SiBE18-821_C Troubleshooting with LED
Troubleshooting 331
1.3 Indoor Unit
1.3.1 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 E-Series Wall Mounted Type J-Series
Wall Mounted Type G-Series 20-50 Class Wall Mounted Type F-Series
(R12749)
Operation lamp
(green)
Operation lamp
(multi-colored)
(R12750)
(R12187)
Operation lamp (green)
(R11686)
Operation lamp
(green)
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