Thread: AXBB charge pump fault
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11-08-2019 #1
I wired my machine to use the charge pump output so that the relay would only activate the motor psu if the software was active and not in a reset/error state. This has worked perfectly while testing until I tried it a couple of days ago. When I apply power the relay and therefore the motor Psu all spring to life. I checked all wiring and even stripped it all back to the bare minimum and tested again with the same issue. I have checked the charge pump isolated output and it appears to always be active even if the indicator LED is off? I have checked that the option to always enable charge pump isn't active and am now wondering whether it's faulty...does anyone have any other ideas?
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