Troubleshooting with LED SiUS091601EA
109 Part 6 Service Diagnosis
2. Troubleshooting with LED
2.1 Indoor Unit
Operation Lamp The operation lamp blinks when any of the following errors is detected.
A protection device of the indoor or outdoor unit is activated, or when the thermistor
malfunctions.
A signal transmission error occurs between the indoor and outdoor units.
In either case, conduct the diagnostic procedure described in the following pages.
FTX Series
FVXS Series
R4003515
FDMQ series with BRC1E73
R4003516
R6000666
R6000667
ON/OFF
Operation lamp
(green)
Operation lamp (green)
Operation lamp (green)
#The error or warning message also blinks on the basic screen.
#