Our sailboat is on the hard in Maryland, while I observe her via VRM from Florida Two days ago, I noticed that the reported SOC from the BMV-702 was missing. Initially, it disappeared for a couple of hours, but by today, its gone entirely. The BMV is still reporting current and voltage, so it’s easy to determine that the battery is doing ok - but the missing SOC is an annoyance .
Unfortunately, I’m not there, so I can’t power cycle it - is there anything I could do via VRM to joggle its elbow, so to speak?
Thanks!
When you use victron connect and login to the vrm that way you can navigate directly onto the bmv and check it there.
Does it have soc there?
Does it report soc to the remote console?
Hi LX,
I went in with Victron Connect last night, and it showed blank for SOC (and also time-to-go) just like on VRM. So I manually set the SOC to a plausible value(97%, as the sun was setting there) - which immediately appeared on VRM. As of this morning, the value has dropped as I would expect (92%). I will continue to monitor it to see if it climbs with the sun today.
I have a suspicion that there is an internal fault with the BMV where that memory location that stores SOC is losing the value - but that doesn’t explain the 2-hour failure of three days ago, where the value returned after two hours at the expected level, not starting from zero.
Since I have no idea how the device actually generates and stores the info, I really don’t know.
Well, it has been synchronizing ok for the last 2.5 years That would not explain why it would suddenly go to blank (not 0) in the middle of the day.
I did use the manual SOC setting to restore it - we will see how long it lasts.
I do still see voltage and current being reported, so the connection to the Cerbo is ok.
Two days ago, I noticed that the reported SOC from the BMV-702 was missing. Initially, it disappeared for a couple of hours, but by today, its gone entirely. The BMV is still reporting current and voltage, so it’s easy to determine that the battery is doing ok - but the missing SOC is an annoyance .