Haier air conditioner | Edition: 20070116 |
F22: AC electricity protection
Electrify the machine again and turn it on with the remote controller. If malfunctions are reported before or upon the compressor being started up.
No
The compressor is started normally, but malfunctions are reported after it has run for some time. Check the power supply. If the voltage is too low or too high
No
If the power supply is in OK, judged through the pressure of the measuring system
Yes
The IPM is damaged
Yes Repair the power supply
The system may have been Yes over or under charged with
gas .
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