Ue" Malfunction Of Transmission Between Central Remote Controller And Indoor Unit; Ue" Malfunction Of Transmission Between Central; Remote Controller And Indoor Unit - Daikin VRV II RXYQ5MY1B Service Manual

Troubleshooting by Indication on the Remote Controller

2.50 "UE" Malfunction of Transmission Between Central

Remote 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 remote controller is
Malfunction normal.
Detection
Malfunction When transmission is not carried out normally for a certain amount of time
Decision
Conditions
Supposed
Causes
232
Malfunction of transmission between optional controllers for centralized control and indoor
unit
Connector for setting master controller is disconnected.
Failure of PC board for centralized remote controller
Defect of indoor unit PC board
SiE39-404
Troubleshooting