ProForm XT90-NT23 Service Manual Download Page 21

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Speed button just can press 
FAST, can’t press SLOW. 
 
Speed button just can press 
SLOW, can’t press FAST. 

damaged. 

4. Button of SPEED ADJUSTMENT SWITCH is broken. 
5. The connector of SPEED CABLE (UPPER) or SPEED 

ADJUSTMENT SWITCH/W/CABLE is damaged. 

6. The connector of SPEED CABLE (UPPER) or SPEED 

ADJUSTMENT SWITCH/W/CABLE is damaged. 

 
 
4. Replace with new buttons.  
 
5. Replace with new cable. 
 
 
6. Replace with new cable.  

UP/DOWN button of 
INCLINE ADJUSTMENT 
SWITCH can’t be used. 

 
 
Incline button just can 
press UP, can’t press 
DOWN. 
Incline button just can press 
DOWN, can’t press UP. 

 

1 The connector of INCLINE CABLE (UPPER) 

and CONSOLE not connected properly. 

2. The connector of INCLINE CABLE (UPPER) 
and INCLINE ADJUSTMENT SWITCH W/CABLE not 
connected properly. 
 
3 The connector of INCLINE CABLE (UPPER) or 

INCLINE ADJUSTMENT SWITCH CABLE 
got damage. 
4. Button of INCLINE ADJUSTMENT SWITCH is broken. 
5. The connector of INCLINE CABLE (UPPER) or 

1 Connect the wires again. 
 
2. Connect the wires again. 
 
 
3. Replace the cable. 
 
 
4. Replace buttons. 
 
5. Replace the cable. 

All manuals and user guides at all-guides.com

all-guides.com

Summary of Contents for XT90-NT23

Page 1: ...X XT T9 90 0 N NT T2 23 3 T Tr re ea ad dm mi il ll l S Se er rv vi ic ce e M Ma an nu ua al l All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...WARNING ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL OUTLET BEFORE SERVICING THE UNIT All manuals and user guides at all guides com...

Page 3: ...nsole 5 2 Main controller 5 3 Treadmill motor 5 4 Incline motor 5 Operation 7 A WINDOW DISPLAY MODE 7 1 DISPLAY Mode 7 2 READY Mode 7 3 RUN Mode 7 B FUNCTION 8 1 SPEED 8 2 Incline 8 3 TIME 8 4 LAPS 9...

Page 4: ...nt te en nt ts s 2 2 Diagrams and Schematics 23 APPENDIX A 26 1 TREADBELT ADJUSTMENT 26 APPENDIX B 28 1 TREADMILL LUBRICATION 28 APPENDIX C 29 1 RESET SWITCH RESETTING 29 APPENDIX D 30 1 FUSE REPLACE...

Page 5: ...anical 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 Figure 8 If Treadbelt slip...

Page 6: ...e that controls all functions of the treadmill c Main controller The circuit board consist of the DC power supply for console incline driver and DC motor driver link the console to output appropriate...

Page 7: ...the Red wire M the treadmill motor will turn clockwise d If there is DC voltage on the Black wire M the treadmill motor will turn counter clockwise e The higher the voltage the faster the motor turns...

Page 8: ...S Se er rv vi ic ce e M Ma an nu ua al l D De es sc cr ri ip pt ti io on n D De es sc cr ri ip pt ti io on n 6 6 Figure 1 Operational Flowchart All manuals and user guides at all guides com...

Page 9: ...l enters the DISPLAY Mode 2 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 b Press START button...

Page 10: ...is 0 to 999 c WORK range is 0 to 15 d INCLINE preset value is 0 to 15 e Press UP or DOWN to adjust incline each increment and decrement is 0 5 3 TIME a TIME is either COUNT UP or COUNT DOWN System pr...

Page 11: ...c WORK range is 0 00 to 99 99 6 CALORIES a Displays the cumulative calories burned at any given time during your workout b DISPLAY range is 0 0 to 999 0 c WORK range is 0 0 to 999 7 PULSE a Displays...

Page 12: ...g time and speed Heart Rate Control 1 2 can set time age and the value of heart rate User Program 1 2 can set time speed and incline e PROGRAM button Press PROGRAM button to select manual preset progr...

Page 13: ...ncrease your speed and each increase is 0 1mph If button is pressed continuously then speed increases to MAX SPEED quickly h SLOW button Press the button to decrease your speed and each decrease is 0...

Page 14: ...ove setting and enter next section of setting mode g Set Min speed Press FAST or SLOW button to adjust SPEED window to 0 5 h Press ENTER button to memorize above setting and enter next section of sett...

Page 15: ...UG THE TREADMILL FROM THE ELECTRICAL OUTLET BEFORE SERVICING THE UNIT 1 GENERAL a Do a visual check of all wiring and connections looking for chafed wires or lose connections b Make sure any wiring is...

Page 16: ...unit 3 Check the voltage of outlet 4 Replace power cord 5 Replace power cord 6 Check if wire is disconnected connect it again 7 Press the small red button to return to original status 8 Replace break...

Page 17: ...tic component beside safe key When press START treadmill doesn t start 1 Motor M or M wire isn t connected into right position 2 Controller is broken No power to motor 3 Motor is broken 4 Treadmill co...

Page 18: ...onds 1 Controller experienced unusual shut down the S_D light will be always bright Controller debugging form 2 Motor wires red black aren t plugged into controller 3 Computer cables not connected pro...

Page 19: ...rple wires got damage replace the wires 8 Replace console SPEED windows display is not 1 0 to 18 0 km Monitor is not calibrated Calibrate the console INCLINE windows display is not 0 to 15 1 Console i...

Page 20: ...t belt in use around treadmill 2 Other magnetic field disturbance 3 Receiver is broken 1 Check for other chest belt use around treadmill 2 Change the position or direction of treadmill 3 Replace with...

Page 21: ...6 Replace with new cable UP DOWN button of INCLINE ADJUSTMENT SWITCH can t be used Incline button just can press UP can t press DOWN Incline button just can press DOWN can t press UP 1 The connector o...

Page 22: ...le 4 Hand pulse board is broken 1 Two hands hold the hand pulse 2 Connect the cable again 3 Replace with new cable 4 Replace console or Hand pulse board Wireless lost its function No pulse displayed o...

Page 23: ...A Black particles collecting under treadmill Drive belt is breaking in Vacuum under treadmill periodically Noise under motor cover 1 Worn brushes or bearings on motor 2 Front roller bearings are defe...

Page 24: ...xceed 15A the LCD will turn on If LIMIT light is bright for 3 to 5 seconds the S_D light will turn on Loading is too high on belt Operation is not correct motor lock Check mechanical drive system is n...

Page 25: ...g gr ra am ms s a an nd d S Sc ch he em ma at ti ic cs s D Di ia ag gr ra am ms s a an nd d S Sc ch he em ma at ti ic cs s 2 23 3 DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical La...

Page 26: ...ma at ti ic cs s 2 24 4 Figure 4 Main Controller information voltages Figure 5 Function JK1 connector on Main Controller M TO MOTOR RED WIRE M TO MOTOR BLACK WIRE SPEED SENSOR INCLINE UP RED WIRE INCL...

Page 27: ...a an nu ua al l D Di ia ag gr ra am ms s a an nd d S Sc ch he em ma at ti ic cs s D Di ia ag gr ra am ms s a an nd d S Sc ch he em ma at ti ic cs s 2 25 5 Figure 6 Wiring Diagram All manuals and user...

Page 28: ...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 b Tigh...

Page 29: ...ft 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...

Page 30: ...he surface is dry to the touch apply one packet of lubricant HOW TO APPLY LUBRICANT 1 Lift one side of treadbelt 2 Pour one half of the lubricant bottle under the center of the treadbelt on the top su...

Page 31: ...ting Reset switch 1 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 o...

Page 32: ...PLACEMENT 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 sho...

Page 33: ...sor 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 s...

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