Troubleshooting by Lamps Si01-406
82 Service Diagnosis
1. Troubleshooting by Lamps
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.
FT25/35CV1A, FTY25/35CVMA
FT50/60CV1A
LED Indication The outdoor unit has one green LED (LEDA) on the PCB. The flashing green LED indicates
normal condition of microcomputer operation.
ON
OFF
Indicator lamps
Operation lamp (green)
TIMER lamp (yellow)
ON/OFF button
(R4112)
Operation lamp (green)
TIMER lamp (yellow)
ON/OFF switch
Air outlet
Indicator lamps
(R3096)
To Next Page
Loading...
