SW4048, 115 volts on AC 1 and 2

Vintage 2001 Trace SW4048 is reading 115 volts at AC 2 with nothing attached to it. AC 1 will read about 114.5 vac. This while AC out is 120 vac. I am off grid, so nothing is currently hooked to either AC 1 or 2. I discovered this while trying to get my inverter to accept my generator. It could have been this way for some time as there was never a reason to check it. My understanding is there should only be a search voltage of around 13.8 vac. Any ideas? Finding full voltage there freaked me out! My thinking is there is an internal relay stuck. but does'nt seem likely it would affect both AC1 in and AC 2 in . What do you people out there think? This things been 24/7 for bout 19 years! Prob time for new but it won't be Snhieder as they don't respond to Tech help.
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Schneider responds to installers and dealers first ! They are busy this time of year. They next response is to residential owners (you). The last thing they respond to, is equipment that they did not build (you). Good Luck!
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You can always wire up a 120 VAC filament bulbs of 4-40 Watts to the AC input connection and see if there is any "current" behind the voltage (bulb will safely load the AC connection and let you measure the "real" voltage).
-Bill
If you want to look at repairs/support for older inverters, I have a post where folks have listed aftermarket inverter repair facilities:
https://forum.solar-electric.com/discussion/comment/241766#Comment_241766
Of course, COVID-19 (and age) may have trimmed this list.
-Bill
XW and Outback radian log the relay attempts and can void warranty.
Why would Schneider even respond to a Trace failure??? They are in business to make money.
If you are DIY then swap the AC1 and AC2 relays!
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read this thread:
https://forum.solar-electric.com/discussion/355261/need-help-with-a-xantrex-sw4048#latest
There are new relays available on eBay.
- Assorted other systems, pieces and to many panels in the closet to not do more projects.
They have plenty to do BTW. New 100 amp mppt, 3 phase support on XW pro, old support on combox up to insight2, getting the digital and analog I/O working on Gateway and a bunch of stuff they can't share.
People love to say bad things about great companies. Look at Apple, a 2 trillion dollar company and they won't fix my apple 1.
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