Hotpoint dishwasher F12 error code
F12 means main board and display communication error. The main board and the display board have lost communication.
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
- Main control board
- Display board