This video covered the below points.

1.How to check the PCB after service

2.How to check the voltage in full board

3. E1 E3 E4 E6 E7 E9 error reasons

3.Micro controller IC work

4.Low and high voltage sensing reason

5.Coil input and out voltage sensing reason

6.cooling fan Buzzer working

7.Heat sensor and IGBT NTC sensing reason

8.etc


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