Fujitsu AO*24LMAKL, Service Instruction

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SERVICE PARTS INFORMATION 1
MPa MPa
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).
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
Replace Compressor
Replace Compressor
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 4)
>> If there is no failure, the defect of Compressor can be
considered. (Compression part broken or valve defective.)
Abnormal noise
Defective Compressor
can be considered.
(due to inside dirt clogging
or broken component)
Check if vibration noise by
loose bolt or contact noise
of piping is happening.
07-29
7-4 SERVICE PARTS INFORMATION