I disconnected a component from a PWM header and the software still reports a static RPM value, why is that? Eva June 03, 2021 13:57 Updated Sometimes the RPM reading remains at the last read value in the controller memory and resets after a controller reset. Related articles How can I add additional delivery instructions for my order? The PWM value on the dashboard is displaying headers that are empty, is this wrong? Comments 0 comments Article is closed for comments.