An OptiFlow permission key resembles a USB thumb drive and is located on the back of the control panel. The permission key allows the controller to operate as an OptiFlow controller, using the necessary firmware. It is important that the key remain inserted for the life of the controller.

When a permission key alert occurs, it means that an OptiFlow key has been damaged or is missing from the controller.

Possible Causes

• The key has been removed.
  
  
• The key is damaged or is not inserted all the way.
  
  

Possible Fixes

If an OptiFlow key is present, remove and reinsert it. If the problem persists, or no key is found, contact Customer Support for further steps in troubleshooting.