit include:

• Freezer not defrosting properly, leading to excessive ice buildup
• Refrigerator running constantly or not cooling effectively
• Condensation or moisture issues inside the refrigerator
• Error codes related to the defrost system

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The Defrost Control Board is an OEM replacement part for Whirlpool refrigerators. This circuit board coordinates defrost heating cycles to remove built-up frost from evaporator coils.

Causes relate to water damage following leaks, component failure due to power surges loosening connectors, or general component wear over time.

Symptoms of issues include:

• Frost accumulation on interior freezer walls reducing capacity
• Food freezing underneath heavy buildup layers
• Inoperable heating element failing to restore airflow

This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air and some Kenmore models.

The Defrost Control Board is an OEM part for Whirlpool refrigerators. This board manages the defrost cycle by controlling the defrost heater and monitoring the freezer's temperature. 

Causes of a bad defrost control board can include electrical issues, wear from continuous use, or damage from power surges.  

Symptoms of a bad defrost control board include:

• Excessive frost buildup in the freezer compartment
• The refrigerator not cooling properly
• The defrost heater not activating
• The refrigerator running continuously without cycling off

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

Adaptive Defrost Control Board

This defrost timer controls when your refrigerator or freezer enters and exits the automatic defrost cycle to clear frost from the evaporator coils. Replacing a failed timer restores reliable defrosting to help maintain airflow, cooling performance, and stable temperatures.

• Advances on a timed schedule to initiate and end the defrost cycle
• Sends power to the defrost heater during defrost, then returns the system to cooling
• Helps prevent heavy frost buildup that restricts airflow and cooling
• Common symptoms of a bad timer: unit not defrosting or warming over time, heavy ice on the evaporator/cover, stuck running or stuck in defrost, or a timer that won't advance

• Disconnect power before servicing
• Access the timer (commonly in the control housing or machine compartment)
• Note/photograph wire positions and move leads one at a time to the new timer; mount securely
• Restore power and monitor for proper cycling; some models allow using the timer's advance slot to start a test defrost

This refrigerator defrost timer automatically starts and ends the defrost cycle to melt frost from the evaporator coils. Replacing a failed timer restores consistent cooling performance and helps prevent frost buildup that can restrict airflow.

• Controls the timed switch between cooling and defrost to keep evaporator coils clear of frost
• Common symptoms of failure: heavy frost on the evaporator or back panel, fresh food section too warm, unit runs constantly, or won't resume cooling after defrost
• Restores proper frost removal and airflow for stable temperatures
• Designed to match the original timer's function and wiring connections for applicable models

• Disconnect power before servicing; wear cut-resistant gloves
• Access location varies by model—often in the fresh food control housing or rear machine compartment
• Photograph/label wire positions and transfer them to the matching terminals on the new timer
• Reuse original mounting hardware and install in the same orientation as the original

This defrost timer controls the automatic defrost cycle in select refrigerators and freezers, switching between cooling and defrost to clear frost on the evaporator. It helps maintain stable temperatures and prevents heavy ice buildup and long run times. What it does:

• Alternates the system between cooling and defrost on a timed schedule
• Sends power to the defrost heater during defrost, then returns power to the compressor and fans
• Failure can cause heavy frost on the evaporator/back freezer wall
• May lead to warmer temperatures, constant running, short cycling, or no-cool if stuck in defrost

• 1 defrost timer

• Disconnect power before servicing
• Access location varies by model
• Note wire positions and transfer them one at a time to the new timer
• Mount securely in the same orientation as the original and verify normal cycling after power is restored

This defrost timer cam replaces the plastic cam on a mechanical defrost timer. It restores the timer's changeover between cooling and defrost, helping prevent frost buildup on the evaporator and temperature swings inside the refrigerator.

• Mounts on the timer shaft to actuate the internal switch between cooling and defrost
• Helps resolve issues like heavy frost on the evaporator, warm fresh food section, or a unit stuck in defrost/run
• Corrects timer advancement problems caused by a stripped, cracked, or missing cam
• Typically installed with the defrost timer in the control housing or rear service area

• Disconnect power before servicing
• Access the defrost timer and note the original cam's orientation for reference
• Remove any retainer, pull the old cam straight off, and press the new cam fully onto the shaft without forcing
• Reassemble, then manually advance the timer to confirm it switches modes before restoring power

This is a refrigerator control board that can be used to replace a damaged or faulty board in select refrigerators. The control board is used to manage various functions that occur in the refrigerator, including cooling and defrosting. If there is a problem with the board, the refrigerator might not be able to defrost correctly, or it might not stay cool.The control board for the refrigerator tends to last a long time. However, it could eventually wear out and stop working. It could be damaged due to a voltage surge, or it might be a faulty board. Remove and store all food in the refrigerator and unplug it before beginning repairs.This refrigerator control board works with certain models from Kenmore, Whirlpool, KitchenAid, Roper, Estate, Inglis, Crosley, Gladiator, Kirkland, and Maytag. It's sold individually and is a genuine OEM replacement.

The defrost timer controls your refrigerator's automatic defrost cycle, periodically pausing cooling to power the defrost heater. Replacing a faulty timer restores proper defrosting to help prevent frost buildup, temperature swings, and excessive run time.

• Advances the system between cooling and defrost at set intervals
• Sends power to the defrost heater, then returns the unit to cooling
• Failure may cause heavy frost on evaporator coils and weak airflow
• Fresh food section may run warm while the freezer ices over
• Unit may run constantly, never defrost, or get stuck in defrost

• Disconnect power before servicing
• Location varies by model; access the timer (often in the control housing or rear compartment), note wire positions, and transfer one at a time
• Mount and secure the timer as originally installed; reuse existing bracket/fasteners
• After reassembly, restore power and verify the unit advances through cooling and defrost

This electronic control board manages the appliance's functions and user interface, restoring normal operation when the original board fails. It replaces a faulty control module to help re-enable cycles, settings, and display feedback. What it does:

• Receives input from the control panel and sensors to run timed cycles and selected options
• Controls power delivery, timers, and cycle sequencing for proper operation
• Can cause error codes, unresponsive buttons, or intermittent operation if damaged

• One electronic control board (main control board) as shown

• Disconnect power before removing or installing the control board to avoid shock or damage
• Handle the board carefully; avoid touching circuitry and use anti-static precautions when possible
• Verify the board mounting, wiring harness connections, and connectors seat fully during installation

Defrost timer that advances the refrigerator's defrost cycle at roughly six-hour intervals to help prevent excessive frost buildup and keep cooling consistent. Replaces a failed timer to restore regular defrost scheduling. What it does:

• Advances the defrost cycle so the heater can melt frost from the evaporator on a timed schedule.
• Helps prevent heavy ice buildup that can reduce airflow and cooling performance.
• Common symptoms of a failing timer: excessive frost or ice accumulation, compressor running constantly, or inconsistent temperatures.
• Works with mechanical defrost systems to alternate between cooling and defrost intervals.

• Disconnect power to the appliance before servicing to avoid electrical shock.
• Handle connectors and wiring carefully; ensure all terminals are fully seated.
• Mounting hardware and connector types can vary by model—retain original fasteners and note wiring positions before removal.

This adaptive defrost control board manages and adjusts refrigerator defrost cycles to help prevent excess frost buildup while keeping temperatures steady. Replaces a failed control board to restore automatic defrost timing and normal cooling performance. What it does

• Monitors evap-coil and compressor run patterns to trigger appropriate defrost cycles.
• Helps reduce excessive frost on the evaporator that can cause poor cooling or compressor overwork.
• Commonly replaced when the refrigerator fails to defrost, shows persistent frost/ice buildup, or runs unusually long cycles.
• Works as the control logic for defrost sequencing and related temperature/regulation signals.

• One adaptive defrost control board

• Disconnect power to the appliance before starting any repair to avoid shock or damage.
• Handle the board by its edges and avoid touching electronics; discharge static first if possible.
• Inspect wiring harnesses and connectors for damage before reconnecting; secure the board with original mounting hardware.
• After installation, restore power and allow the appliance to run through one full cycle to verify normal operation.

This Defrost Timer cycles the unit between cooling and automatic defrost. Replace it if your appliance won't defrost or stays stuck in defrost, causing frost buildup, warm temperatures, or intermittent/no cooling.

• Controls automatic defrost intervals by switching from cooling to defrost and back
• Supplies power to the defrost circuit/heater during the defrost portion of the cycle
• Common failure symptoms: heavy frost on the evaporator/back wall, warm fresh-food section, runs constantly with no defrost, or no cooling if stuck in defrost
• Stop advancing through cycles or advance intermittently

• Disconnect power before servicing; electrical components can hold live voltage
• Location varies by model: typically in the control housing inside the refrigerator or behind a rear/service panel
• Photograph/label wire positions and transfer connectors one at a time to the new timer
• Mount securely, restore power, and verify normal cooling/defrost operation

This mechanical rotary defrost timer controls and advances the refrigerator's defrost cycle so the evaporator periodically melts frost buildup, helping restore normal cooling. It replaces a worn or stuck timer to return automatic defrost operation. What it does

• Advances the fridge's defrost cycle on a set schedule so the evaporator heats and melts frost
• Stops the compressor during defrost so frost is removed without cooling loss
• Common symptom: excessive frost buildup on evaporator or freezer compartment
• Common symptom: refrigerator or freezer runs constantly or does not cool properly

• One defrost timer (rotary)

• Disconnect power to the appliance before starting any repair
• Locate timer (control panel, kick plate, or rear panel depending on model) and note original orientation before removal
• Remove mounting screws and electrical connector(s); install new timer in the same position and reconnect wiring