Daikin REYQ-TA Series Service Manual page 254

Troubleshooting by Error Code
∗1. Connect and disconnect the connector once to ensure that it is securely connected.
Note:
241
A
The
microcomputer
normal monitor indication
NO
lamp (green) on the outdoor
unit main PCB (A1P)
is blinking.
YES
The
microcomputer
normal monitor indication
NO
lamp (green) on the outdoor
unit main PCB (A1P)
is blinking.
YES
Is the
connector
between the outdoor
NO
unit main PCB and the sub
PCB securely
connected?
YES
Is the
normal operation
NO
indication LED on the sub
PCB blinking?
YES
YES
The LC error recurs.
NO
The fuse of
NO
the noise filter PCB has
blown out.
YES
SiUS371614E
This is not the LC error.
Recheck the error code.
Replace the inverter PCB.
REYQ72TA: A3P
REYQ96-168TA: A3P, A6P
Replace all of the inverter, fan, and
noise filter PCBs.
Properly connect the connector.
Properly connect the connector X9A
(X10A) on the sub PCB option.
Replace the outdoor unit main PCB
(A1P).
Continue operation.
The error could have resulted from
causes such as instantaneous
power failure.
Service Diagnosis