Pump is obviously dead. Replace cooler, problem solved. Stop running your machine until you get a new cooler.
Hey, have minimized use, use it for like 30 mins a day when before it was on for 4+ hours, would this cooler be OK in a Corsair 600T?
https://www.overclockers.co.uk/cors...iquid-cpu-cooler-cw-9060025-ww-hs-038-cs.html