Daikin E-Series Service Manual page 349

Troubleshooting for Outdoor Unit
Troubleshooting
Check No.03
Refer to P.354
When the compressor is running,
measure the voltage between
+ and - of electrolytic capacitor
(C+, C-).
338
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
NO
power supply voltage
200~240V ±10%?
YES
Is the
NO
P-N resistance not less than
several hundred of
ohms?
YES
Check No.03
NO
Is the resistance
above standard
value?
YES
YES
Is the measured voltage
220 VDC or more?
NO
SiENBE18-621
Correct power supply
Field factors
Replace the fan motor
Monitor the voltage
(Instantaneous voltage drop)
Replace the inverter PC board
(A1P).
(S2605)
Troubleshooting