Quinton Popular Questions, Answers, Tips & Manuals

Likely motor controller, although it could be motor windings

Try to clear the error message. God bless you

1 )Locate the reset switch on the underside of the treadmill console. Usually the button is large enough to trigger with a pencil eraser or Q-tip. Plug the treadmill plug back into the wall. Use the Q-tip to press the reset button. It may be necessary to hold the reset button down for a few seconds. "CL11" will appear in the display of the treadmill.

• 2

Press the reset button one more time with the Q-tip. "CL21" should appear on the screen. Press the enter key. The display will change again and show "CL22." Keep pressing the enter key until the numbers cycle through to the number "CL26." Press enter one more time. The letter E should appear on the display screen.

• 3

Press enter twice more. The letters "SS" should appear on the screen. When this happens, press the start/stop key. Making sure to keep well away from the tread, press enter to start the treadmill. The treadmill will start on its own. The treadmill will stop on its own after a few seconds. When it stops, press the power key two times. Remove the safety key and put in a safe place. Your treadmill is reset

http://www.sportsmith.net/images/product_support/quinton/Manuals/ClubTrack%20510%20-%20612%20Service%20Manual.pdf This is the link to a service manual for the 612.