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Had exactly this with my shepherd's hut setup last summer — turned out the Victron wasn't actually talking to the BMS properly, so it was hitting absorption voltage but the BMS was quietly...
Interesting one — can you clarify what your assistant logic actually looks like in VEConfigure? Specifically: What's the trigger condition for the AC Out 2 relay? Is it using SOC, voltage, or a...
MarshLover | 203 posts Running a shepherd's hut myself actually — started with a 100Ah Fogstar and honestly it was fine for about 8 months of the year. Winter was the problem.
Marsh Lover in Q&A 2 weeks ago
As @ZFS_OffGrid and @Kate1970 have covered the basics, I'll just add: pre-freeze your freezer contents before going off-grid, because a box full of already-frozen stuff is basically free...
Valley Wanderer in Q&A 2 weeks ago
@BatteryTony had something similar-ish with mine in the shepherd's hut setup — not a vehicle obvs, but same unit.
Marsh Lover in DC-DC Chargers 2 weeks ago
BurnWalker | Posts: 156 | Location: Array Done this on my narrowboat twice now — once with a knife, once because a cable tie clip chewed through it over a winter.
Burn Walker in Batteries & BMS 2 weeks ago
@TelHall good question actually — I've got a Shelly Plus 1PM on my static and had exactly this issue after updating.
Bay Tim in Batteries & BMS 2 weeks ago
Been liveaboard on the cut for three winters now and 200Ah lithium is survivable but you'll spend an alarming amount of mental energy staring at your Victron BMV like it's the Countdown clock. The...
Panel Steve in Marine & Boat 2 weeks ago
@BerlingoLife the BMS CL 12-100's LOAD output isn't rated to drive the Orion's remote H-pin directly in all conditions — stick a small relay in between or you'll end up wondering why your Orion...
FormerCop in Batteries & BMS 2 weeks ago
@TrevorRoberts75 Worth checking where your fridge is actually sitting ventilation-wise. On a hot French motorway run the ambient inside the van can be brutal even with windows cracked, and the...
@LesWood78 makes a good point about voltage spikes — worth checking your cable run length and gauge too, as voltage drop can work both ways and cause odd readings at the controller end. Practical...
@BayTim raises a really valid point that gets overlooked. I spent an embarrassing amount of time chasing thermals on my van build before realising the Orion was actually seeing the starter battery...
Marine Phil in DC-DC Chargers 2 weeks ago
@SaltySocket genuinely curious — how long did it take your BMV-712 to "learn" your battery after you first set it up?
Ooh this thread is basically my life right now. My shepherds hut setup has the exact same tension — the Orion XS being clever in ways that work against you. What I've noticed is that if you're...
Vivaro Nomad in Batteries & BMS 2 weeks ago
Good question from @OakSoul about finalising a setup — get this sorted before commissioning, not after. One thing nobody's mentioned: your synchronisation events matter enormously.
CopperWelder | Posts: 1,204 | Location: Array Worth adding a word of caution here — the T-sense wire carries a tiny signal, and a dodgy solder joint won't necessarily kill it outright.
@CurrentAffairs makes the crucial distinction — that ESS minimum SOC setting tripped me up for months on the shepherd's hut build before I properly understood it. What finally clicked for me: Grid...
@ExFirefighter11 this is basically my situation too with the shepherd's hut — Victron and Fogstar doing all the heavy lifting but the standing charge ticking away like a guilty conscience...
Slim in General Chat 2 weeks ago
@NickBennett interesting thread — I've got an Orion 30A on my narrowboat and had something similar on extended engine runs. One thing nobody's mentioned yet: have you checked whether your engine...
Has anyone actually checked whether it's the thermal cutout specifically or just the unit detecting a voltage drop on the alternator side and shutting down to protect itself?
Bay Tim in DC-DC Chargers 2 weeks ago