PSU or pump?

Carstein

Carstein

Carstein

Associate
Joined
24 Jun 2016
Posts
2
I'm in the process of getting my feet wet with water cooling, using the XSPC kit from OCUK. After many hours and much foul language I got everything working, but now (about a week later) the pump is randomly stopping.

The pump is the XSPC Ion all-in-one from the kit, so it's not being controlled via the fan controller or anything like that. I left the cooling system running from the ATX bridge, and noticed that the fans and pump were all slowing together at seemingly random intervals, so now I'm wondering if it might be the PSU.

I'm using a 680w beQuiet Straight Power with all the fans connected to one set of SATA connectors and the pump and SSD both on another set.

Any ideas/suggestions would be appreciated.
 
12V itself varying enough to have major effect to fan speeds should cause clear and major instability/crashing.
So not exactly logical symptoms...

Though very few BeQuiets use high quality capacitors so they certainly can't be trusted to be most reliable PSUs in long term.
What's the particular model number?

And if fans are connected only directly to PSU and even in different cables what else could affect all of them simultaneously...
 
More info needed, so you used a ATX bridge to override the psu and turn it on, so the fans are attached by Molex?

Did I get that right?

In which case the pump and fans should be at a constant rpm.
 
The PSU is a STRAIGHT POWER E9 680w CM. The fans are connected to the cases fan controller which is powered from a sata power connector.

I've now detached the pump from the systems power supply and I'm running it from another PSU I've borrowed. It's the only thing connected to that PSU which is being overridden via the ATX bridge. The pump is still stopping randomly, so I guess this shows it is a problem with the pump. Is there anything likely to be causing the pump to stop like this other than it being a faulty unit?
 
My D5 pump done this with BeQuiet PowerZone 650W. It just fixed itself randomly, had no explanation for it. People said pump was overheating so cutting off, I took pump apart cleaned it etc. Put it back in and no issues since.

It was a head scratcher for sure though.
 
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