Daikin RXYQ-TA Series Service Manual page 259

SiUS341615E
∗1.
Note:
Service Diagnosis
Power OFF
wiring and wire
connections to the relevant
compressor
normal?
The
insulation
resistance of the relevant
compressor is 100 kΩ
or less.
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
Are
NO
YES
YES
NO
YES
NO
NO
YES
NO
YES
NO
YES
RXYQ96/120TA
M1C M1C
32.4 A 53.7 A
63.2 A 85.6 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
63.2 A 63.2 A
63.2 A 63.2 A
)
246