Trouble shooting 12
OUTDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
Check Point 5 : Check Compressor
OK
OK
Indicate or Display:
Check Point 4 : Check Inverter PCB
OKOK
Check Point 1 : Check connections condition in control unit
IPM Protection
Outdoor unit Inverter PCB
Compressor
1. Connection failure 2. Outdoor fan operation failure
3. Outdoor heat exchanger clogged 4. Inverter PCB failure 5. Compressor failure
Check if the terminal connection is loose.
Check if connector is removed.
Check if connector is erroneous connection.
Check if cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
When over current flows in Inverter PCB, the compressor stops.
After the compressor restarts, if the same error is repeated within
40sec, the compressor stops reappear.
If and repeats 5 times, the compressor stops permanently.
02-14
Refer to error code table.
Compressor check is refer to SERVICE PARTS INFORMATION 2.
>> If it is abnormal, replace compressor.
Check Point 2 : Check Outdoor heat exchanger
Is there any obstructing the air flow route?
Is there any clogging of outdoor unit heat exchanger?
>> If clogged, clear the clog.
Check Point 3 : Check Outdoor fan
OK
Check Outdoor fan motor. (Refer to Trouble shooting 14)
>> If the fan motor is failure, replace it.
Inverter PCB check is refer to SERVICE PARTS INFORMATION 4.
>> If it is abnormal, replace Inverter PCB.
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