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Troubleshooting with LED
SiBE121021_C
286
Service Diagnosis
1. Troubleshooting with LED
1.1
Indoor Unit
Operation Lamp
The operation lamp blinks 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.
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.
Wall Mounted Type:
FTXG and CTXG Series
Wall Mounted Type:
FTXS and ATXS Series 20-50 Class
(The design of the front panel varies
depending on the model.)
Wall Mounted Type:
FTXS Series 60/71 Class
Floor Standing Type
Floor / Ceiling Suspended Dual Type
Duct Connected Type
Operation lamp
(multi-colored)
(R12750)
(R12187)
Operation lamp (green)
Operation lamp (green)
(R11689)
(R11687)
Operation lamp (green)
Operation lamp (green)
(R11688)
Operation lamp (green)
(Q0340)