Daikin VRV-WIII RWEYQ72PTJU Service Manual page 215

SiUS30-1301
Troubleshooting
Service Diagnosis
Continued from the
previous page.
(Starting error due to
aged operation.)
Refrigerant is
melting in
refrigerant oil. (The unit
is out of power supply
for more than 6
hours.)
YES
Is the
insulation
resistance of the
compressor 100kΩ
or more?
YES
Broken
wire inside the
compressor
NO
CHECK 4
Check if the power
transistor is
normal.
YES
CHECK 4 Refer to P.244.
Troubleshooting by Indication on the Remote Controller
NO
NO
YES
NO
Cancel the melting state of
refrigerant.
Replace the inverter
compressor.
Replace the inverter compressor.
Replace the compressor inverter
PCB.
Recheck the compressor/
refrigerant circuit.
207