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Problem with EK-DCP 4.0.

post #1 of 8
Thread Starter 
Yesterday, I finished my brother's pc watercooling loop and started to fill the EK-Reservoir Combo DCP 4.0. I filled the reservoir and started the PSU, did that 3 times and the loop was almost filled.

Then I just left the pump working for about 5 minutes to let the air come out, turned off the PSU and put some more water on the reservoir. Turned the PSU on again and the pump worked for about 2 seconds and turned off.

Turned the PSU back on and nothing happened. Then I took off the jumpstart clip and put it back on, again the same thing happened, the pump works for 2 seconds and stops.

Anyone knows whats going on?
post #2 of 8
Do you have an o-ring in your pump ?

When I forgot my o-ring my pump did similar things. Water is leaking inside the pump shorting it.
    
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post #3 of 8
Did you run the pump dry at any point? This can break the pump in seconds.

Are you running it from a molex line or off the motherboard? I know it comes with a 3 pin plug to go to the motherboard but you should not use that, as most fan headers will not be able to supply enough juice to run a pump. There should be an adaptor included in the package.

Edit: Of course if you are using a jumpstart clip then you are running off a molex line, I should have picked up on that doh.gif. /Edit

Other than that, it might be an under / over volt protection or a dodgy electrical connection. Check your wiring and try it on another molex line. Also try running something else on the molex line, like a fan (using the pump adaptor).

If that fails it is possible that you have a dodgy pump, RMA time.
Edited by GingerJohn - 3/22/11 at 10:24am
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post #4 of 8
Thread Starter 
Quote:
Originally Posted by Somenamehere;12813474 
Do you have an o-ring in your pump ?

When I forgot my o-ring my pump did similar things. Water is leaking inside the pump shorting it.

Can you tell me how does that o-ring look like?
post #5 of 8
Random restarts like that unfortunately can be hard to remedy. Check your voltage and molex plug for a good connection. If you have a solid 12V, it's probably a bad pump....RMA
    
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post #6 of 8
Thread Starter 
Thank you very much for the replys.

Ill check the voltage and if I cant come up with a solution Ill try to RMA it.
post #7 of 8
Try inserting a clip at the other side of the 24-pin connector. When I was filling my loop the clip would get just loose enough that the pump would stop - at the most annoying times - and I'd have to reseat it. Beyond trying what everyone else has suggested, I'd RMA it.
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post #8 of 8
Thread Starter 
Problem solved.

Its a PSU related problem. I was filling the loop with a Zalman ZM460B-APS. Dont know why this is happening.

Last night a got home and started to redo my brothers loop with my Swiftech 655 (thinking that the problem were with the EK-DCP 4.0), but after doing the filling process all over again the same problem happened with the 655, but after pluging the pump to a Corsair HX620W it worked fine.

So the problem is with the ZM460B-APS, but why?
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