Besides motor pump failure of course. Anyone know? Could stiff tubing and tight fitting in the PC chassis cause the motor to stop?
Have you checked the voltage going into the header?
Check if the pump is getting fed power, try connecting a fan there instead and see if it spins.
Bending the tubes so much it cuts off flow is unlikely with a AIO, they're usually pretty stiff tubes.
FYI, it does work now. Yeah, it I plugged it into three different sources (Mobo set to off for max power output, 3rd party fan controller, and directly to the PSU), but the pump still won't work. My solution was to unhook and uncoil the tubing of the H80i GT and let it sit there until it pumps water again.
(It looks like 4 snakes are having an orgy session.)
My theory is the tubing end where it connects into the pump was too constricted. I ruled out pump motor since it would be far fetch for the motor to fail and miraculously work again. I also ruled out water evaporation since this thing is built like a tank and it is still relatively new. It was my hunch from the beginning due to my experience with same cooler on my CPU, the H80i GT tubing is too thick.
There is the possibility of corrosion. If you have multiple metal types, used in the same cooler, there is corrosion taking place. A piece of metal can snap out of the metal parts and basically stop the water flow. It has happened to my Silverstone Tundra, so yeah.
That's what I think happened actually.
Could that corrosion happened within the pump, and, or, radiator? That sounds scary.
it's like a dust in the water... It could happen everywhere... Mine was in the radiator. I took it apart, the pump was working, there was enough liquid, still the water did not flow.
It's working now though, but I'm gonna have to keep vigilant of my pump RPM then and temps then.
Issues like this made me an aircooling fan. I could have gotten 240 AIO, i got D14 for cheaper.
Quieter, less issues, good performance.
Honestly i don't see the place of the AIOs in the market. Not in the small ones anyways.
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The pump noise does leave much to be desired.
This is now turning into general AIO thread, but...
Not just that. Yeah, i use just 1 fan at my D14, even if you use just 1 fan, you still have the pump as noise source. However, this is not just about the noise.
What can happen to an air cooler? It fans could die.
What could happen to an AIO? It fans can die, the pump could die, the liquid could leak, the corrosion...
And ofcourse, there is the noise... but i think you can lower the pump rpm a bit so it will stay quieter...