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Need help with pump

So I finally just finished my first custom loop.  The issue I'm having is the pump dosent work.  I have it plugged into the water pump header but it dosent work so which header should I plug it into?  The pump is the ek x res 140 pump cpu combo and my Mobo is the Asus prime x470. Thanks

Current Rig=  AMD Ryzen 9 5900x, Asus Crosshair Hero VIII, EVGA RTX 3070 FTW3 ultra, 32gb Corsair Vengence Pro RGB 3000hz White, EVGA 750 P2 PSU, 1TB Samsung 980 Pro, 500gb samsung 860 evo, 250GB Samsung 850 evo, 2TB Samsung 970 Evo Plus, 2TB seagate firecuda sshd,  LianLi PC 011 Dynamic XL ROG edition, Corsair h150i elite capelix

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Just now, Derrk said:

pretty sure EK's D5 pump needs molex power as well as a header

I have it plugged into a molex cable from a different psu since my psu didn't come with a molex cable

Current Rig=  AMD Ryzen 9 5900x, Asus Crosshair Hero VIII, EVGA RTX 3070 FTW3 ultra, 32gb Corsair Vengence Pro RGB 3000hz White, EVGA 750 P2 PSU, 1TB Samsung 980 Pro, 500gb samsung 860 evo, 250GB Samsung 850 evo, 2TB Samsung 970 Evo Plus, 2TB seagate firecuda sshd,  LianLi PC 011 Dynamic XL ROG edition, Corsair h150i elite capelix

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Have you checked your bios to make sure the rpm isnt really low on the pump? You can also try unplugging the header and using just molex to see if it works at all

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Yea it says not available I did try running it with just molex and still no luck

Current Rig=  AMD Ryzen 9 5900x, Asus Crosshair Hero VIII, EVGA RTX 3070 FTW3 ultra, 32gb Corsair Vengence Pro RGB 3000hz White, EVGA 750 P2 PSU, 1TB Samsung 980 Pro, 500gb samsung 860 evo, 250GB Samsung 850 evo, 2TB Samsung 970 Evo Plus, 2TB seagate firecuda sshd,  LianLi PC 011 Dynamic XL ROG edition, Corsair h150i elite capelix

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Are you turning the other psu on? 

Why not connect it to the pcs actual psu. 

 

Also don’t need it plugged into a header at all right now. But trying any header would be a good start. 

Main RIg Corsair Air 540, I7 9900k, ASUS ROG Maximus XI Hero, G.Skill Ripjaws 3600 32GB, 3090FE, EVGA 1000G5, Acer Nitro XZ3 2560 x 1440@240hz 

 

Spare RIg Lian Li O11 AIR MINI, I7 4790K, Asus Maximus VI Extreme, G.Skill Ares 2400 32Gb, EVGA 1080ti, 1080sc 1070sc & 1060 SSC, EVGA 850GA, Acer KG251Q 1920x1080@240hz

 

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Pick up cheap china pump or something,  it's fine...d5 on level 3 stuff. 

2600x 4.3ghz-Loop

Msi X470 gaming plus

EVGA SuperSC CL16 3200 16gb

gtx 1060

pny nvme 480gb

mushkin eco3 480gb

Sound Blaster Audigy FX

Cooler Master GXII Pro 750w.

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