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SiEN18-622
Caution for Diagnosis
Troubleshooting
303
1. Caution for Diagnosis
1.1
Troubleshooting with the Operation Lamp (RA Indoor Unit)
The operation lamp blinks when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated or when the thermistor
malfunctions, disabling equipment operation.
2. When a signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
Location of
Operation Lamp
In case of
In case of
FTK(X)S 20/25/35 D Series
FTK(X)S 50/60/71 F Series
FTK(X)S 25/35 E Series
In case of
FTK(X)S 50/60/71 B Series
FTXS 50/60/71 D Series
In case of
FDK(X)S 25/35/50/60 Series
CDK(X)S 25/35/50/60 Series
In case of
FVXS 25/35/50 B Series
In case of
FLXS 25/35/50/60 B Series
(R4298)
ON/OFF
OPERATION lamp (green)
Operation lamp (green)
(R6169)
Operation lamp (green)
HOME LEAVE lamp (red)
TIMER lamp (yellow)
ON/OFF switch
Air outlet
Indicator lamps
(R2837)
OPERATION lamp (green)
(Q0340)
O N
O F F
OPERATION lamp (green)
(Q0342)
OPERATION lamp (green)
(Q0341)
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 ...