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Troubleshooting for Outdoor Unit
SiEN18-622
400
Troubleshooting
7.35 Malfunction of Transmission between Central Remote
Control and Indoor Unit
Remote Control
Display
UE
Applicable
Models
AII indoor unit models
Centralized controller
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor unit and centralized remote control 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 PCB for centralized remote control
Defect of indoor unit PCB
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...