Troubleshooting
Insufficient cooling
The operation controller
adjusted as required
Air filter too dirty ?
Any obstacle exists at the air
inlet or outlet ?
Door or window left
opened ?
Any other heat
sources in the room?
Sunlight direct into
the room ?
Too crowded in the
room ?
When the air conditioner does not operate properly after you have checked the above-mentioned
items or when following phenomenon is observed, stop the operation of the air conditioner and contact
your dealer.
1. The fuse or breaker often shuts down.
2. Water drops off during cooling or drying operation.
3. There is an irregularity in operation or abnormal sound that is audible.
?
Proper
temp
30
: Optional equipment
Indoor Troubleshooting
LED flash
times of signal
receiver board
Wired
controller
display
E0
E1
E2
E8
FC
10
1
2
8
14
Trouble shooting
Malfunction of drain
system
Faulty temperature Ta
Faulty temperature Tm
Abnormal
communicationbetween
indoor wiredcontroller
and indoor unitPCB
Indoor coil
temperaturetoo high in
cooling mode
CN2 on the PCB board disconnected or PCB
board broken down.
Wrong connection, or the wired controller be
disconnected,faulty PCB.
Refrigerant leakage or indoor coil sensor
falling off or failure on 3 phases outdoor unit.
Possible reasons
Sensor disconnected, or broken, or at wrong
position,or short circuit
Sensor disconnected, or broken, or at wrong
position,or short circuit
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