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How to determine if the pump is functioning on your liquid cooler

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The only way to accurately determine if your Liquid Cooling Pump is functioning, is by checking the Pump RPM.

This will only be possible if the pump cable is connected directly to a fan header on the motherboard.

You will not be able to obtain a pump RPM reading if the pump cable is connected to the power supply via 4 pin Molex to 3 pin fan adapter.

First, you will need to check which fan header the pump cable is connected to on the motherboard. This will help you to identify the correct RPM reading. 

Next, you can check the pump RPM via BIOS or in Windows by downloading HW Monitor (free program)

If your pump RPM is displaying 0 or N/A then the pump is not functioning. Please submit an RMA through CM Fanzone for a replacement.

Please Note: Cooler Master recommends contacting the motherboard manufacture if you are not familiar with navigating BIOS.

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