Daikin Altherma EKHBH Series Service Manual page 114

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
5
Caution
3–28
Check No. 13
Check for short-circuit.
Normal
YES
Check the electrolytic capacitor
voltage.
DC320±30V?
YES
Electricals
or compressor harnesses
connected as
specified?
Turn off the power. Disconnect the
harnesses U, V and W.
Check with the inverter checker (∗).
Any LED off?
NO
See also: "Check No.13" on page 3-61
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
NO
NO
NO
YES
ESIE06-03
Replace the outdoor unit PCB,
outdoor unit fan.
Replace the outdoor unit PCB.
Reconnect as specified.
∗ Inverter checker
Part No.: 1225477
Correct the power supply or
replace the outdoor unit PCB.
Replace the compressor.
Part 3 – Troubleshooting