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final follow up post: Signature Solar sent me a new inverter. I just swapped it out and I now get zero volts when testing white neutral and ground on AC out in battery mode. Further testing shows my furnace will run on battery and system flawlessly switches between AC grid and battery without...

Hello, I setup a system to provide battery backup for my furnace. Location is a remote cabin and grid power goes down a few times each winter. I had a Xantrex 1000 kw Freedom XC which worked perfectly. However, it was too loud, and I found the EG4 3kEHV which is a better deal, so I...

Thanks FilterGuy, I have not removed any internal screws but will look for it to make sure it is not missing. Today I will also do the test as suggested and report back.

I turned the AC input off at the panel and the inverter kicked over to battery mode. The voltage test between the white neutral and the green ground (attached to outside of inverter as per manual) is showing about 55v. Testing between black load and white neutral is showing 118v. The neutral...

Thank you for the help. I will report back once all is resolved in case anyone else has trouble and finds this post via a search.