Daikin R30NUV1 - Page 327

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