[Solved] Simple Metal works; Upgraded to heated bed won't t

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[Solved] Simple Metal works; Upgraded to heated bed won't t

Postby Stirling » 2015-Jan-Sat-12-Jan

I tested the simple metal without heated bed and it worked fine. I'm attempting to upgrade with the printrbot heated bed and it won't turn on now.

This is my power supply specs from EVGA, 430W, supports 12V:
EVGA.png

It does not have a switch like the one printrbot provides for the US/EU voltage conversion

PCI-E 6+2 - reading the forums tells me this shouldn't be an issue. I don't have a Y-cable, but that also shouldn't be an issues
P1050681.JPG


There is no extension cable so the positioning should be the same for the other thermistor. Thermistor for heated bed:
P1050685.JPG


There were only 2 stripped wires for the screw terminals, 1 red, and 1 black:
P1050680.JPG


I'm at a loss. Have been looking around the forums all day for similar problems. Any help is appreciated.
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Last edited by Stirling on 2015-Jan-Sat-19-Jan, edited 1 time in total.
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[Solved] Simple Metal works; Upgraded to heated bed won't t

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Re: Simple Metal works; Upgraded to heated bed won't turn on

Postby RetireeJay » 2015-Jan-Sat-14-Jan

ATX supplies often have a green wire that's used to control the power (it's a logic-level input to the power supply). You need to ground the green wire by connecting it to a black wire to get the ATX supply to fully turn on.

Other than that, you hookup looks good. You have a Rev F board, which does not use the power supply Y adapter, and your use of the stripped wires from the heated bed going in to the screw-actuated terminal strip is absolutely correct.
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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
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Re: Simple Metal works; Upgraded to heated bed won't turn on

Postby Stirling » 2015-Jan-Sat-19-Jan

Thank you! That was the exact problem. Really appreciate your response.
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Re: [Solved] Simple Metal works; Upgraded to heated bed won'

Postby braden » 2017-Jun-Thu-00-Jun

Same issue. I had my atx working fine for months. Turned if off for a while, then wouldn't work again. I assumed the ATX went bad. Replaced it and am now using a Rev F but I can't get the ATX fan to even spin. What green wire to what black wire?
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Re: [Solved] Simple Metal works; Upgraded to heated bed won'

Postby RetireeJay » 2017-Jun-Thu-06-Jun

This post has a picture of how I did it.
viewtopic.php?f=80&t=11351&p=72923&hilit=green+wire+ATX#p72923

Basically, you can only find one green wire coming out of an ATX supply. And all the black wires are ground.
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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
User avatar
RetireeJay
My next printer is...
 
Posts: 4800
Joined: 2013-Jan-Wed-13-Jan
Location: Greenville, SC
Reputation: 477


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