I can't get my multiplus to turn on after swapping a network cable for a longer one

Q&A and troubleshooting
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1

Hi, I’ve got a full Victron Setup with a ve.bus, multiplus 2/3000, cerbo GX, two victron chargers.

I recently swapped out a network cable because we had a very short one between the multiplus and the Cerbo. Correction: The cable goes between the Ve.Bus and the Cerbo.

I’ve tried complete power down, then tried redetecting ve.bus system, rebooting the cerbo in nearly every order I can imagine.

The multiplus does not show up on the cerbo screen unless I have the rocker switch in the ‘on’ position.

but I can’t control the multiplus switch from the cerbo screen like I used to be able to.

Is there a way to bypass the Cerbo and just use the multiplus inverter?

2

If the multiplus switch is in off position, its off so no comms with the cerbo…

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3

Correct.
If you want to switch it off and on from the GX, then it first needs to be on with the physical switch.

4

Remove the ethernet cable and power on the multiplus. Then plug it back in. I have to do this every time.

5

Thanks for this answer. Is this your full startup procedure?

  1. Ve Bus ON, Cerbo ON, network cable OUT, Multiplus OFF

  2. Multiplus ON

  3. Network Cable IN

6

The only thing I need to power on is the cable between the Quattro and cerbo. It has to be disconnected. Then I can go from off to on on the Quattro. There is a document some where that details why it’s held off. You can do something to alter the wiring in the cable to stop that happening.

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7

Cut pin 7 on the patch cable

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