RPMs not detected with CAM or Kraken Control

The X61/60 have four PWM fan headers that connect to the pump and the X40/41 have two fan headers, but only one of these fan headers has the fan tachometer pin (all 4 pins), but all are controlled via PWM based on the one fan's speed.


The reason for this is because of software complications we saw when four different fan speeds were reported simultaneously.

If you have the fans connected to the 3-pin slave PWM connectors, this could cause your failure to register any RPMs. Check and move one of the PWM fans to the 4-pin PWM connector that has all 4 pins.

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