Dyaco X8-A45 Service Manual
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Dyaco X8-A45 Service Manual

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Summary of Contents for Dyaco X8-A45

  • Page 2 WARNING: ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL OUTLET BEFORE SERVICING THE UNIT.
  • Page 3 TABLE OF CONTENTS Table of Contents..............1 Description ................3 ........3 LECTRICAL ONFIGURATION 1. X8-A45 Treadmill components ........3 ..........4 ENERAL NFORMATION 1. Console ...............4 2. Main controller............4 3. Treadmill motor ............4 4. Incline motor...............4 Operation ................6 ..........6 INDOW ISPLAY 1. OFF Mode..............6 2.
  • Page 4 3. controller debugging form......... 20 Diagrams and Schematics ............. 21 APPENDIX A ..............25 1. TREADBELT ADJUSTMENT......... 25 APPENDIX B ..............27 1. TREADMILL LUBRICATION ........ 27 APPENDIX C ..............28 1. RESET SWITCH RESETTING ........ 28 APPENDIX d ............... 29 1.

  • Page 5: Description

    DESCRIPTION LECTRICAL ONFIGURATION Note: Electrical servicing of this treadmill is limited to board level replacement. X8-A45 TREADMILL COMPONENTS Safety key: Magnetic key that fits in the Console to activate all functions. Console: Interface that controls all functions of the treadmill.

  • Page 6: Console

    ENERAL NFORMATION CONSOLE Contains touch controls and LCD Display. MAIN CONTROLLER Contains power supply and control circuits. TREADMILL MOTOR Variable speed reversing 0-110 volt DC motor. Have three wires red, black and green. If there is DC voltage on the Red wire (M+) the treadmill motor will turn clockwise.
  • Page 7 Figure 1 Operational Flowchart...

  • Page 8: Operation

    OPERATION INDOW ISPLAY OFF MODE When user doesn t insert the SAFETY KEY on the console, the treadmill enters the OFF Mode and all windows will appear blank. READY MODE When the treadmill is ON and SAFETY KEY is inserted in console. Press ST/SP button to start treadmill on P0 (manual) Mode.

  • Page 9: Speed

    UNCTION SPEED Displays the current speed in Kilometer per hour. DISPLAY range is 0.0 to 99.9 MPH. WORK range is 0.5 to 10 Mile. Press FAST or SLOW to adjust speed, each increment and decrement is 0.1 M. INCLINE Display the incline position from 0 to 10. WORK range is 0 to 10.

  • Page 10: Program

    PROGRAM After users turn on the power, the window display P0 (manual)~P5. Press Fast/Slow button to select program P1 ~ P.5. DISTANCE Displays the current distance in kilometer. DISPLAY range is 0.00 to 99.99. WORK range is 0.00 to 99.99 CALORIES Displays the cumulative calories burned at any given time during your workout.

  • Page 11: Ready Mode

    UNCTION UTTON READY MODE SAFETY KEY: Put safety key in position to power on the computer. When safety key is pulled away from its position, the computer will be automatically shut down. ST/SP button: Pressing ST/SP button to start treadmill, When pressing ST/SP button, there will be 3 second final count down on window display, then machine starts running.

  • Page 12: Speed Calibration Procedure

    PEED ALIBRATION SPEED CALIBRATION PROCEDURE Turn on power. Press and hold ST/SP and FAST button at the same time. Inserts the SAFETY KEY on console, all windows will appear blank. Km/Mile Mode: Press MODE button to exchange to Kilometer Mode in SPEED window and the value is km. Set wheel size: Press FAST or SLOW button to adjust SPEED window to 1.84.

  • Page 13: Troubleshooting

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

  • Page 14: 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 15 4 Replace 12PIN computer cable. 5 Varistor on controller is blown. 5 Replace varistor or controller. 6 Reed switch of console is broken. (open) 6 Replace reed switch or console. 7 Other components are faulty. 7 Replace console. With no safe key but 1 Reed switch of console is broken.
  • Page 16 LCDs not bright, 1. LCD light is broken. 1. Replace with new LCD or console. incomplete or imperfect. 2. Power to console too low. 2. Check AC power is 110-120V. 3. Check power to console. 4.Replace lower controller. LCD displays not bright, 1.
  • Page 17 6. Plug the cable again on controller, *Speed sensor cable was broken,(open) console can t 7. 12 PIN computer cable is broken. connector and console. receive the speed. 7. Gray and purple wires got damage, 8. Console is broken. replace the wires. 8.
  • Page 18 After pressing START 1 Controller is broken. 1 Turn off the AC switch and turn on power button, the treadmill stops again. immediately. 2 Replace controller and calibrate it. Erratic pulse display. 1. Another chest belt in use around treadmill. 1.
  • Page 19 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. Speed button just can press FAST, can t press SLOW. 6. Replace with new cable. Speed button just can press SLOW, can t press FAST.
  • Page 20 INCLINE ADJUSTMENT SWITCH CABLE damaged. Hand pulse lost its function. 1. Hands not on the hand pulse sensors or only one hand on 1. Two hands hold the hand pulse. (No pulse displayed on sensor. monitor) 2. The connector of HANDPULSE W/WIRE and Console not 2.
  • Page 21 Black particles collecting Drive belt is breaking in. Vacuum under treadmill periodically. under treadmill. Noise under motor cover. 1. Worn brushes or bearings on motor. 1. Replace with new motor. 2. Front roller bearings are defective. 2. Replace with new front roller. 3.

  • Page 22: 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. POWER Controller power If DC voltage is normal, it would be Check the supply voltage is 110-120V.

  • Page 23: Diagrams And Schematics

    DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout...
  • Page 24 Figure 4 Main Controller information & voltages Figure 5 Function JK1 connector on Main Controller...
  • Page 25 CONSOLE 12PIN 800mm Upper Connection PLUG Black Brown DOWN CONNECTOR BREAKER Orange (FEMALE) Yellow FAST Green SLOW AC SWITCH Blue 12pin male Purple Gray 12pin female White Light blue White wire Pink Black wire JS-15B Incline Motor 3pin VR cable Red Wire White Wire Blcak Wire...
  • Page 26 Figure 7 Schematic Diagram...

  • Page 27: Appendix A

    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 TUR N Figure 9 If tread belt shifts too far to the Right a) Set the treadmill speed to 3.5 mph /5.6 km.
  • Page 28 1/4 TU R 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 29: Appendix B

    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 30: Appendix C

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

  • Page 31: Appendix D

    APPENDIX D 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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