GE T2100-ST1 Service Manual page 170

Calibration
10.
11.
12.
13.
14.
170
b. Start the treadmill and adjust the speed to 1 mph/1.6
km/h.
c. Start the stopwatch when the mark on the belt passes an
established point on the treadmills side rail.
d. Count the number of passes the mark makes in a 60
second period. The count should be 8 passes; this is within
the 2% speed accuracy.
e. Set the speed to 5 mph/8.0 km/h.
f. Count the passes the belt makes but this time in a 15
second period. The count should be 10 passes; this is
within the 2% speed accuracy.
g. Do one of the following, depending on the speed accuracy:
If treadmill achieved 2% accuracy, select Stop

Belt.
Speed calibration is complete.
Proceed to "Calibrating Elevation" on page 171 if
a Smart Power supply or elevation actuator was
replaced.
If the treadmill does not achieve the 2% speed

accuracy, this can be adjusted. When needing to
further adjust the speed accuracy, this can be
achieved by changing the Motor Controller
Speed Offset and External Sensor Speed Offset.
Proceed to step 10.
Stop Belt
Select and return to the
If the actual running belt is running slower than target speed,
Motor Controller Speed Offset
double-click the
the percentage between 95 to 99.99%.
If the actual running belt is running faster than target speed,
Motor Controller Speed Offset
double-click the
the percentage between 100.01 to 104.99%.
External Sensor Speed Offset
Adjust the
Motor Controller Speed Offset
percentage of the
This is critical to ensure the treadmill does not shut down
due to incorrectly reported speed verification (refer to
Smart Power Supply Error Code 3 through 7 in Chapter 6,
"Troubleshooting".
Repeat steps 5 through 9 to confirm proper adjustment of the
actual running belt speed.
T2100-ST1 Treadmill, 110V / T2100-ST2 Treadmill, 220V
Speed Cal Tab
.
and decrease
and increase
to match the changed
.
2097937-002 Rev G
11 March 2019