Specifications

Troubleshooting by Remote Controller SiBE341027
154 Service Diagnosis
Troubleshooting
Refer to P.182
Continue the operation.
The error may temporarily
result from external factors.
Causes: Instantaneous
power failure (open phase),
noises, or else.
YES
YES
YES
NO
NO
NO
Stop (standby) when
the compressor
startup.
The "
U2"
error recurs.
Stop (standby) before
the fan rotates.
Turn ON the power supply,
and start operation.
A
Replace the noise filter PCB
(A3P).
(Defect of noise filter)
Replace the inverter PCB (A4P).
If the inverter PCB is badly
damaged, recheck the
compressor.
Check the harness.
CHECK 4