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Whirlpool Refrigerator Freezer is Cold But Refrigerator is Warm


The part(s) or condition(s) listed below for the symptom Refrigerator freezer is cold but refrigerator is warm are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Refrigerator freezer is cold but refrigerator is warm

Cause 1The Evaporator Coils are Frosted Over

The defrost heater assembly turns on a few times throughout the day to melt away any frost that may have accumulated on the evaporator coils. If the defrost heater assembly is defective, frost will continue to accumulate on the evaporator coils, and the coils will become plugged with frost. If the evaporator coils are frosted over, the airflow through the coils will be restricted, causing the refrigerator not to cool. Check the evaporator coils to determine if they are frosted over. If the evaporator coils are frosted over, test each component of the defrost system.

Cause 2Evaporator Fan Motor

The evaporator fan motor draws cold air over the evaporator coils and circulates it throughout the freezer. If the evaporator fan is not working, the freezer or refrigerator will not cool adequately. To determine if the evaporator fan motor is defective, try turning the fan blade by hand. If the fan blade does not turn freely, replace the fan motor. Additionally, if the motor is unusually noisy, replace it. Finally, if the motor does not run at all, use a multimeter to test the motor windings for continuity. If the windings do not have continuity, replace the evaporator fan motor..

Evaporator Fan Motor for your WhirlpoolRefrigerator
Evaporator Fan Motor - Part # 1480832 Mfg Part # WPW10128551

Motor, freezer (evaporator) fan

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Cause 3Damper Control Assembly

The air damper control opens and closes to let the proper amount of cold air into the refrigerator compartment. If the damper does not open properly, it won’t let enough cold air into the refrigerator. Check the damper control to determine if it is broken or stuck closed.

Damper Control Assembly for your WhirlpoolRefrigerator
Damper Control Assembly - Part # 1481880 Mfg Part # WPW10196393

Air damper control

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Install Help
Cause 4Defrost Thermostat

The defrost thermostat monitors the temperature of the evaporator coils. When the coils drop below a set temperature, the thermostat contacts close to allow power to flow to the defrost heater during the defrost cycle. In the defrost cycle, the defrost heater melts any frost that may have accumulated on the evaporator coils. If the defrost thermostat is defective, the thermostat contacts will not close. As a result, the thermostat won’t provide power to the defrost heater. To determine if the defrost thermostat is defective, use a multimeter to test it for continuity. If the defrost thermostat does not have continuity when it reaches the low temperature of its operating range, replace it.

Defrost Thermostat for your WhirlpoolRefrigerator
Defrost Thermostat - Part # 4444226 Mfg Part # WPW10292244

Wire harness *Comes with defrost thermostat

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Cause 5Main Control Board

The main control board might be defective. However, the control board is very rarely the cause of the problem. Before replacing the control board, first test all of the more commonly defective components. If none of these components are defective, consider replacing the main control board.

Main Control Board for your WhirlpoolRefrigerator
Main Control Board - Part # 2684578 Mfg Part # WPW10503278

Refrigerator electronic (JAZZ) control board. Be aware the board will need to programmed after installation to work properly. Use the instruction sheet supplied with the part to prgram it.

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