Troubleshooting by Indication on the Remote Controller3363.69 UE Transmission Errorbetween Centralized RemoteController and Indoor UnitRemote Controller DisplayUEApplicable ModelsAll indoor models intelligent Touch ControllerCentralized remote controllerSchedule timerMethod of Error DetectionMicro-computer checks if transmission between indoorunit and centralized remote controller is normal.Error Decision ConditionsWhen transmission is not carried out normally for acertain amount of timeSupposed Causes Transmission error between optional controllers forcentralized 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 remote controller Defective indoor unit PCB