Daikin F-Series Service Manual page 125

Troubleshooting
Troubleshooting
114
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn off the power
Reactor connection check
Connection OK?
YES
Compressor connection check
Connection OK?
YES
Reactor check
10Ω or less?
YES
Compressor check
Between all
each terminal 10Ω or
less?
YES
NO
NO
Disconnect the reactor from the outdoor
unit PCB and measure the resistance
value between reactor terminals with
tester.
NO
Disconnect the compressor relay harness
from the outdoor unit PCB and measure
the resistance value between the terminals
of the each 3 compressor with tester.
NO
Si04-703A
Connect properly.
Connect properly.
Replace the reactor.
Replace the compressor or
the compressor relay
harness
Check the operation again
and if the error appears
again, replace the outdoor
unit PCB
(R7174)
Service Diagnosis