Daikin Aurora Series Service Manual page 253

SiUS341802E
Service Diagnosis
Power OFF
CHECK 4
Is the power
transistor normal?
Restarting the
system results in the
recurrence of the
error.
Power OFF Replace the inverter PCB.
Restarting the
system results in the
recurrence of the
error.
CHECK 4 Refer to page 286.
A
NO
YES
NO
YES
NO
YES
Troubleshooting by Error Code
Replace the inverter
PCB.
RXLQ-TATJU,
RXLQ-TAYDU: A3P
RXLQ-TAYCU,
RXYQ-TAYCU: A4P
Continue operation.
(
The error could have
resulted from causes
such as instantaneous
power failure.
Continue operation.
Replace the
compressor.
)
240