Specifications

SiBE04-624 Troubleshooting
Service Diagnosis 195
Troubleshooting
Replace outdoor unit PCB.
Replace outdoor unit PCB.
The cause seems to be an
external factor other than
failure of the outdoor unit
PCB.
Monitor in long term.
(R6018)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the fault repeated?
NO
NO
(0.2 sec. interval)
Check flashing interval of LED 5
Is it 0.5 sec.?
(same as LED A)
YES (0.5 sec. interval)
5 V±0.5 V
Check voltage between +5V and
GND
YES
NO
YES
Power on again