The display on the treadmill is showing only dashes, 8’s or reads “Safety Key Off.” Horizon Fitness Updated July 12, 2021 16:55 Resolution: Safety Key Reed Switch Troubleshooting The dashes or screen saver mode are an indicator of the safety key being off. Verify that the safety key is in place on the console - either inserted or magnetically attached Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles Treadmill will stop and reset or running speed is erratic. Speed/Distance/RPM reading and checking the Speed Sensor Comments 0 comments Please sign in to leave a comment.