Daikin R71FUV1 Service Manual page 327

Si20-701_B
Power
ON
320
B
Is the
micro controller
normal monitor (green)
of the PCB
blinking?
YES
The
fan driver
PCB do not blink.
NO
The fan
driver PCB does
not blink.
NO
The error is
displayed again.
NO
Troubleshooting by Remote Controller
NO
Check 10 or more
seconds after the
power supply is
turned ON.
YES
YES
YES
This is not LC.
Recheck for the
error code.
Replace the
inverter PCB.
∗ If the PCB
replaced is
badly
damaged, the
compressor is
likely to get
defective. To
make sure,
recheck the
compressor.
Replace the fan
driver PCB.
Replace the
control PCB.
End of
measures:
The error may
temporarily
result from
onsite causes.
Causes:
Instantaneous
power failure
(open phase),
noises, or else.