ProForm XT90-NT23 Service Manual
  1. Manuals
  2. Brands
  3. ProForm Manuals
  4. Fitness Equipment
  5. XT90-NT23
  6. Service manual
ProForm XT90-NT23 Service Manual

ProForm XT90-NT23 Service Manual

Treadmill
Hide thumbs Also See for XT90-NT23:
Table of Contents

Advertisement

Quick Links

Download this manual
X
T
9
0
-
N
T
2
3
T
r
X
T
9
0
-
N
T
2
3
T
r
S
e
r
v
i
c
e
M
S
e
r
v
i
c
e
M
e
a
d
m
i
l
l
e
a
d
m
i
l
l
a
n
u
a
l
a
n
u
a
l

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the XT90-NT23 and is the answer not in the manual?

Questions and answers

Related Manuals for ProForm XT90-NT23

Summary of Contents for ProForm XT90-NT23

  • Page 2 WARNING: ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL OUTLET BEFORE SERVICING THE UNIT.

  • Page 3: Table Of Contents

    Table of Contents ..............1 Table of Figures ................ 3 Description ................4 ........4 LECTRICAL ONFIGURATION XT90-NT23 Treadmill components ......4 1. Console ..............5 Main controller............5 Treadmill motor ............5 Incline motor............. 5 Operation................... 7 ..........7...
  • Page 4 Diagrams and Schematics ............23 APPENDIX A................. 26 TREADBELT ADJUSTMENT ......26 APPENDIX B ................. 28 TREADMILL LUBRICATION ......28 APPENDIX C ................. 29 RESET SWITCH RESETTING ......29 APPENDIX D................. 30 FUSE REPLACEMENT......... 30 APPENDIX E ................. 31 SPEED SENSOR ADJUSTMENT......31 SERVICE QUESTIONS.........

  • Page 5: Table Of Figures

    TABLE OF FIGURES Figure 1 Operational Flowchart ..........6 Figure 2 Console Layout............23 Figure 3 Mechanical Layout ..........23 Figure 4 Main Controller information & voltages....24 Figure 5 Function JK1 connector on Main Controller... 24 Figure 6 Wiring Diagram............25 Figure 7 Schematic Diagram ....

  • Page 6: Description

    LECTRICAL ONFIGURATION Note: Electrical servicing of this treadmill is limited to board level replacement. XT90-NT23 TREADMILL COMPONENTS a) Safety key: To fits on the Console that activate all functions. If no safety key, console can not be controlled. b) Console: Interface that controls all functions of the treadmill.

  • Page 7: Console

    B. G ENERAL NFORMATION 1. CONSOLE f) Contains touch controls and LCD Display. MAIN CONTROLLER a) Include power supply motor driver control circuit and incline 、 control circuit. TREADMILL MOTOR a) It’s a variable speed on 0-90 volt DC motor. b) Have three wires red, black and green.

  • Page 8: Figure 1 Operational Flowchart

    Figure 1 Operational Flowchart...

  • Page 9: Operation

    OPERATION INDOW ISPLAY DISPLAY MODE a) When user doesn’t insert the SAFETY KEY on the console, the treadmill enters the DISPLAY Mode. READY MODE a) When the treadmill is ON and SAFETY KEY is inserted in console, the message window will show “PRESS START FOR QUICK START OR ENTER FOR SETUP”...

  • Page 10: B Function

    UNCTION SPEED a) Display the current speed in Mile per hour. b) DISPLAY range is 0.0 to 99.9 mph. c) WORK range is 0.5 to 12.0 mph. d) Press “FAST” or ”SLOW” to adjust speed, each increment and decrement is 0.1 mph. INCLINE a) Display the incline position from 0 to 15.

  • Page 11: Laps

    LAPS a) Display the total working lap quantity. b) DISPLAY range is 0 to 99. c) WORK range is 0 to 99. d) Displays total lap quantity. DISTANCE a) Display the current distance in kilometer. b) DISPLAY range is 0.00 to 99.99. c) WORK range is 0.00 to 99.99.

  • Page 12: C Function Button I N Main Mode

    UNCTION UTTON READY MODE a) SAFETY KEY: Fit safety key in right position to power on the computer. When safety key is pulled away from its position, the computer will be automatically shut down. b) STOP button: Non-function. START button: Pressing “ START ” button to start treadmill, START ”...

  • Page 13: Run Mode

    RUN MODE a) SAFETY KEY: When safety key is pulled away from its position, the computer will be automatically shut down. b) STOP button: press “STOP” button to stop treadmill. c) START button: non-functional. d) ENTER button: Exchange display between speed profile and incline profile.

  • Page 14: D Calibration Procedure

    ALIBRATION ROCEDURE CALIBRATION a) Turn on power. “START” and “FAST” button at the same time. b) Press and hold c) Inserts the SAFETY KEY on console, all windows will appear blank. d) Km/Mile Mode: Press “ENTER” button to enter calibration mode.

  • Page 15: Troubleshooting

    TROUBLESHOOTING WARNING: ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL OUTLET BEFORE SERVICING THE UNIT. GENERAL a) Do a visual check of all wiring and connections looking for chafed wires or lose connections. b) Make sure any wiring is safely positioned and/or secured away from moving parts.

  • Page 16: Troubleshooting Matrix

    TROUBLESHOOTING MATRIX Condition Reason Solve When turn on power, 1 Power cord isn’t plugged into outlet. 1 Plug the power cord into outlet. ON/OFF switch isn’t lit. 2 Power cord isn’t plug into unit. 2 Plug the power cord into unit. 3 The voltage of outlet is too low.
  • Page 17 4 Replace 12PIN computer cable. 5 Fuse on controller is blown. 5 Replace fuse or controller. 6 Varistor on controller is blown. 6 Replace varistor or controller. 7 Reed switch of console is broken. (open) 7 Replace reed switch or console. 8 Other components are faulty.
  • Page 18 After removing safe key, 1. Reed switch of console is broken. 1. Replace with new reed switch or treadmill can’t stop. console. LCDs not bright, 1. LCD light is broken. 1. Replace with new LCD or console. incomplete or imperfect. 2.
  • Page 19 window displays “LS” error 4. Magnet de-magnetized. 3. Replace a magnet. message after 8 seconds. 5. Speed sensor cable is broken. (short) 4. Use metal material to test the magnet. 6. 12 PIN computer cable connected improperly. 5. Replace sensor cable. *Speed sensor cable was 6.
  • Page 20 1.Check the 3 pins cable of the incline INCLINE window displays 1 Position sensor value of incline motor is wrong. motor. “----”. TIME window display 1.EEPROM is broken. 1.Replace with new console and calibrate “Err” After pressing “START” 1 Controller is broken. 1 Turn off the AC switch and turn on power button, the treadmill stops again.
  • Page 21 damaged. 4. Button of SPEED ADJUSTMENT SWITCH is broken. 5. The connector of SPEED CABLE (UPPER) or SPEED 4. Replace with new buttons. ADJUSTMENT SWITCH/W/CABLE is damaged. 6. The connector of SPEED CABLE (UPPER) or SPEED 5. Replace with new cable. ADJUSTMENT SWITCH/W/CABLE is damaged.
  • Page 22 INCLINE ADJUSTMENT SWITCH CABLE got damage. 6. Replace the cable. 6. The connector of INCLINE CABLE (UPPER) or INCLINE ADJUSTMENT SWITCH CABLE damaged. Hand pulse lost its function. 1. Hands not on the hand pulse sensors or only one hand on 1.
  • Page 23 center. (see Appendix A) Tread belt hesitates while Insufficient lubricant on tread belt. See treadbelt lubrication (see Appendix B) being stepped on. Tread belt tension insufficient Tension Belt (see Appendix A ) Black particles collecting Drive belt is breaking in. Vacuum under treadmill periodically.

  • Page 24: Controller Debugging Form

    CONTROLLER DEBUGGING FORM Indicator LED Function Condition Reason Solve Motor speed Normal on when start is pressed. No input. Check fast/slow wires of 12PIN connector. Fault condition if start is pressed & Replace controller. LED off. Replace console. POWER Controller power If DC voltage is normal, it would be Voltage is not correct.

  • Page 25: Diagrams And Schematics

    DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout...

  • Page 26: Figure 4 Main Controller Information & Voltages

    MOSFET FUSE M+ TO MOTOR (RED WIRE) M- TO MOTOR (BLACK WIRE) 110 VAC IN VARISTOR NEUTRALOT INCLINE MOTOR (WHITE WIRE) INCLINE DOWN (BLACK WIRE) INCLINE UP (RED WIRE) SPEED SENSOR Figure 4 Main Controller information & voltages Figure 5 Function JK1 connector on Main Controller...

  • Page 27: Figure 6 Wiring Diagram

    Figure 6 Wiring Diagram...

  • Page 28: Treadbelt Adjustment

    APPENDIX A TREADBELT ADJUSTMENT The treadbelt has been factory pre-adjusted, however if during the operation: 1/4 T U R N Figure 8 If Treadbelt slips The treadbelt is too loose: Tighten both rear roller adjusting bolts 1/4 turn clockwise using allen wrench 1/4 TURN Figure 9 If tread belt shifts too far to the Right a) Set the treadmill speed to 3.5 mph/5.6 km.

  • Page 29: Figure 10 If Tread Belt Shifts Too Far To The Left

    1/4 TUR N Figure 10 If tread belt shifts too far to the Left a) Set the treadmill speed to 3.5 mph/5.6 km. b) Tighten the left adjusting bolt a 1/4 turn clockwise using allen wrench c) Wait 15 seconds: if no change; turn the right adjusting bolt a 1/4 turn counter-clockwise using allen wrench d) Repeat steps b and c until belt is centered IMPORTANT...

  • Page 30: Treadmill Lubrication

    APPENDIX B TREADMILL LUBRICATION Your treadmill should require little maintenance other then periodically applying lubricant. Lubricating under the treadbelt will ensure superior performance and extend its life expectancy. HOW TO CHECK TREADBELT FOR PROPER LUBRICATION Lift one side of the treadbelt and feel the top surface of the treadboard If the surface is (slick) to the touch, then no further lubrication is required If the surface is dry to the touch, apply one packet of lubricant HOW TO APPLY LUBRICANT...

  • Page 31: Reset Switch Resetting

    APPENDIX C Tripped Normal Figure 11 Resetting Reset switch RESET SWITCH RESETTING a) If the red button of reset switch is tripped, it will protrude out from the face of the switch. b) Press in the red button of the switch. c) If the red button of reset switch is not tripped, that means normal.

  • Page 32: Fuse Replacement

    APPENDIX D FUSE Figure 12 Fuse replacement FUSE REPLACEMENT If your treadmill loses power or will not start, check the fuse located on the motor controller. DANGER: Turn the power switch off and unplug the treadmill to reduce the risk of an electric shock Remove the motor cover Remove and replace the fuse on the motor controller Replace the motor cover...

  • Page 33: Speed Sensor Adjustment

    APPENDIX E SPEED SENSOR ADJUSTMENT If the monitor does not display speed or distance the speed sensor and magnet may be misaligned. Follow these steps to check and realign. Remove the motor cover Check the spacing and alignment between the magnet on the right side of the front roller and the speed sensor on the frame.

Table of Contents