Daikin REYQ-TA Series Service Manual page 247

SiUS371614E
Service Diagnosis
Power OFF
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. ( 2)
Power OFF
Restarting the
system results in the
recurrence of the
error.
CHECK 4 Refer to page 278.
A
YES
NO
YES
NO
NO
YES
NO
YES
NO
YES
Troubleshooting by Error Code
Replace the
compressor. ( 1)
1
REYQ72TA: M1C
REYQ96-168TA: M1C,
M2C
Replace the
compressor. ( 1)
Replace the inverter
PCB. ( 2)
2
REYQ72TA: A3P
REYQ96-168TA: A3P,
A6P
Continue operation.
(
The error could have
resulted from causes
such as instantaneous
power failure.
Continue operation.
Replace the
compressor. ( 1)
)
234