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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)
Summary of Contents for FT25CV1A
Page 7: ...Si01 406 vi Table of Contents...
Page 15: ...Functions Si01 406 4 List of Function...
Page 21: ...Specifications Si01 406 10 Specifications...
Page 205: ...Wiring Diagrams Si01 406 194 Appendix...
Page 209: ...Si01 406 iv Index...