Troubleshooting by Remote Controller
SiBE281013
162
Service Diagnosis
Troubleshooting
Are
there any
breaking and wrong
wiring of the connecting wires
to the centralized
controller?
Correctly connect the wiring.
NO
YES
Are
there any
breaking and wrong wiring
of the connecting
wires?
Make the wiring correct.
NO
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
YES
Is
the once-
connected indoor unit
equipment disconnected or the
address changed?
Reset the all remote controllers
power supply at the same time.
YES
Is the
centralized
controller setting connector
for the centralized controller
unit disconnected?
Correctly connect the connector.
Make correct setting of the
centralized control group No.
NO
NO
Does transmission error
occur to all indoor units?
Is the group No. for the
defective indoor unit?
YES
YES
NO
NO
Replace the indoor unit PCB.
Replace the remote controller
PCB.
YES