Daikin FTKE25BVM, Service Manual

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Caution for Diagnosis Si12-411A
164 Service 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
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
FTK(X)S 20/25/35 Series
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
CDK(X)S 25/35/50/60 C Series
CDK(X)D 25/35/50/60 C Series
In case of
FVK(X)S 25/35/50 B Series In case of
FLK(X)S 25/35/50/60 B Series
FLK(X) 25/35/50/60 A Series
(R3058)
ON
OFF
Indicator lamps
Operation lamp (green)
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)