Temperature Sensor is off or short-circuit. Contact service people
2 E6 Outdoor unit protection Contact service people
3 E8 Electrostatic dust collection Contact service people
4
P4
The temperature of the evaporator of indoor
unit is too low or high (For the protection
feature, the compressor turns off
automatically)
Turn off the unit, clean the air
filter, then restart the unit. If this
operation does not work, please
contact service people.
5
P5
The temperature of condenser of the
outdoor unit is too high (For the protection
feature, the compressor turns off
automatically)
Turn off the unit, check if there is
any obstacle in the air-inlet,
otherwise call the service people.
6 P9 Defrosting protection or warm-air
controlling is off
The unit will auto restart after
finishing the defrosting or the
temperature of the Heat
Exchanger of indoor unit raise.
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