Thermistor Error
E4
The refrigerator evaporator thermistor (temperature sensor) signal is invalid.
Whirlpool Refrigerator E4 Error Code Error Code Possible Causes
- The thermistor (temperature sensor) is defective.
- The main PCB is defective.
- Wiring issue between the thermistor (temperature sensor) and the main PCB.
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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.