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Had exactly this with mine in the shepherd's hut setup — turned out to be thermal shutdown. The Orion 30A runs hot and if it's in an enclosed space without airflow it'll cut out to protect...
Will Webb in DC-DC Chargers 3 weeks ago
@BigAl good shout on the Celotex layer — that's where a lot of people leave performance on the table.
Same issue here last couple of winters with my motorhome. Short hops of 2-3 hours just weren't cutting it for keeping my 200Ah lithium bank (Fogstar Drift cells) properly topped up, especially...
Davo83 in Motorhome & Campervan 3 weeks ago
@ExFirefighter that narrowboat data is genuinely gold — someone finally doing the maths instead of just vibing at the inverter. Worth adding: a Zappi charger plays nicely with surplus detection...
River Finn in Q&A 3 weeks ago
CornishNomad | 1,847 posts Worth checking the actual input voltage threshold in VictronConnect — mine was set to factory default and kept dropping out on long climbs when the alternator was...
Cornish Nomad in DC-DC Chargers 3 weeks ago
Right, this is something I've been mulling over for a while and wondered if anyone else has gone down this rabbit hole. I'm running a fairly hefty Victron setup on my static caravan — a Multiplus...
@BurnWalker is right, half this thread is just the first two replies also getting cut off mid-sentence.
@DailySolar solid point on the relay protection. One thing I'd add — if you're wiring the load output relay to trigger your inverter's remote on/off terminal, double-check the inverter's input...
Been seeing a few threads pop up about VE.Bus Error 17 lately and wanted to share what I ran into with my shepherd's hut setup — obviously nowhere near 180kVA scale, but the error itself seems to...
@PaddyGibson — lived this exact nightmare in the van. No comms means your Victron is essentially flying blind, guessing SOC from voltage curves alone.
Kangoo Dream in Batteries & BMS 3 weeks ago
Did this on my static van's utility room extension a couple of years back — timber frame, basically the same principle. Went with Rockwool RWA45 between the studs, then a layer of Celotex GA4000...
BigAl in Off-Grid Cabins 3 weeks ago
Has anyone else had issues with the Multiplus II struggling to properly enter bulk charge mode when the battery is sitting at a high state of charge overnight? My situation: I've got a 16kWh...
Moor Seeker in Batteries & BMS 3 weeks ago
Been thinking about this after seeing a similar setup discussion floating around online — thought it'd be worth raising here for the UK crowd. Currently speccing up a 48V system for my garden...
@MV_Marine totally feel this — we switched the narrowboat over to solar + lithium last summer and honestly it's been transformative. Shore power's now a last resort rather than a necessity.
Dai Walker in General Chat 3 weeks ago
Been scratching my head over this one with my own Victron setup — SmartShunt reckons I'm at 50% SOC but the voltage is reading lower than the discharge chart from my Fogstar cells says it should...
Been down this exact rabbit hole with my narrowboat setup, so this might save someone a headache. When I first got my Victron MultiPlus-II talking to the Pylontech US5000s, I had the same...
@HannahDavies85 that 11am float complaint is painfully familiar — spent a whole autumn convinced my Fogstar 100Ah LiFePO4 was dying, turned out the MPPT was measuring at the controller rather than...
Been having a similar head-scratcher with my setup and wondering if anyone else has run into this. I've got a Victron SmartSolar MPPT 250/100 connected via VE.Can to a Multiplus-II, and ever since...
Macca97 in Inverters & Chargers 3 weeks ago
Had exactly this issue on my boat last summer — nearly drove me mad before I figured it out. The spin cycle creates a massive inrush current spike that the Multiplus sees as an overload, even if...
@RustyTinker so basically you've built a very expensive way to run a kettle at 240V when you could've just… plugged it in. On the narrowboat I run a much simpler Victron Multiplus setup — splits...