Specifications
SiBE28-805 Troubleshooting by Indication on the Remote Controller
Troubleshooting 185
Troubleshooting
Power ON
YES
NO
NO
NO
NO
YES
YES
YES
Is the micro controller
normal monitor (green) of
the A1P blinking?
The A4P
does not blink.
The LC malfunction recurs.
The A3P and A4P
do not blink.
This is not LC.
Recheck for the
malfunction code.
A3P: Replace the
inverter PC board.
∗If the PC board
replaced is badly
damaged, the
compressor is likely to
get faulty. To make
sure, recheck the
compressor.
A4P/A8P: Replace the
fan driver
PC board.
Replace the control
PC board.
End of measures:
The malfunction may
temporarily result from
on-site causes.
Causes:
Instantaneous power
failure (open phase),
noises, or else.
A
Check 10 or more seconds after
the power supply is turned ON.