ProForm XT90-NT23 Service Manual
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ProForm XT90-NT23 Service Manual

ProForm XT90-NT23 Service Manual

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Summary of Contents for ProForm XT90-NT23

  • Page 1 All manuals and user guides at all-guides.com...
  • Page 2 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 .................

  • Page 5: Table Of Figures

    All manuals and user guides at all-guides.com 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............

  • 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

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com Figure 1 Operational Flowchart...

  • Page 9: Operation

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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.

  • Page 11: Laps

    All manuals and user guides at all-guides.com 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.

  • Page 12: C Function Button I N Main Mode

    All manuals and user guides at all-guides.com 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.

  • Page 13: Run Mode

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com ALIBRATION ROCEDURE CALIBRATION a) Turn on power. b) Press and hold “START” and “FAST” button at the same time. 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

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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.
  • Page 17 All manuals and user guides at all-guides.com 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.
  • Page 18 All manuals and user guides at all-guides.com 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.
  • Page 19 All manuals and user guides at all-guides.com 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.
  • Page 20 All manuals and user guides at all-guides.com 1.Check the 3 pins cable of the incline 1 Position sensor value of incline motor is wrong. INCLINE window displays motor. “----”. TIME window display 1.EEPROM is broken. 1.Replace with new console and calibrate “Err”...
  • Page 21 All manuals and user guides at all-guides.com 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.
  • Page 22 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.

  • Page 24: Controller Debugging Form

    All manuals and user guides at all-guides.com 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.

  • Page 25: Table O F C O N T E N T S Diagrams And Schematics

    All manuals and user guides at all-guides.com DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout...

  • Page 26: Figure 4 Main Controller Information & Voltages

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com Figure 6 Wiring Diagram...

  • Page 28: Treadbelt Adjustment

    All manuals and user guides at all-guides.com 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...

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

    All manuals and user guides at all-guides.com 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;...

  • Page 30: Treadmill Lubrication

    All manuals and user guides at all-guides.com 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...

  • Page 31: Reset Switch Resetting

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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...

  • Page 33: Speed Sensor Adjustment

    All manuals and user guides at all-guides.com 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.

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