Service Parts Information - Fujitsu R410A 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 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
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.
(SERVICE 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. (Compression part broken or valve defective.)
Replace Compressor
02-34
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)
PSI PSI
Replace Compressor