004 Relay Not Working, Welding Machine from Scrap Yard Repair
This is the second inverter welding machine board I got from the scrap yard. I rebuild the board and later found out that the relay is not working. Turned out there is some fault in the relay driver circuit.

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003 Faulty Auxiliary Power Supply, Welding Machine from Scrap Yard Repair

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INVERTER arc welding equipment circuit explained

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||How to Repair AC Inverter Welding Machine.

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005 Testing the SG3525 PWM Controller, Inverter Welding Machine Repair

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001 No Power. Faulty PTC. Welding Machine Repair

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NO SPARK, NO OUTPUT, AND BLINKING DISPLAY IGBT INVERTER WELDING MACHINE FIXED

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No output. Repair of a welding machine

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{515} Inverter Welding Machine Repair Course / How To Repair Inverter IGBT Welding Machine

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{471} ARC-200 Inverter welding machine circuit diagram explained

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002 Irregular Output Voltage Waveform. Welding Machine Repair

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Simpleng pag-Install ng 4 wire Module / Mailtank Welding Machine No Power

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Inverter welding machine electronic circuit: complete explanation

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Makita wilding machine walang power, convert 4wires module

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Wilding machine na walang power bubuhayin natin basic lang to PREDATOR GREEN 💚

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Repair No Power Mini 300A IGBT Inverter Welding Machine.

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#299 Single Board Inverter IGBT Welder Machine - Function & Troubleshooting

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