Specifications

Caution for Diagnosis SiBE12-519
128 Service Diagnosis
1. Caution for Diagnosis
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 D Series FTK(X)S 20/25/35 C Series
In case of
FLK(X)S 25/35 B Series
In case of
FDK(X)S 25/35 C Series
(R4298)
ON/OFF
OPERATION lamp (green)
(R4297)
ON
OFF
Indicator lamps
Operation lamp (green)
OPERATION lamp (green)
(Q0341)
OPERATION lamp (green)
(Q0340)