Hotpoint dishwasher F04 error code
F04 means thermostat fault. The wash thermostat circuit has failed, so wash temperature cannot be regulated.
Often fixable at home · Fault type: Electrical/hardware
Safe checks, in order of likelihood
- Reset: unplug 1 minute and retry.
Call a professional when…
If the code returns after these checks, book a qualified engineer.
Parts usually involved
- Thermostat
- NTC sensor