Victron XS short circuit

So this is something that's been gnawing at me since a similar incident with my own setup last winter.

I was doing some maintenance on my Victron Orion-Tr Smart — the 30A DC-DC charger I use between my van's alternator feed and the leisure bank in my static caravan conversion — and I accidentally left the unit powered whilst the casing wasn't fully reassembled. Nothing dramatic happened that time, but it got me thinking about what the actual failure modes are if you leave these things partially open or with an exposed terminal.

The question I keep coming back to is: how forgiving is the Orion XS if you inadvertently create a short circuit condition? Does it just blow the internal fuse, throw a fault code, and carry on once you've sorted it? Or are we talking about a bricked unit?

I've heard the XS range has improved over-current protection compared to older Victron gear, but I can't find anything definitive in the manual about what actually happens internally during a dead short — not just the warnings about what not to do.

Has anyone here actually had a short on one of these and lived to tell the tale? Particularly interested in:

• Whether the unit recovered on its own
• Whether VictronConnect showed anything useful afterwards
• Whether you needed a warranty claim or just a fuse replacement

Running Fogstar Drift LiFePO4 cells here, so I've got BMS protection on the battery side, but I'd rather understand the charger's own behaviour independently.

Anyone been down this road?

LindaGrant | 847 posts | Midlands

@SprinterConvert The post seems to have cut off mid-sentence — we're all left hanging! Would love to hear what actually happened with your Orion-Tr Smart.

That said, I'll say this whilst we wait for the rest: the Orion-Tr Smart's built-in short circuit protection is generally quite robust, but the input side is often where people get caught out. If you're working between two battery banks with no isolation, you can have significant current available even when you think you've made things safe.

Always worth having a fuse or breaker on both sides of the unit before doing any maintenance — something I learned the hard way myself! Victron's own documentation is a bit quiet on emphasising this point.

Finish your story — curious whether it was the unit itself that tripped or something further upstream. 🔧

WonkySkipper | 1,203 posts | Array

@SprinterConvert mate, you've left us on a cliffhanger worse than a Netflix series 😄 did the Orion-Tr short out, or did you short out mid-sentence?

Joking aside, DC-DC charger maintenance can