Ue" Malfunction Of Transmission Between Centralized Controller And Indoor Unit - Daikin VRV - WII Service Manual

Troubleshooting by Indication on the Remote Controller
2.48 "UE"
Malfunction of Transmission between Centralized
Controller and Indoor Unit
UE
Remote
Controller
Display
Applicable All models of indoor units
Centralized controller
Models
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
224
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
SiUS30-604
Troubleshooting