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Heat bed on GS2 pro does not stop heating!

Posted: Wed Mar 30, 2016 1:42 am
by dekard
Hi Everyone! (sorry from now if i use bad english :) )
you all were so kind and helpful last time so i will ask you that biiiiiiiiiiig questions that is killing my brain in last 4 days:
i had problem with my gs2 with metal spider drop during printing and problem in filament extrusion, thanks to you solved,
now i'm stucked with this:
when i power on (not only via usb, but via AC plug) my gs2 pro does not stop the heatbed to heat on..
even with repetiter host with a work in progress and a certain temperature setted on it,
the temperature does not stop rising.
even with different pc, with job on sd card, and....whatever i try.... :( :(
can you suggest me anything that could help me??
THANKS A LOT GUYS!

(also wich is my last usable firmware for gs2 pro 2 extruder?
thanks!!

Re: Heat bed on GS2 pro does not stop heating!

Posted: Wed Mar 30, 2016 6:11 pm
by Mark
I think you might need to check the mosfet that controls the heating of the heatbed according to this link:
http://www.geeetech.com/forum/viewtopic ... 19&t=17039
Or maybe check pin2 and pin3 of the mosfet, see if there's a solder bridge between them that cuased this. Also check the heatbed resistance in that link.
And the firmware , you can download the one for your printer here:
http://www.geeetech.com/forum/viewtopic ... 20&t=17046

Re: Heat bed on GS2 pro does not stop heating!

Posted: Thu Mar 31, 2016 2:08 am
by dekard
thank you, will try and let you know!
thanks