Daikin Altherma EKHBH Series Service Manual page 112

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
5
Caution
3–26
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
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
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 each 3 compressor with tester.
NO
ESIE06-03
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.
Part 3 – Troubleshooting