E22
Baxi
Indoor Display Panel Fault
Indoor unit shows E22; the unit may operate but with limited control or an incorrect display.
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Possible Causes
Loose ribbon cable between the display and main PCB, Faulty display PCB, Moisture ingress into the front panel, Incorrect replacement display board
How to Fix / Troubleshooting
Safety: Turn off the power before removing the front fascia.
Steps:
- 1. Reseat connectors: Access the display PCB and carefully unplug and replug the ribbon cable or connector to the main PCB.
- 2. Dry moisture: If condensation or water has entered the panel, dry the area thoroughly and check for corrosion.
- 3. Replace the display PCB: If segments are missing or E22 persists, replace the display PCB with the correct Baxi part number.
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Repair Difficulty
Easy
2/5
Required Part
Indoor Display PCB
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