F12Serious
Fisher & Paykel Dishwasher F12 Error Code
General electronic failure on the main control board; often due to component failure.
Common causes
- Failed control board relay or triac
- Moisture damage to electronics
- Power supply fluctuation
How to fix it
- Power cycle dishwasher
- Inspect control board for signs of burning or moisture
⚠ When to call a pro: Always; control board repair or replacement requires technician due to electrical complexity
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.