Troubleshooting By Indication On; The Centralized Remote Controller; Ue" Malfunction Of Transmission Between Centralized Remote Controller And Indoor Unit - Daikin FCQ18PVJU Service Manual

Troubleshooting by Indication on the Centralized Remote Controller
4. Troubleshooting by Indication on the Centralized
Remote Controller
UE
4.1 " " Malfunction of Transmission between Centralized
Remote Controller and Indoor Unit
UE
Remote Controller
Display
Applicable
AII indoor unit models
Models Centralized Remote Controller
Method of
Microcomputer 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 P.C.B. for centralized remote controller
 Defect of indoor unit P.C.B.
143
SiUS28-902_a
Troubleshooting