question

vejle avatar image
vejle asked

Victron BMS red led

We have a sailboat with 4 * 200 ah 12v - packs of 2 batteries for 24 V.

Everything is Victron - Quattro 8000 BMS VE and monitor etc.

The batteries made the BMS kick in and the Quattro showed (low battery) - and wound not charge.

We called in for help which resulted in loosing the setup and that we had to have the communications card on the Quattro changed and now the blue panel also.. We can no longer access the menus in the panel and we don't have access to the Quattro.

As soon as we use the hydraulics an alarm goes off and we can't see how much power is left on the 2 working batteries ? So we are running the Panda generator all the time.


BUT the Quattro will now only run on 1 pack of 2 batteries. When we connect the other pack the red light comes on on the BMS. With a Victron smart 25 amp 12v charger we measure 14.4 v separately on the 1 pack of batteries that results in a red led and aprox. 13.7 v on the other pair.

What could be wrong? The batteries are from 2016 LiFePO4 . Can a battery be reset so the BMS does not create a red led?

Thank you Tor

Lithium BatteryBMSBattery Protectvictron products
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2 Answers
vejle avatar image
vejle answered ·

Is it possible to "reset"the battery?

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Rob Fijn avatar image
Rob Fijn answered ·

Hello Vejle, no you can not reset the battery. I assume you have the Victron LifePO4 without the Bluetooth, so impossible to see the 4 cells. You have now cells in a battery that are out of the specifications, so the BMS will kicking.

I believe yes with an external charger with a low current you can try to balance the cell, but careful not to overcharge.

The unbalanced cell and the BMS to kicking should have nothing to do with the communication card in the Quattro. There is/should be an "assistant" in the Quattro to work with the BMS. The BMS and the Quattro communicate via the VE.bus and then as well to the Color Display GX. The order of connection is important.
You need someone on board with some more knowledge.

Regards, Rob


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