Caution for Diagnosis
1. Caution for Diagnosis
1.1
Troubleshooting with the 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
FTK(X)S 20/25/35 Series
Operation Lamp
FTK(X)E 25/35 Series
ATXS 20/25/35 Series (Grille type)
In case of
FTK(X)S 50/60/71 Series
FTK(X)D 50/60/71 Series
ATXS 50 Series (Grille type)
In case of
FVK(X)S 25/35/50 B Series
164
malfunctions, disabling equipment operation.
Indicator lamps
ON
OFF
Air outlet
Indicator lamps
Operation lamp (green)
TIMER lamp (yellow)
HOME LEAVE lamp (red)
ON
O FF
OPERATION lamp (green)
(Q0342)
Operation lamp (green)
ON/OFF switch
(R2837)
In case of
FLK(X)S 25/35/50/60 B Series
FLK(X) 25/35/50/60 A Series
OPERATION lamp (green)
Si12-411A
(R3058)
In case of
CDK(X)S 25/35/50/60 C Series
CDK(X)D 25/35/50/60 C Series
OPERATION lamp (green)
(Q0341)
Service Diagnosis
(Q0340)