I am experiencing those high current spikes that you are referring to. I have an Onan 10 HDKAG spec J, using a 305-0875-04 voltage regulator. I have a Schnieder XW pro 6.8. I have been data logging at 1 second intervals to try to troubleshoot. The Onan seems solid and consistently puts out...
A little update. Yes a 1500 watt heater, greatly dampened or fixed the issue. But.. while trying to figure out what/how the capacitors should be wired in. I purchased a costco $900. gen. Same issue. Except the heater trick doesn't work. There were big voltage spikes and fluctuations of VAR...
Update. Fixed the issue. No thanks to Schneider. In fact they still have no idea. Backed the firmware to v1.11 build 0049. Major bug in the latest firmware 1.19. Local energy store had same issues as me and came up with the firmware solution. Schneider needs to get on the ball before they...