85
Troubleshooting
Diagnostic procedure for check code
14
Check code Operation cause
[1F] 1. Outdoor unit power source error
Compressor break down 2. Inverter compressor circuit system error
3. Inverter PC board error
Remove cause of overload.
Is the power source voltage of
the outdoor unit normal?
Does the voltage reduction occur
when the fixed-speed compressor
has been activated?
Is the wiring connection on the
inverter PC board correct?
Is there an abnormal overload?
Check inverter PC board.
Confirm the power source supply.
Modify wiring connector.
No
No
No
No
Yes
Yes
Yes
Yes
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