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SiUS121827E
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
197
Reference
Reference
Reference
Reference
R6000552
Check No.01
Check No.12
Check No.17
Check No.19
NG
YES
NO
Change for a specified amount of
fresh refrigerant.
NO
Check No. 12
Electronic expansion valve
functioning?
Replace the electronic
expansion valve.
YES
Replace the defective
thermistor(s).
Completed.
Refrigerant
shortage error again?
Check No. 01
Check the thermistors.
OK
NO
YES
Replace the outdoor unit PCB
(main PCB).
Replace the compressor.
Completed.
Error again?
Continued from the
previous page
A