Dyaco Z8b-Y69 Service Manual Download | Manualshive

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Figure 7 Schematic Diagram

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Summary of Contents for Z8b-Y69

Page 1: ...Z Z8 8b b Y Y6 69 9 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 ...

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

Page 3: ...Treadmill components 4 B GENERAL INFORMATION 5 1 Console 5 2 Main controller 5 3 Treadmill motor 5 4 Incline motor 5 Operation 7 A WINDOW DISPLAY MODE 7 1 OFF Mode 7 2 READY Mode 7 3 RUN Mode 7 B FUNCTION 8 1 SPEED 8 2 Incline 8 3 TIME 8 4 PROGRAM 9 5 DISTANCE 9 6 CALORIES 9 7 PULSE 9 C FUNCTION BUTTON IN MAIN MODE 10 1 READY MODE 10 2 RUN MODE 11 D CALIBRATION PROCEDURE 12 1 Calibration 12 Troubl...

Page 4: ... C Co on nt te en nt ts s 2 2 3 controller debugging form 22 Diagrams and Schematics 23 APPENDIX A 27 1 TREADBELT ADJUSTMENT 27 APPENDIX B 29 1 TREADMILL LUBRICATION 29 APPENDIX C 30 1 RESET SWITCH RESETTING 30 APPENDIX D 31 1 FUSE REPLACEMENT 31 APPENDIX E 32 1 SPEED SENSOR ADJUSTMENT 32 2 SERVICE QUESTIONS 32 ...

Page 5: ...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 26 Figure 8 If Treadbelt slips 27 Figure 9 If tread belt shifts too far to the Right 27 Figure 10 If tread belt shifts too far to the Left 28 Figure 11 Resetting Reset switch 30 Figure 12 Fuse replacemen...

Page 6: ...Safety key that fits in the Console to activate all functions b Console Interface that controls all functions of the treadmill c Main controller A circuit board that incorporates the DC power supply and takes input from the console and sends out appropriate voltages that control the treadmill functions d Treadmill motor A variable speed reversing 0 90 volt D C motor that powers the main running be...

Page 7: ...e on 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 f The green wire is ground 4 INCLINE MOTOR a Reversing 115 volts AC motor b Have four wires red black white and green c Has one 3 pins cable of position sensor d If there is AC voltage on the Red...

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 ...

Page 9: ...ll enters the OFF Mode and LCD windows will display Please install safety key to start 2 READY MODE a When the treadmill is ON and SAFETY KEY is inserted in console b Press START button to start treadmill on P0 Manual Mode c Press PROGRAM UP DOWN button to select program P1 H2 3 RUN MODE a In RUN Mode pressing the STOP button and removing the SAFETY KEY will cause the treadmill stop instantly and ...

Page 10: ...o 15 b DISPLAY range 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 1 3 TIME a TIME is either COUNT UP or COUNT DOWN System preset is COUNT UP if user sets the time then timer is COUNT DOWN b DISPLAY range is 0 00 to 99 99 c WORK range is 0 00 to 99 59 d COUNT DOWN setup range is 10 00 to 99 00 e When TIME ...

Page 11: ... 00 to 99 99 c WORK range is 0 00 to 999 9 d COUNT DOWN setup range is 0 10 to 99 90 6 CALORIES a Displays the cumulative calories burned at anygiven time during your workout b DISPLAY range is 0 0 to 999 0 c WORK range is 0 0 to 999 0 d COUNT DOWN setup range is 1 0 to 999 0 7 PULSE a Displays the heart beat by using hand pulse or receiver If use receiver then a chest belt must be worn b DISPLAY ...

Page 12: ...rams preset value in PROGRAM d Enter button Press Enter button to set up parameters e SELECT button Non function f PROGRAM UP DOWN button Press PROGRAM UP DOWN button to select program P1 H2 g FAST button If user doesn t enter a setting then this button is non functional h SLOW button If user doesn t enter a setting then this button is non functional i UP button If user doesn t enter a setting the...

Page 13: ...ch increase is 0 1 mph 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 1kph If button is pressed continuously then speed decreases to MIN SPEED quickly i UP button Press the button to raise position and each increase is 1 the maximum incline position is 10 j DOWN button Press the button to rais...

Page 14: ... next step e Set wheel size Press UP or DOWN button to adjust Message window to 2 3 Press the ENTER button to the next step f Set Min speed Press FAST or SLOW button to adjust Message window to 0 6 Press the ENTER button to the next step g Set high speed Press FAST or SLOW button to adjust Message window to 10 0 Press the ENTER button to the next step h Set high incline position Press UP or DOWN b...

Page 15: ...TING 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 c If you find a fuse blown on a circuit board replace the circuit board ...

Page 16: ... outlet 2 Plug the power cord into 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 breaker 9 Replace A C switch When insert safe key no display on monitor 1 Haven t switch ON OFF switch 2 12PIN Computer connector not plugged in properly 3 12PIN computer ...

Page 17: ...ease check and plug again 2 Replace controller or MOSFET IRFP 250 and add the Silicone Heat Sink Paste suitably 3 Replace motor or check the wire and connector if it was broken 4 Turn off the AC switch and turn on power again Treadmill stops or shuts off byitself 1 House breaker tripped 2 Treadmill breaker tripped 3 Treadmill controller fuse is broken 4 Treadmill controller shut down and LED would...

Page 18: ...otor belt is broken 6 Controller is broken 7 Motor is broken 8 Console is broken 1 Turn off power and reset the treadmill 2 Plug wires again 3 Plug the wire again on controller connector and console 4 Replace with new wires 5 Replace with new motor belt 6 Replace with new controller 7 Replace with new motor 8 Replace with new console When press START button to start treadmill running belt is runni...

Page 19: ...0 to 15 1 Console is not calibrated 1 Calibrate the console The speed of the belt doesn t match console display 1 Console is not calibrated 1 Calibrate the console The incline position doesn t match console 1 Console is not calibrated 1 Calibrate the console LCD window displays ELV STALL ERROR 1 Position sensor value of incline motor is wrong 1 Turn off the AC switch and turn on power again 2 Cali...

Page 20: ...direction of treadmill 3 Replace with new receiver After pressing START button the treadmill stop immediately Controller was broken Replace with new controller and calibrate it FAST SLOW button of SPEED ADJUSTMENT SWITCH can t be used 1 The connector of SPEED CABLE UPPER and CONSOLE not connected properly 2 The connector of SPEED CABLE UPPER and SPEED ADJUSTMENT SWITCH W CABLE not connected proper...

Page 21: ...P 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 INCLI...

Page 22: ...splayed on monitor 1 Chest belt not worn properly 2 Distance is too far and exceeds range of receiver 3 Chest belt battery is weak or dead 1 Check chest belt has proper contact with skin and is oriented correctly 2 User chest belt in front of console within 3 feet 3 Replace with new lithium battery type is CR2032 Chest belt too close to the treadmill Weak battery Replace with new lithium battery w...

Page 23: ...or cover 1 Worn brushes or bearings on motor 2 Front roller bearings are defective 3 Drive belt is misadjusted too tight or too loose 1 Replace with new motor 2 Replace with new front roller 3 Adjust motor position Noise in the rear of the treadmill 1 Rear roller bearings are defective 2 Rear roller misaligned 1 Replace with new rear roller 2 Adjust rear roller position ...

Page 24: ...motor When current of motor exceed 23A 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 not locked or jammed Replace controller Replace motor SHUT_DOWN Controller shut down If controller has unusual shut down the S_D light will be always bright Motor lock LIMI...

Page 25: ... 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 23 3 DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout ...

Page 26: ...l 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 24 4 Figure 4 Main Controller information voltages Figure 5 Function JK1 connector on Main Controller ...

Page 27: ...ABLE LOWER SENSOR W WIRE JK1 BLACK WIRE 300mm MOTOR COMPUTER CABLE MIDDLE COMPUTER CABLE UPPER 12 PIN 800mm 12 PIN 1200 mm INCLINE UP DOWN 3 PIN INCLINE COMPUTER CABLE WHITE WIRE BLACK WIRE RED WIRE COM JK4 12 1 7 11 10 9 8 4 5 6 2 3 JK1 Pink VR3 Black S W Purple Gray White Blue Light blue Green Orange Yellow Brown Red GNP SPD SPD VR1 VR2 DOWN FAST VCC SLOW UP GROUND WIRE GROUND WIRE 12 PIN 1300mm...

Page 28: ...Se er rv vi ic ce e M Ma 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 26 6 Figure 7 Schematic Diagram ...

Page 29: ...t 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 b Tighten the right adjusting bolt a 1 4 turn clockwise using allen wrench c Wait 15 seconds if no change turn the left adjusting bolt a 1 4 turn counter clockwise using allen wrench...

Page 30: ...o 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 e Repeat steps b and c until belt is centered IMPORTANT DO NOT OVERTIGHTEN TREADBELT If treadbelt is overtightened edges of treadbelt will begin to curl CA...

Page 31: ...required If the 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 surface of the treadboard 3 Walk on the treadmill at a slow speed for 3 to 5 minutes to evenly distribute lubricant NOTE DO NOT over lubricate treadboard Any excess lubricant that comes out...

Page 32: ... C 3 30 0 APPENDIX C 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 Tripped Normal ...

Page 33: ... 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 34: ...r 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 The spacing must be 1 8 Loosened screw and slide speed sensor in or out of clamp Retighten screw Replace the motor cover 2 SERVICE QUESTIONS ...

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