Daikin VRVII - Page 227

Troubleshooting by Indication on the Remote Controller
222
Refer to P.354.
NO
Refrigerant
is melting in
refrigerant oil. (The
unit is out of power
supply for more
than 6 hours.)
Cancel the
melting state of
refrigerant.
YES
YES
NO
YES
Check if
the insulation
resistance of the
compressor is
100kΩ or
more.
Replace the
inverter
compressor.
NO
Broken
inside the
compressor
Replace the
inverter
compressor.
YES
NO
CHECK 4
Check if the power
transistor is
normal.
Replace the
compressor
inverter PCB.
Recheck the
compressor/
refrigerant circuit.
B
CHECK 4