Caution for Diagnosis SIE-86
52 Service Diagnosis
1. Caution for Diagnosis
1.1 Troubleshooting with The 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.
Location of
Operation Lamp
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