30
Technical Information
Service Manual
No display for some models
without mode indicator.
F1 Indoor ambient temperature sensor is open/short-circuited
F2 Indoor evaporator temperature sensor is open/short-circuited
H6 Blocked protection of IDU fan motor
C5 Malfunction protection of jumper cap
U8 Zero-crossing inspection circuit malfunction of the IDU fan motor
F0
Lack of refrigerant or block protection for the system(not applicable to
residential air conditioner)
E8 Overload malfunction
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