Thread: Laser PSU tripping RCD
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14-11-2020 #1
Long story short(ish)
I have an 80W Chinese laser cutter that I was given for free. Came with all sorts of issues including some random firing and cutting when the lid was open!
I replaced the DSP, PSU and steppers and it was working great.
It was in an outside workshop and when I moved I had a guy with a Hiab crane, lift it over the back wall.
Unfortunately he did not strap it well enough and dropped it. Miraculously the tube survived and the only damage seemed to be to the enclosure.
When I got it in the new workshop I plugged it in and the RCD tripped. Found out that everything works, except when the PSU is connected it trips.
Wiring looks good, no shorts or anything.
The RCD is only a 10amp, does anyone know how much a power supply like this would draw on start up?
Would replacing it with a larger breaker help, if so is it okay to do that or would an electrician have to look at the wiring first?
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