Troubleshooting 16
OUTDOOR UNIT Error Method:
Detective actuators:
Detective details:
Forecast of cause :
Check Point 2 : Check connection of around the Compressor components
OK
OK
OK
OK
Check Point 3: Replace main PCB
Outdoor unit Main PCB
Compressor
Compressor motor control error
1. Defective connection of electric components
2. Main PCB failure
3. Compressor failure
If Check Point 1,2 do not improve the symptom, change main PCB.
Check if connector is removed.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
(Refer to PARTS INFORMATION 2)
For Compressor Terminal, Main PCB
If it does not succeed even if the compressor is started 50 times,
it will become 3 minutes ST.
If it does not succeed even after repeating this 3 sets, the compressor
will stop permanently.
If the three phase current is less than the single phase current,
the compressor will stop permanently.
02-20
Check Point 1 : Check Noise from Compressor
Turn on Power and check operation noise.
If an abnormal noise show, replace Compressor.
OK
OK
Check Point 4: Replace compressor
If Check Point 3 do not improve the symptom, change compressor.
