F12
Indesit
Communication Error Between Main PCB and Display Board
F12 error on display, no response from buttons, temperatures may freeze at last setting.
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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
Loose or damaged communication cable, Oxidized connectors, Faulty display PCB, Faulty main PCB communication driver
How to Fix / Troubleshooting
Safety first: Disconnect mains power before removing trims or boards.
Step-by-step checks:
- 1. Access display board: Remove the front control panel or door trim to expose the display PCB and its ribbon cable.
- 2. Reseat connectors: Gently unplug and replug the ribbon cable at both the display and main PCB ends.
- 3. Inspect cable: Look for kinks, cuts, or broken tracks in the ribbon. Replace if damaged.
- 4. Moisture check: Ensure no condensation or water has entered the display area. Dry thoroughly if present.
When to call a technician: If F12 persists with known-good cabling, either the display PCB or main PCB must be replaced and possibly configured.
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Repair Difficulty
Medium
3/5
Required Part
Display / User Interface PCB
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