SERVICE PARTS INFORMATION 1
PSI
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 Strainer is clogged.
(
PARTS INFORMATION 3)
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) 
>> If there is no failure, the defect of Compressor can be 
     considered. (Compression part broken or valve defective.)
Check if Refrigerant is leaking.
(Recharge Refrigerant)
Replace Compressor
Replace Compressor
Check Filter PCB, Main PCB, 
connection of Compressor,and winding 
resistance. (Refer to the next page). 
PSI
02-49
2-4 SERVICE PARTS INFORMATION