Service manual
Common Service Procedures
Calibration
Calibrate the Treadmill after replacing a component, like 
a belt or motor, and after a power outage. Calibrating 
the Treadmill is an important part of troubleshooting and 
maintenance. 
Do not stand on the walking belt during the entire 
calibration process. Stand on the side foot support 
platforms or rubber mat only.
1.  Plug power cord into wall outlet and turn on power 
switch.
2.  Stand on the side foot support platforms or rubber 
floor mat. DO NOT STAND ON THE WALKING 
BELTS.
3.  Insert the Safety Key.
Note: The Bowflex
®
 Treadmill does not power up 
if the Safety Key is not fully inserted into the safety 
keyhole.
4.  Press and hold hold “ENTER” and “POWER” for 3 
seconds while the Console is dormant. The word 
“CAL” shows on the display.
5.  Press “START”. This enables display of maximum 
speed (with unit of measure) and maximum incline.
6.  Verify correct units of measure (English imperial/
metric). Press “START” to change from one type 
to another. Press “ENTER” one time to set the 
measurement unit. 
7.  Press “START”.
8.  Press “POWER” again to save and exit, once 
calibration is complete.
Service Manual
7










