My controller stays on the startup screen after I apply power.

BAFCon Fourth DIP switch

Fourth DIP Switch

The controller may be unable to find your fan. Try the following:

  • Make sure the fan is powered on.
  • Check all CAT5 cable connection points.
  • Make sure the CAT5 cable is not damaged.
  • Turn on the controller’s fourth DIP switch. Remove the controller from the mounting bracket and locate the four DIP switches near the bottom right corner of the back of the controller. Set the fourth DIP switch from the left to the ON position by pushing it inward. Refer to the illustration.
This applies to these products: BAFCon

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