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Malfunction analysis
Error Code
● 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
Error code
Heating indicator ON 10s OFF 0.5s
E5: overcurrent protection
C5:Connector jumper malfunction
F1:Indoor ambient temp. sensor
malfunction
F2:Evaporator temp.sensor malfunction
H6:PC motor (indoor fan) can't run
U8:Malfunction of zero cross detection
circuit for PG motor (indoor fan)
Note:
If there're other error codes, please contact qualified professionals for service.
WARNING
■ When below phenomenon occurs, please turn off air conditioner and
disconnect power immediately, and then contact the dealer or qualified
professionals for service.
●Power cord is overheating or damaged.
●There's abnormal sound during operation.
●Circuit break 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
malfunction, electric shock or fire hazard.
Above indicator diagram is only for
Indoor
reference. Please refer to actual
display
product for the actual indicator and
position.
Troubleshooting
Means defrosting status. It's the normal phenomenon.
Power indicator blinks and E5 is displayed
Check if the connector jumper contacts the properly. If
replace the PCB, please take off the old for the new PCB.
Check if indoor room temp. sensor is connected properly?
Check if indoor tube temp. sensor is connected properly?
• Feedback terminal of PG motor hasn't been connected
firmly.
• The control end of PG motor hasn't been connected
firmly.
• Fan blade hasn't been installed correctly and it can't run
smoothly.
• Motor hasn't been installed correctly and tightly.
• Motor has been damaged.
• Control panel has been damaged.
Control panel has been damaged.
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