Daikin VRV EMERION REYQ-AATJA Service Manual page 413

SiUS372201EB
Reference
CHECK 4 Refer to page 454.
Part 6 Service Diagnosis
A
Refrigerant is
stagnated. (The unit is out YES
of power supply for more
than 6 hours.)
NO
Is the
insulation
NO
resistance of the relevant
compressor 100 k:
or more?
YES
The internal
YES
wiring of the
compressor coil is
defective
NO
CHECK 4
NO
Is the power
transistor normal?
YES
Troubleshooting by Error Code
Solve the refrigerant stagnation.
(Power should be supplied for more
than 6 hours.)
Replace the compressor.
Replace the compressor.
Replace the inverter PCB.
Recheck for the compressor and the
refrigerant system.
406