UPS Repairing Tips and Faults
1. More and Less output in AC Mode
2. DC mode circuit related faults
3. UPS works in AC mode, But does not works in DC mode
4. Mosfet Biasing Voltage
5. More as Less volt in DC mode circuit
6. Charging Volt is not available
7. Charging volt is ok, but battery not charge
8. Battery (charging) swelling, Meting and Over Heating Problem
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