[Blackpool] Laser cutter woes
arthur_garlick at hotmail.com
Sat Oct 5 11:05:37 UTC 2019
The HT coil to the laser has let out magic smoke of some kind - brown dust deposits on the inside of the PSU case around the coil.
Otherwise spotless clean inside the PSU so seems obvious something was amiss with the coil.
Coil isn't sealed in oil, looks like a transformer. Small fuse on PSU board is good. I think I'll be replacing the coil and good to go.
I don't know what would let go in a HT Coil that'd put brown dust out? If insulation on windings went I'd have fire/black soot blown fuse?
Any thoughts - anyone say I should investigate further before replacing and powering it back up?
My friend has a good one in his old K40 just waiting to go pick it up.
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