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Ender 3 V2 Causing Circuit Breaker to Trip (Even when PSU is flipped off!) (lemmy.zip)

submitted 1 day ago by MoogleMaestro@lemmy.zip to c/3dprinting@lemmy.world

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I'm having a rather strange problem with my Ender 3 V2 that's causing me to leave it unplugged and as a result underused.

I used to have my printer set up in my garage but one day noticed that the circuit breaker was tripping overnight resulting my refridgerator to turn off (not ideal.) I kept removing devices until I determined that it was caused by my 3d printer despite the PSU being completely flipped off at the back! This is obviously strange behavior and not ideal for a device that is outside of it's warranty period.

So I'm not sure how to proceed here. Firstly, what type of issue would cause this device to trigger a circuit breaker even when the PSU is turned off? Secondly, is there some way to fix this device that isn't a major PITA? Has anyone else experienced this as well?

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[–] MoogleMaestro@lemmy.zip 1 points 1 day ago (2 children)

Is it plugged into a GFCI protected outlet?

Would this help? I'm currently using a standard 3-prong outlet with no ground fault protection, but I suppose I could install one on the given port...

There could just be too many devices with some earth leakage connected to the circuit, causing it to trip without any of them being faulty.

This could be, I suppose. Though what should someone do about this ultimately? I've already tried removing elements a piece at a time, but it would only work properly once the ender was off the circuit.

[–] cmnybo@discuss.tchncs.de 4 points 1 day ago (1 children)

Earth leakage would only trip the breaker if it was a GFCI, so the problem is something else.

[–] bradorsomething@ttrpg.network 2 points 1 day ago

No, large inductive loads can cause a trip. The sensor is only measuring 0.006A missing between the hot and neutral, windings can delay the neutral output.

[–] QuarterSwede@lemmy.world 3 points 1 day ago* (last edited 1 day ago)

If it’s not a GFCI or AFCI protected circuit then it has to be overcurrent or a bad breaker (they do stop being able to hold over time).

For overcurrent, something isn’t right with your PSU and it’s drawing more than 15 amps or 20 amps if yours is in the kitchen.

For a bad breaker, put your printer on a different circuit and see if it continues to trip. If not, swap the offending breaker out. Pretty safe to do yourself if you don’t touch the bus bar behind the breakers (otherwise it WILL kill you).