Ue Malfunction Of Transmission Between Centralized Controller And Indoor Unit - Daikin RXYQ96PYDN Service Manual

Troubleshooting by Indication on the Remote Controller
UE
3.55 Malfunction of Transmission between Centralized
Controller and Indoor Unit
UE
Remote
Controller
Display
Applicable
All models of indoor units
Centralized controller
Models
Schedule timer
Method of
Microcomputer checks if transmission between indoor unit and centralized controller is normal.
Malfunction
Detection
Malfunction
When transmission is not carried out normally for a certain amount of time
Decision
Conditions
Supposed
Causes
440
Malfunction of transmission between optional controllers for centralized control and indoor unit
Connector for setting master controller is disconnected.
(or disconnection of connector for independent / combined use changeover switch.)
Failure of PC board for central remote controller
Defect of indoor unit PC board
Intelligent Touch Controller
SiUS34-801A_b
Troubleshooting