Dyaco 1622738 Service Manual
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Dyaco 1622738 Service Manual

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Summary of Contents for Dyaco 1622738

  • 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 1. 1622738 Treadmill components ........4 ..........5 ENERAL NFORMATION 1. Console ................. 5 2. Main controller.............. 5 3. Treadmill motor ............5 4.
  • Page 4 Troubleshooting ..............17 1. General................ 17 2. Troubleshooting Matrix ..........18 Diagrams and Schematics ............27 APPENDIX A................. 32 1. TREADBELT ADJUSTMENT........32 APPENDIX B ................. 34 1. TREADMILL LUBRICATION ......... 34 APPENDIX C ................. 35 1. RESET SWITCH RESETTING ......... 35 APPENDIX D.................
  • Page 5 TABLE OF FIGURES Figure 1 Operational Flowchart ..........8 Figure 2 Console Layout............27 Figure 3 Mechanical Layout ..........28 Figure 4 Main Controller information & voltages....29 Figure 5 Function JK1 connector on Main Controller... 29 Figure 6 Wiring Diagram............30 Figure 7 Schematic Diagram ..........

  • Page 6: Treadmill Components

    DESCRIPTION LECTRICAL ONFIGURATION Note: Electrical servicing of this treadmill is limited to board level replacement. 1. 1622738 TREADMILL COMPONENTS a) Safety key: Magnetic key that fits in the Console to activate all functions. b) Console: Interface that controls all functions of the treadmill.

  • Page 7: Main Controller

    ENERAL NFORMATION 1. CONSOLE a) Contains touch controls and LCD windows Display. 2. MAIN CONTROLLER a) Contains power supply and control circuits. 3. TREADMILL MOTOR a) Variable speed 0-110 volts DC motor. Have three wires, red, white and green. b) If there is DC voltage on the Red wire (M+) the treadmill motor will turn clockwise.
  • Page 8 The White wire (COM) is neutral. g) The Green wire is ground.

  • Page 10: Figure 1 Operational Flowchart

    Figure 1 Operational Flowchart...

  • Page 11: Operation

    OPERATION INDOW ISPLAY 1. OFF MODE a) When user doesn’t insert the SAFETY KEY on the console, the treadmill enters the OFF Mode and all windows will appear blank. 2. READY MODE a) When the treadmill is ON and the SAFETY KEY is inserted in console, the dot matrix will show “SELECT PROGRAM”.

  • Page 12: Speed

    UNCTION 1. SPEED a) Displays the current speed in Kilometer per hour. b) DISPLAY range is 0.0 to 99.9 km. c) WORK range is 1.0 to 16.0 km. d) Press “FAST” or ”SLOW” to adjust speed, each increment and decrement is 0.1 km. 2.

  • Page 13: Program/Laps

    In RUN Mode, press “STOP” button to save value of time and enter “RUN Mode” again that value will continue count up time. 4. PROGRAM/LAPS a) Display the total working lap quantity, LAPS and PROGRAM state display in same window and pressing “MODE”...
  • Page 14 Displays the heart beat by using hand pulse or receiver. If use receiver, then a chest belt must be worn. a) DISPLAY range is 0 to 999. b) WORK range is 60 to 220. c) In RUN Mode, if the treadmill doesn’t have a signal for 8 seconds then display value will become “P”.

  • Page 15: Ready Mode

    UNCTION UTTON 1. READY MODE a) 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. b) STOP button: Non-function. c) START button: Press “START” button to start training. When pressing “START”...

  • Page 16: Run Mode

    k) UP button: If user doesn’t enter a setting then this button is non-functional. DOWN button: If user doesn’t enter a setting then this button is non-functional. m) SPEED RAPID button: Non-function. n) INCLINE RAPID button: Non-function. 2. RUN MODE a) SAFETY KEY: When safety key is pulled away from its position, the computer will be automatically shut down.
  • Page 17 DOWN button: Press the button to raise position and each increase is 1, the minimum incline position is 0. m) SPEED RAPID button: Speed will set to 3 kph, 5 kph, 7 kph, 9 kph, and 11 kph quickly. n) INCLINE RAPID button: Incline will set to 2, 4, 6, 8, 10 position quickly.

  • Page 18: Calibration

    ALIBRATION ROCEDURE 1. CALIBRATION a) Turn on power. b) Press and hold “START” and “MODE” button at the same time. c) Inserts the SAFETY KEY on console, all windows will appear blank. d) Km/Mile Mode: Press “STOP” button to exchange to Kilometer Mode in SPEED window and the value is km.

  • Page 19: Troubleshooting

    TROUBLESHOOTING WARNING: ALWAYS UNPLUG 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 safely positioned and/or secured away from moving parts.

  • Page 20: Troubleshooting Matrix

    2. 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 21 properly. again. 4 12PIN computer cable is broken. 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 22 be ON. power again. After removing safe key, 5 Reed switch of console is broken. 5 Replace reed switch or console. treadmill can’t stop. LEDs not bright, 1 LED light is broken or power to console too low. 1 Replace LED or console. incomplete or imperfect.
  • Page 23 button to start treadmill, speed sensor and magnet. running belt is running but 2. Magnet missing. 2 Replace a magnet. window displays “LS” 3. Magnet de-magnetized. 3 Use metal material to test the magnet. error message after 8 4. Speed sensor cable is broken. (short) 4 Replace sensor cable.
  • Page 24 displays “E2”. power again. 2 Calibrate the monitor. INCLINE window 1 Position sensor value of incline motor is wrong. 1 Turn off power and reset the treadmill. displays “E2” during training. INCLINE window 1 Position sensor value of incline motor is wrong. 1 Check the 3 pins cable of the incline displays “----”.
  • Page 25 broken. Speed button just can 5 The connector of SPEED CABLE (UPPER) or is 5 Replace cable. press FAST, can’t press SPEED ADJUSTMENT SWITCH/W/CABLE SLOW. damage. 6 Replace cable. Speed button just can 6 The connector of SPEED CABLE (UPPER) or press SLOW, can’t press SPEED ADJUSTMENT SWITCH/W/CABLE FAST.
  • Page 26 press UP, can’t press INCLINE ADJUSTMENT SWITCH CABLE DOWN. got damage. Incline button just can 6 The connector of INCLINE CABLE (UPPER) or 6 Replace the cable. press DOWN, can’t press INCLINE ADJUSTMENT SWITCH CABLE damaged. Hand pulse lost its 1 Hands not on the hand pulse sensor or only one 1 Two hands hold the hand pulse.
  • Page 27 Tread belt does not run in 1 Tread belt tension not even across tread belt. 1 See treadbelt adjustment center. (see Appendix A) Tread belt hesitates while 1 Insufficient lubricant on tread belt. 1See treadbelt lubrication (see Appendix B) being stepped on. Tread belt tension insufficient.
  • Page 28 ndicator signal Function Condition: LED ON Reason Solve Motor speed When motor running, the light would Don’t have input. Replace controller. be getting light or dark in accordance with speed. POWER Controller power The DC voltage is normal it would be Voltage is not correctly.

  • Page 29: Diagrams And Schematics

    DIAGRAMS AND SCHEMATICS Figure 2 Console Layout...

  • Page 30: Figure 3 Mechanical Layout

    Figure 3 Mechanical Layout...

  • Page 31: Figure 4 Main Controller Information & Voltages

    Figure 4 Main Controller information & voltages Figure 5 Function JK1 connector on Main Controller...

  • Page 32: Figure 6 Wiring Diagram

    Figure 6 Wiring Diagram...

  • Page 33: Figure 7 Schematic Diagram

    Figure 7 Schematic Diagram...

  • Page 34: Treadbelt Adjustment

    APPENDIX A 1. 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 TU RN Figure 9 If tread belt shifts too far to the Right a) Set the treadmill speed to 3.5 mph/5.6 km.

  • Page 35: Figure 10 If Tread Belt Shifts Too Far To The Left

    c) Wait 15 seconds: if no change; turn the left adjusting bolt a 1/4 turn counter-clockwise using allen wrench e) Repeat steps b and c until belt is centered 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.

  • Page 36: Treadmill Lubrication

    APPENDIX B 1. 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 37: Reset Switch Resetting

    APPENDIX C Tripped Normal Figure 11 Resetting 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 of reset switch is not tripped, that means normal.

  • Page 38: Figure 12 Fuse Replacement

    APPENDIX D Figure 12 Fuse replacement 1. 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 39: Speed Sensor Adjustment

    APPENDIX E 1. 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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