SiENBE12-713 Troubleshooting
Service Diagnosis 259
Troubleshooting
Connect properly.
(R5131)
Connection OK?
NO
YES
Connect properly.
Connection OK?
NO
YES
Replace the reactor.
10Ω or less?
NO
YES
Replace the compressor or
the compressor relay
harness
Check the operation again
and if the error appears
again, replace the outdoor
unit PCB
Between all each terminal
10Ω or less?
NO
YES
Turn off the power
Reactor check
Compressor check
Reactor connection
check
Compressor connection
check
Disconnect the reactor from the outdoor
unit PCB and measure the resistance
value between reactor terminals with
tester.
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.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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