Alliance Washer Er oP Error Code

Thermistor Error

Er oP

Open Temperature/Thermistor Sensor Error. The drive board will flag an Open Thermistor Error any time it senses a temperature less than 0°C (32°F). The heater output is turned off for the remainder of the cycle. At the end of the cycle, error code will be shown. It clears after one minute or with any key press. Check wiring to heater elements and thermistor for damage.

Alliance Washer Er oP Error Code Error Code Possible Causes

The Thermistor is defective.
The drive board is defective.
Wire harness or connection issue

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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.