Daikin RZQ100B8V3B Service Manual page 242

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
5
Caution
3–94
Check LED on
outdoor unit PC board. (Is the
voltage insufficient?)
YES
Is
the power
supply voltage between
220~240 VAC
±10%?
YES
Is the wiring correct?
When the compressor is running,
measure the voltage between
+ and - of electrolytic capacitor
(C+, C-).
Is the
measured voltage 220
VDC or more?
NO
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
NO
NO
NO
YES
ESIE05-03
Other factors
Field factors
Correct the wiring.
Monitor the voltage
(Instantaneous voltage drop)
Replace the inverter PC board.
Part 3 – Troubleshooting