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XD5 Pump not Pumping

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Fellow community, first time full water cooled PC build. Got the reservoir installed and tested the loop via air pressure, all is well. Installed the pump and fans, all RGB is functional, but I’m getting a strange noise when the pump turns on and lack of water flow from the pump.

Forum doesn’t allow for video but I’ve tried to shake the case as read in other posts.

Many thanks in advance.


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you have the temperature sensor plugged on the pump outlet.

the drain valve and intended pump outlet are connected to inlets too.

Look at the pump quick start guide, where it shows which ports do what, and re-route your pump outlet 🙂


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As above. There is only one pump outlet (the left of the two port side). You have to use that. All other ports are return inlets. 

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