Precor 9.23 Service Manual page 6

Procedure 2.3 - Accessing the Service Mode Program
Calibration - Incline calibration and treadmill calibration
Console Sel - Sets the console for 9.23 or 9.27 operation
Display Test - Tests the display
Key Test - Tests the keypad
1. Set the on/off switch in the "on" position and remove the safety key from the console. Allow
the internal power supply to discharge, approximately 10 seconds.
2. While pressing the QUICK START and SPEED
key on the console. Continue to press the QUICK START and SPEED
display scrolls "SERVICE MODE". The main screen will display the upper software version
number.
3. Press the ENTER key, the display will read CALIBRATION. Use the
the four test modes, Calibration, Key Test, Display Test and Console Sel. Press the
ENTER key to select the appropriate test. You may press and hold the STOP key at any
time to exit the SERVICE MODE program.
Calibration
4. Inc Limit will be displayed at the bottom of the display and the incline A/D number will be
displayed in the HEART RATE window. As the incline is raised or lowered the A/D number
should track the incline's movement.
5. The A/D number will be used to calibrate the incline, Procedure 4.1. Warning, Do not
change the A/D number at this point, if the incline requires calibration, go to Procedure 4.1.
6. Press the ENTER key to enter the treadmill calibration mode.
Warning
During this procedure the running belt will be accelerated to the treadmill's maximum
(12.0 mph) speed. Do not stand on the treadmill's running belt during this procedure.
7. This procedure must be performed after the upper PCA, the upper PCA software or the
lower PCA has been replaced and before the treadmill is placed into normal operation.
8. When the running belt stops the display show the test results Pass or FAIL and will then
return to the normal user mode and the calibration process is complete.
Key Test
9. One at a time press all of the keys on the console, the key name should be displayed at the
bottom of the display. Pressing the STOP key a second time will exit the key test.
keys, simultaneously, replace the safety
,
9.23, 9.27 Treadmill
keys until the
to scroll between
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