NordicTrack C4000 Treadmill Uk Manual - Page 28

PROBLEM: The incline of the treadmill does not change correctly SOLUTION: a. With the key in the console, press one of the Incline buttons. While the incline is changing, remove the key. After a few seconds, re-insert the key. The treadmill will automatically rise to the maximum incline level and then return to the minimum level. This will recalibrate the incline system. PROBLEM: The chest pulse sensor does not function properly SOLUTION: a. If the chest pulse sensor does not function properly, see CHEST PULSE SENSOR TROUBLESHOOTING on page 10. b. If the chest pulse sensor still does not function properly, the battery should be changed. To replace the battery, first locate the battery cover on the back of the sensor unit. Insert a coin into the slot in the cover, and turn the cover counterclockwise to the "open" position. Then, remove the cover. b Battery Cover Next, remove the old battery from the sensor unit, and insert a new CR2032 battery, with the battery oriented so the writing is on top. Make sure that the rubber gasket is in place in the sensor unit. Then, reinsert the battery cover and turn it to the closed position. Battery Cover Battery Rubber Gasket 28