question

I stepped away from the system for about five hours to get some sleep, just woke up and tried the inverter. It’s still down. My next step is to unplug the array, switch off the batteries, then bring it all up from nothing…generator, make sure there’s power, try inverter, connect batteries, hook up solar charger…hope for the best.

When the generator is on the system looks fine…

The sun is rising now, noticed my 250/100 float light blinking (maybe every 3 sec), so I’m able to check it on Bluetooth after it had disappeared last night. This is how that’s doing this morning…

So as the sun came up, more equipment began to come online. The trailer started pulsing as PV wattage increased…with the inverter off! I switched the inverter on and all it showed was low battery, yet my BMV showed 100%. I got all kinds of low voltage alarms, but each one had a higher voltage up…then back down into the teens. My RV’s controller had powered up and was holding steady, so I turned on lights, fans, plugged some things in…none of it registered on the GX as an ac load, the inverter only showed Fault (low battery). No power was going through the inverter, but I was clearly using power.

I started my generator and the inverter switched to absorption mode/mains on, MPPT went to absorption, because the batteries are reading 100%. I hate feeling as though if I turn the generator off, the system would drop again, but that’s where I’m at for now.

So I feel like a dummy (electrical work can do that), but I just realized that the breakers on my Onan 5500 are 30 amp breakers.

I don’t understand what actually transpired, but I know trying to run a 50 amp trailer on a 30 amp shore connector doesn’t work completely, as you can only power certain equipment at the same time. That being said yesterday I was running a single AC on the batteries fine. I dropped down to 50% and started my generator. Not even consider what the power output of the generator is, I started the two other ACs and switch the fridge to electric to conserve propane. That’s where my knowledge gets muddy, if the generator is running as a 30 amp power source and the trailer is drawing too much did the batteries take a charge or did they discharge? It would seem that there was a discharge due to the low voltage alarms, and the flickering lights and controls with the generator running.

When I saw all of this, I couldn’t stop the ACs without first securing the generator resetting the iN·Command control system (RV touchscreen control). Once that was done, I restarted the generator shut down the ACs switch fridge to propane and let it ride out until bedtime. When I turned off the generator…nothing. So I’m guessing the batteries probably think they’re charged at 100%, but probably reached their failsafe and are holding there and I need to reset them (ugh).