Service Parts Information - Fujitsu AB A30LBT Series 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
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 Filter PCB, 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
02-33
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
MPa MPa
or broken component)
Replace Compressor