How do I replace the controller in my SPEEDCHECK-15 radar speed sign?

Follow these steps to replace the controller inside the SPEEDCHECK-15 radar speed sign.

Product applicability

The following products are discussed in this article:

  • SpeedCheck: SPEEDCHECK-15


The controller found within the SPEEDCHECK-15 is user-serviceable as a drop-in replacement. Please follow one of the following guides for the installation procedure:


Carmanah programs the replacement controller to a default set of speed parameters. You can adjust the settings for your specific application using the SpeedCheck Manager software. Refer to the Configuration Guide here for more information on programming.

The Decatur SI-2/SI-3 radars are not supported with the updated programmable controller at this time. Contact Carmanah for compatible alternative controller.