US Patent 9449449 Access control operator diagnostic control

A computing device using diagnostic application software described herein allows an owner or operator of a premises to provide a service technician access to operational data from a movable barrier operator so that the technician's computing device can troubleshoot for possible issues with the operation of the barrier operator. The owner's computing device can send credentials to the technician mobile device so that the technician's computing device can then utilize the application to access the operational data. For added security, the application can further give the owner computing device control over the type and duration of access provided to the technician.