Daikin REYQ96 - Malfunction of Transmission between Centralized Controller and Indoor Unit; Indoor Unit

SiUS39-602 Troubleshooting by Indication on the Remote Controller
Troubleshooting 189
2.53
“
UE
”
Malfunction of Transmission between Centralized
Controller and Indoor Unit
Remote
Controller
Display
UE
Applicable
Models
All models of indoor units
Centralized controller
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor unit and centralized controller is normal.
Malfunction
Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed
Causes

Malfunction of transmission between optional controllers for centralized control and indoor
unit

Connector for setting master controller is disconnected

Failure of PC board for central remote controller

Defect of indoor unit PC board