joshua
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I know you are a pro when it comes to axpert inverter repair I have a 5kva axpert inverter that when you power the system with battery and turn it on it starts and supplies under voltage and goes of immediately and come back on it does this continually without going off until you disconnect the battery
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"it starts and supplies under voltage"
What you you mean by "under voltage"?Are you saying that the AC output produces less than 230 VAC?
Or doesn't it even get that far? (It sounds that way).
How long is the display on, after the "lamp test" that turns on all LCD segments?
Do the various power supplies (+12V, -12V, +5V) come on with appropriate voltages?
If you remove the control board, do the power supplies come up and stay up?
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