What to do if Cole Parmer StableTemp Cooktop shows E12 error?
- RRobin RamirezAug 14, 2025
If your Cole Parmer Cooktop displays error code E12, it indicates a problem with the motor. This could be due to a locked rotor, a failure in the motor itself, a failure in the motor optocoupler/triac circuit, or a failure in the motor optical encoder/encoder wheel. Try freeing the locked rotor. If that doesn't work, you may need to replace the motor, the control board, or the motor optical encoder.