LG Multi-Inverter Service Manual page 110

Check Point
1. Check the power source.(200~240V)
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 pin 1.2 of the CT Sensor : 5V )
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Tester
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4. Trouble Shooting
CT Sensor Output
(at the INVERTER PCB)
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