Dyaco RT86 - Y75 Service Manual Download Page 8 | Manualshive

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Figure 1 Operational Flowchart

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Summary of Contents for RT86 - Y75

Page 1: ...R RT T8 86 6 Y Y7 75 5 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: ...RT86 Y75 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 SLEEP Mode 7 4 RUN Mode 8 B FUNCTION 9 1 SPEED 9 2 Incline 9 3 TIME 9 4 DISTANCE 10 5 CALORIES 10 6 PULSE 10 7 LAPS 10 8 SCAN 10 C FUNCTION BUTTON IN MAIN MODE 11 1 READY MODE 11 2 SLEEP MODE 12 3 RUN MODE 12...

Page 4: ...Troubleshooting 15 1 General 15 2 Troubleshooting Matrix 16 3 controller debugging form 24 Diagrams and Schematics 25 APPENDIX A 29 1 TREADBELT ADJUSTMENT 29 APPENDIX B 31 1 TREADMILL LUBRICATION 31 APPENDIX C 32 1 RESET SWITCH RESETTING 32 APPENDIX D 33 1 FUSE REPLACEMENT 33 APPENDIX E 34 1 SPEED SENSOR ADJUSTMENT 34 2 SERVICE QUESTIONS 34 ...

Page 5: ...Layout 25 Figure 3 Mechanical Layout 25 Figure 4 Main Controller information voltages 26 Figure 5 Function JK1 connector on Main Controller 26 Figure 6 Wiring Diagram 27 Figure 7 Schematic Diagram 28 Figure 8 If Treadbelt slips 29 Figure 9 If tread belt shifts too far to the Right 29 Figure 10 If tread belt shifts too far to the Left 30 Figure 11 Resetting Reset switch 32 Figure 12 Fuse replacemen...

Page 6: ...se pull safety key away which is red At the some time the treadmill will be stop b Console Interface that control 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 This is a variable speed to control D C motor 90 voltage tha...

Page 7: ... wires red black and green c If there is DC voltage 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 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 w...

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: ... on the console all light will be to light b Console will display current software version in dot matrix window DISTANCE window displays total accumulated working distance TIME window displays total accumulated working time c In READY Mode if user doesn t press any button for 30 minutes it will automatically turn off blank out d Press START button to start treadmill on P0 Manual Mode e Press PROGR...

Page 10: ... pressing the STOP button or pull away the safety key that will cause the treadmill stop instantly and enter OFF Mode b Display will automatically shift every 3 seconds c Press SELECT button to exchange the displaying of LED which includes laps of Track Incline profile and Speed profile d Enter button Exchange display windows ...

Page 11: ...splay the incline position from 0 to 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 In RUN Mode TIME divides into COUNT UP and 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 CO...

Page 12: ...unt up again 5 CALORIES a In RUN Mode CALORIES preset is COUNT UP b DISPLAY range is 0 0 to 999 c WORK range is 0 0 to 999 d In Ready Mode press the START button to save value of distance and entering RUN Mode again that value will continue count up time 6 PULSE a In RUN Mode DISPLAY range is 0 to 999 b WORK range is 40 to 240 7 LAPS a Display your current laps One lap means 0 25mile or 0 4km 8 SC...

Page 13: ... workout summary will be displayed If press Stop button a third time the console will return to the idle mode start up screen If the Stop button is held down for more than 3 seconds the console will reset d PROGRAM UP DOWN button Press PROGRAM UP DOWN button to choose a program e SELECT button None function f ENTER button Press ENTER button to setup parameters g FAST button If user doesn t enter a...

Page 14: ... Enter button Exchange display windows e In SCAN mode display automatically shifts every 3 seconds and the LED light will flash per your current profile f FAST button Press the button to increase your speed and each increase is 0 1mph km If button is pressed continuously then speed increases to MAX SPEED quickly g SLOW button Press the button to decrease your speed and each decrease is 0 1mph km I...

Page 15: ...decrease your incline and each decrease is 1 level If button is pressed continuously then incline decreases to MIN incline quickly j PROGRAM button non function k RAPID SPEED button Speed will set to 2 kph 2 mph 4 kph 4 mph 6 kph 6 mph 8kph 8 mph and 10kph 10 mph quickly l RAPID SPEED button Incline will set to 2 4 6 8 10 position quickly ...

Page 16: ...ill display 2 5 preset value Dot Matrix will display ADJUST WHEEL SIZE THEN PRESS ENTER then adjust the value 2 3 f Set Min speed Press ENTER button to set the minimum speed that will display the value 1 0 in the TIME window Dot Matrix will display ADJUST MIN SPEED THEN PRESS ENTER then adjust the value 0 6 g Set Max speed Press ENTER button to set the high speed that will display the value 10 in ...

Page 17: ...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 18: ... 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 19: ... Please 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 by itself 1 House breaker tripped 2 Treadmill breaker tripped 3 Treadmill controller fuse is broken 4 Treadmill controller shut down and LED w...

Page 20: ...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 21: ... 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 Incline window displays Err 1 Position sensor value of incline motor is wrong 1 Turn off the AC switch and turn on power again 2 Calibrate the monitor Incline window displays Err...

Page 22: ...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 properly 3 The connector of SPEED CABLE UPPER or SPEED ADJUSTMENT SWITCH W CABLE is d...

Page 23: ...an 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 INCLINE ADJUSTMENT SWI...

Page 24: ...onitor 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 with type CR2...

Page 25: ... 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 26: ...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 27: ... Se er rv vi ic ce e M Ma an nu ua al l T Tr ro ou ub bl le es sh ho oo ot ti in ng g M Ma at tr ri ix x Condition Reason Solve DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout ...

Page 28: ...S Se er rv vi ic ce e M Ma an nu ua al l T Tr ro ou ub bl le es sh ho oo ot ti in ng g M Ma at tr ri ix x Figure 4 Main Controller information voltages Figure 5 Function JK1 connector on Main Controller ...

Page 29: ...ER SENSOR W WIRE JK1 BLACK WIRE 200mm MOTOR COMPUTER CABLE MIDDLE COMPUTER CABLE UPPER 12 PIN 1000mm 12 PIN 1000 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 10CM Green Wire Gree...

Page 30: ...S Se er rv vi ic ce e M Ma an nu ua al l T Tr ro ou ub bl le es sh ho oo ot ti in ng g M Ma at tr ri ix x Figure 7 Schematic Diagram ...

Page 31: ...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 32: ... 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 CAUTION DO NOT ALLOW ANYONE TO WALK ON TREADBELT WHILE Y...

Page 33: ...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 34: ... C 3 32 2 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 35: ... 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 36: ...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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