SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
235
3.4
8
Transmission Error between Centralized Control
Equipment and Indoor Unit
Error Code
UE
Applicable
Models
All indoor models
intelligent Touch Controller
intelligent Touch Manager
Central remote controller
Schedule timer
Method of Error
Detection
Micro-computer checks if transmission between indoor unit and centralized control equipment is
normal.
Error Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed
Causes
Transmission error between optional controllers for centralized control and indoor unit
Connector for setting main controller is disconnected.
(or disconnection of connector for independent / combined use changeover switch.)
Defective PCB for centralized control equipment
Defective indoor unit PCB