Daikin G-Series Service Manual page 205

SiBE12-933_A
Troubleshooting
Check No.08
Refer to P.217
Check No.13
Refer to P.218
Check No.14
Refer to P.219
Service Diagnosis
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check the power supply
Check No. 08
Check the discharge pressure.
Judgment
Normal
Check No. 13
Check for short-circuit.
Normal?
YES
Check the electrolytic capacitor
voltage.
DC270±30V?
YES
Electricals or
compressor
harnesses connected
as specified?
Turn off the power. Disconnect the
harnesses U, V and W.
Check No. 14
Check with the inverter checker ( ∗ ).
Any LED off?
NO
Abnormal
NO
NO
NO
∗ Inverter checker
Part No.: 1225477
YES
Troubleshooting
Replace the stop valve.
Replace the outdoor unit
PCB, outdoor unit fan.
Replace the four way valve
coil.
Replace the outdoor unit
PCB.
Reconnect as specified.
Correct the power supply or
replace the outdoor unit
PCB.
Replace the compressor.
(R7144)
195