Service Parts Information - Fujitsu AUG12LVLB Service Instruction

2-4 SERVICE PARTS INFORMATION

SERVICE PARTS INFORMATION 1
Compressor
Diagnosis method of Compressor ( If outdoor Unit LED displays Error, refer to Trouble shooting )
Does not start up
Is there open or loose connection
cable?
Check Filter PCB, Main PCB,
connection of Compressor,and winding
resistance. (Refer to the next page).
>> If there is no failure, the defect of
Compressor is considered (Locked
compressor due to clogged dirt or
less oil)
Replace Compressor
AMP Air Conditioning
Stops soon after starting up
Is there open or loose connection
cable?
Is gas pipe valve open?
(Low pressure is too low)
Check if refrigerant is leaking.
(Recharge refrigerant)
Check if strainer is clogged.
(PARTS INFORMATION 3)
Check Main PCB, connection of Compressor,
and winding resistance. (Refer to the next page).
>> If there is no failure, the defect of Compressor can be
considered. (Compressor part broken or valve defective.)
Replace Compressor
02-30
Abnormal noise
Check if vibration noise by
loose bolt or contact noise
of piping is happening.
Defective Compressor
can be considered.
(due to inside dirt clogging
or broken component)
MPa MPa
Replace Compressor
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