Power supply blew up in the first 30 minutes.

Discussions related to the Rostock MAX v2
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Steel_Neuron
Plasticator
Posts: 12
Joined: Mon May 19, 2014 3:19 pm

Power supply blew up in the first 30 minutes.

Post by Steel_Neuron »

Hey there!

I just put together my Rostock Max V2 and I was very happy to see that everything was (apparently) working. I had already uploaded the firmware, was about to start calibrating, and boom. A capacitor from the power source blew up and I switched off immediately.

I've heard of problems with the PSU, but so soon? Might have something to do with the fact that I'm in Spain (230V), but I DID change the voltage setting on the source to 230, so why would that happen?

I guess I'll have to buy a new one... Any tips for changing the PSU without having to dismantle the whole printer? Any PSU recommendations in Europe?

Thanks.
guanu
SeeMeCNC Staff
Posts: 392
Joined: Mon Mar 26, 2012 1:54 pm

Re: Power supply blew up in the first 30 minutes.

Post by guanu »

if you are looking for us to replace it, just email [email protected] and explain what happened along with your order number. If you do not want to wait for international shipping, any computer power supply should work that can provide at least 20 amps on the 12v rail, the hole on the bottom of the machine is designed as a way to replace the psu without taking apart the machine.. unplug the wall plug from the power supply, unplug the 6 pin connector going to the rambo from the power supply, and unclip the power switch... remove the 4 screws holding the power supply in from the rear of the machine (remove the acrylic to access the screws).. and you can tilt the power supply out the bottom of the machine through the hole.

Any other questions feel free to ask.

Guanu
Steel_Neuron
Plasticator
Posts: 12
Joined: Mon May 19, 2014 3:19 pm

Re: Power supply blew up in the first 30 minutes.

Post by Steel_Neuron »

Thanks! I got myself a Corsair CS750M, that should do fine.

However, I don't have much experience manipulating PSUs so I'm not sure which cable I should modify and how. Has anyone had to adapt a modular Corsair PSU to their Rostock? It would be great if you could help me out with adapting it to the printer.
pmazz850
Prints-a-lot
Posts: 23
Joined: Mon Sep 15, 2014 8:01 pm

Re: Power supply blew up in the first 30 minutes.

Post by pmazz850 »

I just installed a corsair myself. I had to look up the pinouts for 24 pin atx plug and pci-e plugs. Then you will know which wires are pos and ground. Also which wire on the atx plug that is to switch the power supply on. Just Google the pinouts for the plugs.
add1ct3dd
Printmaster!
Posts: 119
Joined: Mon Nov 17, 2014 10:15 am

Re: Power supply blew up in the first 30 minutes.

Post by add1ct3dd »

Steel_Neuron wrote:Thanks! I got myself a Corsair CS750M, that should do fine.

However, I don't have much experience manipulating PSUs so I'm not sure which cable I should modify and how. Has anyone had to adapt a modular Corsair PSU to their Rostock? It would be great if you could help me out with adapting it to the printer.
Should be the same as any other power supply as per manual:

12v positive is yellow, negative = black.

To power on you need green and a negative (you can take both from the 24-pin ATX).
pmazz850
Prints-a-lot
Posts: 23
Joined: Mon Sep 15, 2014 8:01 pm

Re: Power supply blew up in the first 30 minutes.

Post by pmazz850 »

add1ct3dd wrote:
Steel_Neuron wrote:Thanks! I got myself a Corsair CS750M, that should do fine.

However, I don't have much experience manipulating PSUs so I'm not sure which cable I should modify and how. Has anyone had to adapt a modular Corsair PSU to their Rostock? It would be great if you could help me out with adapting it to the printer.
Should be the same as any other power supply as per manual:

12v positive is yellow, negative = black.

To power on you need green and a negative (you can take both from the 24-pin ATX).
My Corsair has all black wires. So I just looked up the pinouts.
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