Caution for Diagnosis SiBE01-503
52 Service Diagnosis
1. Caution for Diagnosis
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.
Location of
Operation Lamp
ON
OFF
Indicator lamps
Operation lamp (green)
TIMER lamp (yellow)
ON/OFF button
(R4112)
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