Caution for Diagnosis
SiENBE12-713
226
Service Diagnosis
1. Caution for Diagnosis
1.1
Troubleshooting with Operation Lamp
The operation lamp flashes 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 20/25/35/50 D Series
FTK(X)S 20/25/35 C Series
In case of
FTK(X)S 50/60/71 F Series
In case of
FTXG 25/35 E, CTXG 50 E Series
In case of
FDK(X)S 25/35/50/60 C Series
FDK(X)S 25/35 E Series
In case of
FVXS 25/35/50 F Series
(R4298)
ON/OFF
OPERATION lamp (green)
(R4297)
ON
OFF
Indicator lamps
Operation lamp (green)
(R6332)
OPERATION lamp (green)
Operation lamp (green)
INTELLIGENT EYE lamp (green)
TIMER lamp (yellow)
ON/OFF switch
Indicator lamps
(R5072)
OPERATION lamp (green)
(Q0340)
(R6843)
OPERATION lamp (green)
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...