Daikin FTKB09AXVJU Service Manual page 56

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