Daikin VRV III REYQ8PY1 Service Manual page 305

R-410a heat recovery 50hz
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Troubleshooting by Indication on the Remote Controller
Troubleshooting
294
Continued from the previous page.
(Start failure due to aged operation.)
Refrigerant
is sleeping. ( The unit is out
of power supply for more
than 6 hours.)
YES
Check if the
insulation resistance of the
compressor is 100kΩ
or over.
YES
Broken inside
the compressor
NO
Check 4
Check if the power
transistor is
normal.
YES
Check 4
: Referring to the information on P349.
NO
NO
YES
NO
Si37-701
Cancel the sleeping state of
refrigerant.
Replace the inverter compressor.
Replace the inverter compressor.
Replace the compressor inverter
PC board.
Recheck the compressor/
refrigerant circuit.
Troubleshooting

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