Whirlpool Dishwasher F4E3: Heating Fault and Safe Steps

Whirlpool dishwasher code F4E3 is associated with a heating fault on applicable models. It is not a drain code. Exact meaning and diagnostic steps vary by model; consult the manual for the full model number.

Safe Steps

Record the code and stop the cycle. Follow only a reset or owner check given in the exact model’s manual. Do not remove panels, reach the heater, test wiring, or run electrical measurements.

If F4E3 returns or the dishwasher does not heat as expected, arrange qualified service. Provide the model number and code; internal heater and control diagnosis requires the correct service procedure.