Treadmill will not start.1 Is the Safety Key inserted into the treadmill Console?2 Make sure the power cord is plugged into a surge protector, the surge protector is plugged into aproperly grounded outlet, and the surge protector is turned on. (Refer to “Power Requirements” onpage 8)3 Check the circuit breaker located on the front of the treadmill. If the switch protrudes, it hastripped. Wait five minutes and then press the switch back in.4 Check the house electrical breaker box and the circuit breaker for the room where the treadmill islocated. If it has tripped, reset or have an electrician replace the breaker in home.5 Have an electrician check for inadequate voltage at the outlet.Treadmill loses power during use.1 Check the circuit breaker located on the front of the treadmill. If the switch protrudes, it hastripped. Wait five minutes and then press the switch back in.2 Check the house electrical breaker box and the circuit breaker for the room where the treadmill islocated. If it has tripped, reset or have an electrician replace the breaker in home.3 If the treadmill still will not operate, please call Keys Technical Service at (888) 340-0482.Treadmill walking belt slows during use.1 Check to make sure the treadmill is securely plugged into an UL-listed surge protector, rated at 15amps, with a 14-gauge cord of five feet or less and the surge protector is securely plugged into theoutlet.2 If treadmill still will not operate, please call Keys Technical Service at (888) 340-0482.Treadmill walking belt slips or is not centered on rear roller.1 Refer to “Belt Adjustment and Tension” section on page 15.2 Need help? Call Keys Technical Service at (888) 340-0482.Treadmill Error Messages.Your treadmill is equipped with a software package that enables error messages to be displayed whenthere is a problem. To avoid possible damage to the treadmill and the possibility of injury, donot operate the treadmill until the problem is corrected. Call Keys Technical Service at (888)340-0482. Or see page 19 of this Owners Manual.17 Troubleshooting Guide