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Heated bed heats up by itself

Posted by jpt000 
Heated bed heats up by itself
May 25, 2014 02:35PM
Hi everyone,
for some weird reason my heated bed (MK3) decided to heat up as soon as I turn on the power. It heats up to bout 67ºC and stays there, even if I tell it to lower. Any ideas?
Prusa i3
RAMPS 1.4
Repetier 0.91

Thanks!
Re: Heated bed heats up by itself
May 27, 2014 10:01AM
I think it might be the MOSFETS on my RAMPS (cheap chinese from ebay). Just order new ones and hope these will solve the problem.
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