F9Serious
Fisher & Paykel Oven/Range F9 Error Code
The main control board lost communication with a secondary board (display or relay board).
Common causes
- Loose wiring harness
- Failed control board
- Power surge
How to fix it
- Turn off power for 10 minutes.
- Check all ribbon cables and connectors are secure.
- Inspect for burn marks on boards.
⚠ When to call a pro: If error persists, control board replacement is required by a technician.
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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.