LG Multi-Inverter Type - Page 63

5. Trouble Shooting
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Check Point
1. Check the power source.(220V ±15%)
2. Check the fan operation is right.
3. Check the current.
4. Check the install condition.
5. Check the CT Sensor Output signal
- Check output the CT Sensor : DC 2.5±0.2V
Vdc
< Input Power Source Check Point >
< Main PCB>
<CT Sensing Check Point>