Service Parts Information; Compressor - Fujitsu ACUH09LUAS1 Service Manual

Hide thumbs Also See for ACUH09LUAS1:
Table of Contents

4. Service parts information

4-1. Compressor

Diagnosis method of compressor (If outdoor unit LED displays error, refer to troubleshooting)
Does not start up
Is there open or loose con-
nection 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 con-
sidered (Locked compressor
due to clogged dirt or less oil)
Replace compressor.
End
4-1. Compressor
Stops soon after starting up
Is there open or loose con-
nection cable?
Is gas pipe valve open?
(Low pressure is too low)
Check if refrigerant is
leaking.
Check if strainer is clogged.
(Refer to outdoor EEV in this
chapter.)
Check main PCB, connection of compressor and winding resis-
tance. (Refer to the next page)
If there is no failure, the defect of compressor can be consid-
ered. (Compression part broken or valve defective.)
Replace compressor.
End
- (03-44) -
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.
End
4. Service parts information
Table of Contents
loading

Table of Contents