F3

Outdoor Module Communication Error

Description

The outdoor unit's power module (IPM) is not communicating correctly with the outdoor main control board (PCB).

Appliance Error Codes Details

Error Code
F3
Error Name
Outdoor Module Communication Error
Appliance Type
air_conditioner
Brand
Haier
Severity
high

Additional Troubleshooting

1. Turn off the air conditioner at the power supply for a few minutes and restart
2. Check the wiring connectors between the power module and the outdoor main board
3. Contact a service technician, as the power module or main board may need replacement

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Verified by: Pavel Volkov
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