Daikin RXQ12AHR Service Manual page 252

Troubleshooting by Error Code
Power OFF
Power OFF
Reference
CHECK 4 Refer to page 290.
246
A
The
insulation
resistance of the relevant
compressor is 100 kΩ
or less.
NO
The coil
of the relevant
compressor has caused
wiring disconnection
in it.
NO
CHECK 4
Is the power
transistor normal?
YES
Restarting the
system results in the
recurrence of the
error.
YES
Replace the inverter PCB
(#2).
Restarting
the system results in
the recurrence of the
error.
YES
YES
YES
NO
NO
NO
SiAF341904E
Replace the
compressor.( 1)
1
RXQ6-14A: M1C
RXQ16-20A: M1C, M2C
Replace the
compressor.( 1)
Replace the inverter
PCB. ( 2)
2
RXQ6-14A: A3P
RXQ16-20A: A3P, A6P
Continue operation.
( )
The error could have
resulted from causes
such as instantaneous
power failure.
Continue operation.
Replace the
compressor.( 1)
Part 6 Service Diagnosis