Malfunction analysis
Error Code
● When air conditioner status is abnormal, temperature indictor on indoor unit will
ation of error code.
Indoor
display
Error code
Above indicator diagram is only
for reference. Please refer to
actual product for the actual
indicator and position.
■ When below phenomenon occurs, please turn off air conditioner and discon-
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.
■ If the air conditioner operates under abnormal conditions, it may cause
Note:
service.
Error code
Troubleshooting
Means defrosting status. It’s the normal phenomenon.
Heating indicator ON 10s OFF 0.5s
Defrosting or oil return mode
It is normal. The indicating lamp in heat mode will
wink 0.5s and light 10s.
E5: overcurrent protection
Power indicator blinks and E5 is displayed
C5:Connector jumper malfunction
Check if the connector jumper contacts the
properly. If replace the PCB, please take off
the old for the new PCB.
F1:Indoor ambient temp. sensor
malfunction
Check if indoor room temp. sensor is connected
properly?
malfunction
F2:Evaporator temp.sensor
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.
H6:PC motor (indoor fan) can’t run
Control panel has been damaged.
U8:Malfunction of zero cross detection
circuit for PG motor (indoor fan)
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WARNING
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