F12
Fisher & Paykel
Communication Fault Between Main Control and Drawer
DishDrawer or dishwasher displays F12; both drawers may be inoperative on double models.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed main control board, Faulty drawer control board, Damaged communication harness, Connector corrosion
How to Fix / Troubleshooting
Safety first: Disconnect power before inspection.
- Hard reset: Turn off power for 10 minutes, then restore and test.
- Inspect harness connections: Access the area behind or beneath the drawers and locate the communication harness between the main control and drawer modules. Reseat all connectors.
- Check for moisture: Look for signs of water damage near control boards and harnesses. Dry thoroughly if found.
Persistent F12 faults usually require diagnosis of the main control board and drawer control boards. Replacement of one or more boards may be necessary.
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Repair Difficulty
Professional Required
5/5
Required Part
Drawer Control Board
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