Horizon Fitness CST 3.5, Service Manual, Page: 32 / 67

3
W
ARRANTY
SAFETY
INSTRUCTIONS
RECOMMENDED
TOOLS
MAINTENANCE
PROPER
HEART
RA
TE
USAGE
5-STEP
DIAGNOSIS
PROCESS
VOL
TAGE
CHECKS
AND
LED
DIAGNOSIS
WIRING
DIAGRAMS
AND
SCHEMA
TICS
ENGINEERING
MODE
TROUBLESHOOTING
SPARE
PARTS
REPLACEMENT
Entering Engineering Mode
Power on the treadmill and have the safety key in position on the console. Press and hold the elevation “+” and speed “-” for about
5 seconds to enter the Engineering Mode Menu. The console should beep three times and Eng0 should be displayed once in the
Engineering Mode Menu
Eng0 – Display and Button Check
1. While in the Engineering Mode menu, press Speed “+” or “-” until Eng0 appears in the
display.
. Press “Enter” to select Eng0.
3. Press “Start” button to verify all LED’s
Eng1– Hardware Test
1. While in the Engineering Mode menu, press Speed “+” or “-” until Eng1 appears in the
display.
. Press “Enter” to select Eng1 and “Start” to get the belt started.
3. Press “Start” button to verify belt movement, sensor wire, and elevation function.
Eng2 - Auto Calibration
1. While in the Engineering Mode Menu, press the Speed “+” or “-” until Eng appears in the display.
. Press, “Enter” to select.
3. Press, “Start” to begin.
• The treadmill running belt will begin moving and will automatically begin the auto-calibration sequence to properly set and store
the speed values.
• Upon successful calibration there will be four beeps and it will automatically exit Engineering Mode and will return you to the
original screen.
Eng3 – Manual Calibration
1. While in the Engineering Mode Menu, press the Speed “+” or “-” button until Eng3 appears in the display.
. Press, “Enter” to select.
3. Press Speed “+” or “-” until the display shows P1
4. Press, “START” to begin.
5. Press Speed “+” or “-” until the speed is approximately 0.5 mph.
6. Press and hold “Start” for 3 – 5 seconds until the console beeps 3 times.
7. Press and hold “Stop” for 3 – 5 seconds until the console beeps times.
8. Press Speed “+” until the display shows P.
9. Repeat steps 4-7 with the speed being adjusted to .4 mph.
10. Press Speed “+” until the display shows P3.
11. Repeat steps 4-7 with the speed being adjusted to 6.0 mph.
1. Press Speed “+” until the display shows P4.
13. Repeat steps 4-7 with the speed being adjusted to 8.4 mph.
14. Press Speed “+” until the display shows P5.
15. Repeat steps 4-7 with the speed being adjusted to 1.0 mph.
16. Press and hold “Stop” for 3 – 5 seconds to return to the Engineering Menu.
Engineering Mode
(Models 1.2T, 2.2T, 3.2T, 4.2T, 5.2T)
Use to manually calibrate the running belt speed if auto calibration is unsuccessful.
Press and hold “Stop” to exit all engineering modes.
The 1.T uses the “Select” button and not the “Enter”
button to select the engineering mode on the screen.
ENGINEERING
MODE