Caution For Diagnosis; Troubleshooting With Operation Lamp - Daikin FTKS20D3VMW Service Manual

Caution for 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
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
In case of
Operation Lamp FTK(X)S 20/25/35/50 D Series
In case of
FTK(X)S 50/60/71 F Series
In case of
FDK(X)S 25/35/50/60 C Series
FDK(X)S 25/35 E Series
226
malfunctions, disabling equipment operation.
OPERATION lamp (green)
ON/OFF
(R4298)
OPERATION lamp (green)
OPERATION lamp (green)
(Q0340)
In case of
FTK(X)S 20/25/35 C Series
Indicator lamps
ON
OFF
Operation lamp (green)
In case of
FTXG 25/35 E, CTXG 50 E Series
Operation lamp (green)
TIMER lamp (yellow)
INTELLIGENT EYE lamp (green)
(R6332)
In case of
FVXS 25/35/50 F Series
OPERATION lamp (green)
SiENBE12-713
(R4297)
Indicator lamps
ON/OFF switch
(R5072)
(R6843)
Service Diagnosis