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Heat Bed not working at all.

Posted by gilsah 
Heat Bed not working at all.
March 30, 2014 05:55PM
After changing heat bed, the ramps, and arduino all I get now is the LED to flash on very quick every other second. I am using a 15 volt 6 amp wall wort for power on the heat bed side (right) I have power after the fuses both big and smaller one. Im at a total loss could it be the mossfit? and how do you check them?
The bed did work at one point in time but not very well. It would take forever to start to heat and after it did heat it would cool down about 40 deg before it started to heat up again.
Re: Heat Bed not working at all.
March 30, 2014 09:36PM
Your power supply seems to be under-sized for the typical 200mm square PCB heatbed. The wiki recommends 10 amps, and I've read several complaints that certain power bricks rated for 6A struggle to put out 5A. Just my two cents.....
Re: Heat Bed not working at all.
March 31, 2014 08:28AM
Have you measured the resistance of your PCB heatbed ?
Re: Heat Bed not working at all.
March 31, 2014 06:46PM
The resistance in both beds is the same 1.5, Also I was incorrect about the power supply feeding power I have 15v and 12 amp.
Re: Heat Bed not working at all.
March 31, 2014 07:45PM
So I have changed the ramps yet again and still nothing. Im thinking it it in the set up now. maybe in the PID settings?
Attachments:
open | download - Configuration.h (20 KB)
Re: Heat Bed not working at all.
March 31, 2014 09:56PM
You have two heat beds on your printer?


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Waitaki 3D Printer
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