U5" Malfunction Of Transmission Between; Ue" Malfunction Of Transmission Between Centralized Remote Controller And Indoor Unit - Daikin VRV III-S RXYMQ36 48PVJU Service Manual

SiUS34-907
UE
3.45 " " Malfunction of Transmission between Centralized
Remote Controller and Indoor Unit
UE
Remote
Controller
Display
Applicable All indoor unit models
Models Centralized remote controller, intelligent Touch Controller, Schedule timer
Method of
Micro-computer checks if transmission between indoor unit and centralized remote controller is
normal.
Malfunction
Detection
Malfunction
When transmission is not carried out normally for a certain amount of time
Decision
Conditions
 Malfunction of transmission between optional controllers for centralized control and indoor unit
Supposed
 Connector for setting master controller is disconnected.
Causes
 Failure of PCB for centralized remote controller
 Defect of indoor unit PCB
Troubleshooting
(or disconnection of connector for independent / combined use changeover switch.)
Troubleshooting by Indication on the Remote Controller
191