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  1. #11
    Setting Up Camp
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    Quote Originally Posted by A.Texas.Yankee View Post
    Yes, try switching off (do not use) virtual switch. I've had issues with the virtual switch before.

    What position is the physical switch on the inverter in?
    The switch is on (one bar side), virtual switch is off. I pretty confident on the wiring as the multimeter shows 120 on both legs going in. VE Configure also shows 120 going in and nothing out. Victron connect will not connect to it on the computer though VE Configure does,

    This plug and play unit is making me look pretty dumb!
    2018 Ford F350
    2019 Momentum 394

  2. #12
    Rolling Along
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    Quote Originally Posted by Dsmith596 View Post
    The switch is on (one bar side), virtual switch is off. I pretty confident on the wiring as the multimeter shows 120 on both legs going in. VE Configure also shows 120 going in and nothing out. Victron connect will not connect to it on the computer though VE Configure does,

    This plug and play unit is making me look pretty dumb!
    Hmm and no error messages? Is firmware 100% up to date? I know firmware has caused some wonky things for me past several months. Can you upload your VeConfig file? I'd be curious to look at it.

    Do you have a GX device at all (log reporting).

  3. #13
    Site Team Redapple63's Avatar
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    Quote Originally Posted by Dsmith596 View Post
    The switch is on (one bar side), virtual switch is off. I pretty confident on the wiring as the multimeter shows 120 on both legs going in. VE Configure also shows 120 going in and nothing out. Victron connect will not connect to it on the computer though VE Configure does,

    This plug and play unit is making me look pretty dumb!
    Did you try a hard power cycle, meaning move the physical switch to off wait say 15 minutes, then turn back on?

    I would try that.

    Bill
    2019 GMC 3500 SRW Sierra Denali Duramax
    2020 Reflection 315RLTS

  4. #14
    Setting Up Camp
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    Firmware is up to date now! Still same result.
    2018 Ford F350
    2019 Momentum 394

  5. #15
    Setting Up Camp
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    Thanks for that idea, to turn off the physical switch for 15 minutes, and then back on. It didn't change anything.
    Doug
    2018 Ford F350
    2019 Momentum 394

  6. #16
    Rolling Along
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    Quote Originally Posted by Dsmith596 View Post
    Firmware is up to date now! Still same result.
    Dang. It's so hard to troubleshoot these without true native logging software. It's one of the #1 reasons I installed the Cerbo GX (along with remote access to it from anywhere as long as as I had internet).

    Are you sure you didn't wire the AC OUT into the AC2 output? I only ask because I've seen it done a few times by mistake.

  7. #17
    Site Sponsor ExNihilo's Avatar
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    You have probably considered this but do you have a well grounded unit (Directly to the frame)? Victron units are particularly fussy about grounding.
    Ex-Nihilo
    2022 2970RL (Fabricated 1/4 Inch Bumper w/ RV Generator Boxes)
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  8. #18
    Left The Driveway
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    I had a similar issue the first time I used my MPII with the rv connected to my generator via shore cable. Had to go into the inverter configuration and change a setting that had something to do with “weak AC input” (sorry can’t remember the exact setting name). The MP passed through as expected after that setting was changed. I’d go into your inverter configuration settings via Ethernet cable directly to a laptop.

  9. #19
    Site Sponsor TerryH's Avatar
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    I had a horrible time getting the Onan 4k to pass thru our Multiplus 12/2000. It was suggested that I do a consult with Daniel Heming at RV Solar Consultation. Daniel was able to get everything lined out very quickly for me and was well worth the little it costs. His knowledge of these systems and proper troubleshooting of problems is second to none in my book.


    https://rvsolarconsulting.com/?fbcli...7NOnKFFPfbr0KU
    Last edited by TerryH; 10-19-2022 at 05:24 PM.
    2021 Momentum 31G
    2021 20' Haulmark Edge race trailer
    '17 Ram CCLB 3500 dually 6.7 turbo
    '96 Chevy C3500 CC dually 454
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  10. #20
    Left The Driveway
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    I had a similar problem with my multiplus. I turned off the DC input breaker that I installed between batteries and inverter. And disconnected shore power (ac input). Waited a minute or 2 and turned everything back on and turned on inverter. Everything worked fine. Not sure what was wrong but turning off all power to inverter fixed it. It has been working fine since. Hope you get up and running.

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