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Error codes
When air conditioner status is abnormal, temperature indictor on indoor unit will blink to display corresponding
error code. Please refer to below list for identific-ation of error code.
Error code Troubleshooting
Heating indicator ON
10s OFF 0.5s
Means defrosting status. It’s the normal phenomenon.
C5: Malfunction of con-
nector jumper
Check if the connector jumper contacts properly. If the PCB is to be
replaced, please take off the old for the new PCB.
F1:Malfunction of
indoor ambient
temperature sensor
Check if indoor room temperature sensor is connected properly.
F2:Malfunction of
evaporator temperature
sensor
Check if the evaporator temperature is connected properly.
H6:Indoor fan block Check if the terminal of the indoor motor is connected properly. Re-
place the fan motor or the indoor board if disabled.
E5 Please contact qualified professionals for service.
E8 Please contact qualified professionals for service.
U8 Please contact qualified professionals for service.
Defrosting or oil return
mode
It is normal. The indicating lamp in heat mode will wink 0.5s and light
10s.
Note: If there're other error codes, please contact qualified professionals for service.
When below phenomenon occurs, please turn off air conditioner and discon-nect power immediately, and
then contact the dealer or qualified professionals for service:
◦ Power cord is overheating or damaged.
◦ There’s abnormal sound during operation.
◦ Air switch trips off frequently.
◦ Air conditioner gives off burning smell.
◦ Indoor unit is leaking
• Do not repair or refit the air conditioner by yourself.
• If the air conditioner operates under abnormal conditions, it may cause malf-unction, electric shock or fire
hazard.
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