Daikin VRV RXYMQ-A Series Service Manual page 231

SiME332106E
Power OFF
Power OFF
Note(s)
1. RXYMQ4AVMK: outdoor unit main PCB (A1P)
Reference
CHECK 4 Refer to page 275.
Part 6 Service Diagnosis
A
The
insulation
resistance of the
compressor is
100 k: or less.
NO
The internal
wiring of the
compressor coil is
defective.
NO
CHECK 4
Is the power
transistor normal?
YES
Restarting the
system results in the
recurrence of the
error.
YES
Replace the inverter PCB (A3P).
Restarting the
system results in the
recurrence of the
error.
YES
RXYMQ4-6AYFK: inverter PCB (A3P)
Troubleshooting by Error Code
YES
YES
NO
NO
NO
Replace the compressor
(M1C).
Replace the compressor
(M1C).
Replace the relevant
PCB ( 1 ).
Continue operation.
( )
The error could have
resulted from causes
such as instantaneous
power failure.
RXYMQ4-6AYFK Only
Continue operation.
Replace the
compressor (M1C).
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