Treadmill Error Messages.
Your treadmill is equipped with a software package that enables error messages to be displayed when
there is a problem. The following error codes will be displayed in the console display windows.

Safety Interlock Error Messages

SI 1 - Safety key missing, replace and try again.
SI 2 - Over voltage protection trip. Notify Keys Fitness Technical Service.
SI 3 - Tilt Switch Trip.Notify Keys Fitness Technical Service.

Other Error Messages

E11 - Lack of speed feedback data from belt motor. Attempt re-calibration. See Calibration Sequence
section for detailed information.
E22 - Under Speed condition detected from the belt motor. Attempt re-calibration. See Calibration
Sequence section for detailed information.
E33 - Over Speed condition detected from the belt motor. Attempt re-calibration. See Calibration
Sequence section for detailed information.
To avoid possible damage to the treadmill and the possibility of injury, do not operate the tread-
mill until the problem is corrected. Call Keys Technical Service at (888) 340-0482.
19 Error Messages