48
H0 (Class 18/24)
Description
COMPRESSOR SENSOR SYSTEM ABNORMAL
Possible Root
cause
1. Broken and disconnected harness.
2. Outdoor unit PCB defective.
3. Defective compressor.
Troubleshooting
# Disconnect the reactor wire and measure
resistance between terminal.
Any abnormal?
Yes
No
Check reactor connection.
Check reactor resistance.
Check compressor resistance.
Change outdoor PCB.
Yes
No
Change reactor.
Yes
No
Change Compressor.
Connect back reactor.
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