Inverex UPS | 1KVA, 700 Watts | Battery Charging Problem [V#85].

In this video, we have repaired the charging stage of Inverex 1Kva XP1200 APT model by replacing the bridge diode, Mosfet K3878/K2611 and charging IC UC3843 and two source resistances 0.3Ohms.
This UPS was completely dead and no display occurred on LCD, because the operating voltages of +12VDc was short at IC.
The problem arise in it due to water going inside. Watch complete video to get experience of repair.
By : - Aman Engineering Academy & Aman Engineering Enterprises.