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I monitor the voltage at my batteries in addition to the VE Bus voltage. All other voltages are fine but I am occasionally getting the Low Voltage alarm on the VE Bus. I'm trying to understand where this voltage is monitored so that I can isolate the issue.
We have one system that does this. It is an interesting one. Found the issue to be a cell balancing board that was faulty and was shutting down and switching back on and bringing the bank voltage down then pops back up again.
The battery is one approved by Victron and has comms with the gx, but the battery itself never says anything about it. But is it noticed by the ve bus.
Hi @Alexandra
We are experiencing this on multipal systems. We are not seeing any BMS alarm from pylontec batteries. Victron Multiplus is in a alarm standby state i think.
How did you get a resolution?
The battery was taken in for repairs. All they ended up doing was removing the cells and tip balancing them with a charger made specifically for single cell charging. Then re-assembled with the cell board replacement, a battery firmware update.
Battery performance is amazing now. And no more errors. No system updates or other changes were made.
Interesting. We are using lithium batteries and I haven't noticed anything lately but could of been and issue. I'll monitor it.
Thanks.
check your cables between the battery and the Multiplus. Low voltage VE.Bus is likely coming from the MultiPlus terminals.
