GE T2100 Service Manual page 125

FRU Replacement
Step 4 may have been altered during Step 5. See the "Potentiometer Removal
Guidelines" below.
Manually increase the elevation to a 25% grade and confirm that the 25.0 is
displayed.
10. Re-assemble the remaining components to complete the overall T2100
Treadmill assembly.
2021403-120F 125
T2100 Treadmill