My case fans are not spinning or stops intermittently when connected to the Razer PWM PC Fan Controller

Updated: 22-Sep-2025 | Answer ID: 5681
This article details a few ways to fix case fans that are not spinning or stopping intermittently while connected to the Razer PWM PC Fan Controller.
Razer PWM PC Fan Controller | RZ34-02140 Support
 
  • Check that the connections between your case fans and the Razer PWM PC Fan Controller are snug and secure.
  • Ensure that there are no bent pins or dust on any of the case fans’ connectors.
  • If only one or two fans are not spinning or stopping intermittently, replace the fans or connect them directly to the motherboard.

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