The Corsair RMX PSU Fan is introduced, which replaces the RM in the corsair power supply unit. The RMX has the same bearing which is used in the 135 mm Rifles. With the zero RPM mode keeps the fan from spinning, and the result is a completely silent FAN. RMX PSU fans come with a special configuration that allows them to spin only if the temperate hits a certain threshold. In most cases, the reason behind the Corsair RMX PSU fan not spinning is the low temperature of your PC.
But if your CPU heats and your Corsair RMX PSU fan is not spinning, then it could be a serious issue and may also lead to damaged computer components. The new RMX series features Japanese components like capacitors which are rated at a very high temperature of 105 degrees Celsius. This allows this PSU to run at the full load without running the fan. Down below is a complete guide on fixing the fan spinning problem.
Also Read: Corsair PSU Not Starting or Doesn’t Turn On, How to Fix?
Why Is My PSU Fan Not Spinning
PSU fans these days are not meant to be always spinning. Some PSU fans are already equipped with the ECO mode to save energy. These PSU fans will not starts running until the load percentage reaches a certain point. In this case, the Corsair RMX PSU fan starts spinning only when the Load crosses the 40% mark. But after the 40% mark, the fan must be ON, if you are not seeing your corsair RMX PSU functioning normally like this. You may have the faulty PSU FAN.
When you are browsing normal stuff, your load is not even up to 40% and your PSU will not spin. And the fan will be all silent in there. Once you start doing heavy kinds of stuff, like gaming and streaming in 4K. The load gets exceeds the 40% mark, and the fan will start spinning. However, the RPM of the FAN will depend on the temperature of your CPU.
