Troubleshooting by Remote Controller
SiBE341027
166
Service Diagnosis
2.36 Transmission Error (between Main and Sub Remote
Controllers)
Remote
Controller
Display
U8
Applicable
Models
All indoor unit models
Method of Error
Detection
In case of controlling with 2-remote controller, check the system using micro-computer if signal
transmission between indoor unit and remote controller (main and sub) is normal.
Error Decision
Conditions
Normal transmission does not continue for a certain amount of time.
Supposed
Causes
Transmission error between main and sub remote controller
Connection among sub remote controllers
Defective remote controller PCB
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Both SS1 of remote
controllers is set to
"SUB."
Set SS1 to "MAIN".
Turn OFF the power supply
once, and restart operation.
Set SS1 of one remote
controller to "MAIN".
Turn OFF the power supply
once, and restart operation.
Turn OFF the power once
and restart. If a error
operation occurs, replace
the remote controller PCB.
YES
YES
YES
NO
NO
NO
Controlling with 2-remote
controller.
SS1 of remote
controller PCB is set
to "MAIN."
