NordicTrack Gx 4.2 Pro Bike English Manual - Page 24

MAINTENANCE AND TROUBLESHOOTING Inspect and properly tighten all parts of the exercise bike regularly. The exercise bike can be cleaned with a soft, damp cloth. To prevent damage to the console, keep liquids away from the console and keep the console out of direct sunlight. CONSOLE TROUBLESHOOTING Then, remove all of the Screws (not shown) from the Right and Left Shields (10, 11). Carefully pull the tops of the Shields (10, 11) apart, and locate the Reed Switch (57). Loosen, but do not remove, the ST4.2 x 19mm Screw (35). If lines appear in the console display, see HOW TO CHANGE CONSOLE SETTINGS on page 22 and adjust the contrast level of the display. 10, 11 If the console does not display your heart rate when you use the handgrip heart rate monitor, see step 5 on page 17. If the console does not display your heart rate when you use the chest heart rate monitor, see TROUBLESHOOTING on page 13. 20 55 35 57 HOW TO ADJUST THE REED SWITCH If the console does not display correct feedback, the reed switch should be adjusted. Before adjusting the reed switch, first unplug the power adapter. Next, remove the Seat Post Knob (27), pull off the Knob Shield (9), and slide the Shield Cover (7) upward. 7 9 Next, rotate the Left Crank Arm (20) until a Magnet (55) is aligned with the Reed Switch (57). Slide the Reed Switch slightly toward or away from the Magnet. Then, retighten the ST4.2 x 19mm Screw (35). Plug in the power adapter and rotate the Left Crank Arm (20) for a moment. Repeat these actions until the console displays correct feedback. When the reed switch is correctly adjusted, reattach the parts that you removed. 27 10, 11 24