Daikin RXYQ-TA Series Service Manual page 261

SiUS341615E
∗Trigger point
Note:
Service Diagnosis
Power OFF Are
wiring and wire
connections to the relevant
compressor
normal?
The
insulation
resistance of the
relevant compressor is
1 MΩ or less to
ground.
The coil
of the relevant
compressor has caused
wiring disconnection
in it.
CHECK 4
Is the power
transistor normal?
Restarting the
system results in the
recurrence of the
error.
Replace the inverter PCB
Power OFF
( 2).
Restarting the
system results in the
recurrence of the
error.
RXYQ72TA
Model
TAYDU
TATJU
CHECK 4 Refer to page 295.
A
NO
YES
YES
NO
YES
NO
NO
YES
NO
YES
NO
YES
RXYQ96/120TA
M1C M1C
13.0 A 13.0 A
33.5 A 45.0 A
Troubleshooting by Error Code
Rectify the wiring and
wire connections.
Replace the
compressor. ( 1)
1
RXYQ72-120TA: M1C
RXYQ144/168TA: M1C, M2C
Replace the
compressor. ( 1)
Replace the inverter
PCB. ( 2)
2
RXYQ72-120TA: A3P
RXYQ144/168TA: A3P, A6P
Continue operation.
(
The error could have
resulted from causes
such as instantaneous
power failure.
Continue operation.
Replace the
compressor. ( 1)
RXYQ144/168TA
M1C M2C
13.0 A 13.0 A
33.5 A 33.5 A
)
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