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02-19
Trouble shooting 17
OUTDOOR UNIT Error Method:
Indicate or Display:
Trip detection
Refer to error code table.
Detective Actuators:
Detective details:
Outdoor unit Main PCB
Compressor
When more than normal operating current to IPM in Main PCB flows,
the compressor stops.
After the compressor restarts, if the same operation is repeated
within 40sec, the compressor stops again.
If and repeats 5 times, the compressor stops permanently.
Forecast of Cause :
Check Point 3 : Check Outdoor fan
OK
OK
Check Point 5 : Replace Main PCB
OK
OK
Check Point 1 : Check connections of Outdoor unit electrical components
1. Defective connection of electric components 2. Outdoor fan operation failure
3. Outdoor heat exchanger clogged 4. Compressor failure 5. Main PCB failure
Check if connector is removed.
Check if
the terminal connection
is loose.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Check Outdoor fan, Heat exchanger
Is there anything obstructing the air distribution circuit?
Is there any clogging of Outdoor Heat Exchanger?
Is the Fan rotating by hand when operation is off ?
>> If the fan motor is locked, replace it.
Check Outdoor fan motor. (Refer to Trouble shooting 19)
>> If the fan motor is failure, replace it.
Check Point 4 : Check Compressor
Check Compressor. (PARTS INFORMATION 2)
If Check Point 1 ~ 4 do not improve the symptom, change Main PCB.
AMP Air Conditioning
www.ampair.co.uk | [email protected]