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tomppa73 asked

Voltage sense error

20221204-130911.jpgIdeas needed, multiplus 12/3000/120A, i got voltage sense error, voltage on main terminals is 12v. V.sense terminal same, v.connect tells that its 4.4v, i have reset system many times, updated latest firmware (v498) inverter side is working, charger is not.20221204-130744.jpg

battery system voltage
20221204-130744.jpg (4.1 MiB)
20221204-130911.jpg (3.7 MiB)
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klim8skeptic avatar image klim8skeptic ♦ commented ·
Disconnect the VSene wiring from the VSense terminals. If the problem persists, you have a problem..


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tomppa73 answered ·

V.sense terminal voltage is same as main terminal, 12v.

I can hear weird klicking sound behind com board, maybe fan is making that noise.

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