Sears 30427 0, Service Manual

Page 1: ...S Se ea ar rs s 3 30 04 42 27 7 0 0 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 M Ma au ur ri ic ce e P Pi in nc co of ff fs s 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 ...

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

Page 3: ... Contents 1 Table of Figures 4 Description 5 A ELECTRICAL CONFIGURATION 5 1 Sears 30427 0 Treadmill components 5 B GENERAL INFORMATION 6 1 Console 6 2 Main controller 6 3 Treadmill motor 6 4 Incline motor 6 Operation 8 A WINDOW DISPLAY MODE 8 1 OFF Mode 8 2 READY Mode 8 3 SLEEP Mode 8 4 RUN Mode 8 5 FOLDING MODE 8 B FUNCTION 9 1 SPEED 9 2 INCLINE 9 3 TIME 9 4 laps 10 5 DISTANCE 10 6 CALORIES 10 7 ...

Page 4: ... 07 7 1 18 88 80 0 T Ta ab bl le e o of f C Co on nt te en nt ts s 2 2 1 Calibration 14 2 VERIFYING Calibration 15 Troubleshooting 16 1 General 16 2 Troubleshooting 17 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 S...

Page 5: ...CTRICAL CONFIGURATION 5 1 Sears 30427 0 Treadmill components 5 B GENERAL INFORMATION 6 1 Console 6 2 Main controller 6 3 Treadmill motor 6 4 Incline motor 6 Operation 8 A WINDOW DISPLAY MODE 8 1 OFF Mode 8 2 READY Mode 8 3 SLEEP Mode 8 4 RUN Mode 8 5 FOLDING MODE 8 B FUNCTION 9 1 SPEED 9 2 INCLINE 9 3 TIME 9 4 laps 10 5 DISTANCE 10 6 CALORIES 10 7 PULSE 10 8 AUTO FOLDING 11 C FUNCTION BUTTON IN MA...

Page 6: ...1 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 TABLE OF FIGURES Figure 1 Operational Flowchart 7 Figure 2 Console 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 Schemati...

Page 7: ...o board level replacement 1 SEARS 30427 0 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 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 ...

Page 8: ...ADMILL MOTOR a Variable speed reversing 0 90 volt DC motor Has three wires red black and green If there is DC voltage on the Red wire M the treadmill motor will turn clockwise If there is DC voltage on the Black wire M the treadmill motor will turn counter clockwise The higher the voltage the faster the motor turns The greed wire is neutral 4 INCLINE MOTOR a Reversing 110V AC motor Has three wires...

Page 9: ... ar rs s 3 30 04 42 27 7 0 0 T Tr re ea ad dm mi il ll l M Ma au ur ri ic ce e P Pi in nc co of ff fs s D De es sc cr ri ip pt ti io on n 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 NO YES Figure 1 Operational Flowchart D De es sc cr ri ip pt ti io on n 7 7 ...

Page 10: ... the OFF Mode and all windows will appear blank 2 READY MODE a When the treadmill is ON and the SAFETY KEY is inserted on the console the LED display s all windows for 1 second the dot matrix will show Press user WEIGHT and TIME LAPS window displays 155 0bls 3 SLEEP MODE a In SLEEP Mode if START or MODE are pressed then the treadmill enters READY Mode 4 RUN MODE a In RUN Mode pressing the OFF butt...

Page 11: ...12 0 mph d Press FAST or SLOW to adjust speed each increment and decrement is 0 1 mph 2 INCLINE a Displays the incline position from 0 to 10 b DISPLAY range is 0 to 999 c WORK range is 0 to 10 d INCLINE preset value is 0 to 10 e Press UP or DOWN to adjust incline each increment and decrement is 1 3 TIME a TIME divides in to COUNT UP and COUNT DOWN System preset is COUNT UP if user set the time the...

Page 12: ...al working lap quantity LAPS and TIME value display are in the same window and pressing ENTER button will toggle between them b DISPLAY range is 0 to 99 c WORK range is 0 to 99 d Displays total lap quantity 5 DISTANCE a Displays the current speed in Miles per hour b DISPLAY range is 0 00 to 99 9 c WORK range is 0 00 to 99 9 6 CALORIES a Displays the cumulative calories burned at any given time dur...

Page 13: ...hich means the treadmill is ready to be folded b At this time press UP button to fold the treadmill During folding console will continue to have buzzer sound and INCLINE window will display until the running deck folds to top position The buzzer will stop and INCLINE window still displays c During folding you can release the Auto Folding Switch to stop folding treadmill to avoid accidents Press an...

Page 14: ...to reset all screen data d START button Press START button to start the treadmill When pressing START button there will be 3 seconds final count down by a buzzer then machine will start running In MANUAL mode treadmill starts at MIN SPEED and in PROGRAM mode treadmill starts at the program preset value in PROGRAM e ENTER button Press ENTER button to change each function P1 MANUAL can set the time ...

Page 15: ...l reset console c START button non functional d ENTER button Exchange display between TIME and LAPS e FAST button Press the button to increase your speed and each increment is 0 1 mph If the button is pressed continuously then speed increases to MAX SPEED quickly f SLOW button Press the button to decrease your speed and each decrement is 0 1mph If the button is pressed continuously then speed decr...

Page 16: ... LAPS window and the value is En y For km the value is En n f Set Min speed Press FAST or SLOW button to set the minimum speed to 1 0 in the speed window g Set wheel size Press UP or DOWN button to set incline wheel to 2 30 in the incline window h Press START button to keep the above setting and enter next step of the calibration mode i Set high speed Press FAST or SLOW button to set the maximum s...

Page 17: ... Turn on power b Press START and SLOW button at the same time c Insert the SAFETY KEY on the monitor to enter the first step of the verifying mode d SPEED Window should display the incline value of 10 INCLINE Window should display the wheel size to be 2 30 e Press any button to enter next step f SPEED Window should display the maximum speed value of 12 INCLINE window should display the minimum spe...

Page 18: ...18 88 80 0 T Tr ro ou ub bl le es sh ho oo ot ti in ng g 1 16 6 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 cut wires or loose 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 ...

Page 19: ...le came away Breaker tripped Breaker is defective ON OFF switch is defective Plug the power cord into the outlet Plug the power cord into the unit Check the voltage of outlet Replace power cord Check the wire to ensure it is attached Press the small red button to reset the breaker Replace breaker Replace A C switch With power on the treadmill has sound of blowing Varistor is defective on the contr...

Page 20: ...s defective Monitor is defective Different magnet being used on console Replace reed switch Replace monitor Replace magnet with a safety key Pressing the START button the treadmill does not start Motor M or M wire are not in the correct position on the controller Controller is defective No power to motor Motor is defective Please check to ensure the wires are in the correct position on the control...

Page 21: ...ables Replace the cables Replace motor belt Replace controller Replace console Replace motor Monitor displays LS error message after 8 seconds of pressing the START button and treadbelt running 1 The distance between speed sensor cable and magnet are too far apart 2 Magnet not on the front roller 3 Magnet is defective 4 Speed sensor cable is defective 5 Computer cable is not connected properly 6 C...

Page 22: ...reset the treadmill INCLINE window display s Walking Deck position is incorrect VR value of incline motor is incorrect Press AUTO FOLDING SWITCH 56 and DOWN button to lower the running deck then calibrate it See calibration page TIME window display s Err EEPROM is defective on the console Replace console and calibrate it See calibration page Pulse display s automatically without using handpulse or...

Page 23: ...ole Reconnect the cable to the adjustment switch Replace the upper speed cable Replace the adjustment switch with cable UP DOWN button of INCLINE ADJUSTMENT SWITCH is not working The upper incline cable is not connected properly in the console The incline adjustment switch with cable is not properly connected to the upper incline cable The upper incline cable is defective The incline adjustment sw...

Page 24: ...R2032 PULSE stops displaying when using receiver Chest strap is not worn correctly Distance between transmitter and receiver are not with the 100mm range Battery defective Re position the chest strap according to owner s manual Ensure that the distance between the transmitter and receiver is within the range specified Replace the lithium battery CR2032 The incline function is but cannot use the au...

Page 25: ... in the center Tread belt tension not even across tread belt See treadbelt adjustment see Appendix A Tread belt hesitates while being stepped on Insufficient lubricant on tread belt See treadbelt lubrication see Appendix B Black particles collecting under treadmill Drive belt is breaking in Vacuum under treadmill periodically Noise under motor cover Worn brushes or bearings on motor Front roller b...

Page 26: ...ller Replace controller LIMIT Limits the current of the DC motor The current of the motor exceeds 30A the LED will be bright Load on the treadmill is too heavy Do not exceed the weight limit of 330 lbs or 150kgs S_D Controller has unusual shut down S_D light will be bright when controller has unusual shut down Controller defective Turn off power and reset the treadmill Replace controller MOT_DRV M...

Page 27: ...ll l M Ma au ur ri ic ce e P Pi in nc co of ff fs 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 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 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 DIAGRAMS AND SCHEMATICS Figure 2 Console Layout Figure 3 Mechanical Layout ...

Page 28: ...u ur ri ic ce e P Pi in nc co of ff fs 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 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 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 4 Main Controller information voltages Figure 5 Function JK1 connector on Main Controller ...

Page 29: ...M M console 10cm black cable 18cm white cable breaker A C switch red cable MOTOR black cable controller grounded cable green yellow JK1 10cm black cable 12PIN 12PIN computer cable upper 800mm computer cable lower 1000mm sen 10cm green cable green yellow socket connector plug 18cm black cable AC2 JK2 JK3 Inc UP COM DOWN sor cable 1200mm grounded cable green yellow Incline motor 3PIN VR wire white c...

Page 30: ... T Tr re ea ad dm mi il ll l M Ma au ur ri ic ce e P Pi in nc co of ff fs 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 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 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 28 8 Figure 7 Schematic Diagram ...

Page 31: ... A A 2 29 9 APPENDIX A 1 TREADBELT ADJUSTMENT The treadbelt has been factory pre adjusted however if during the operation 1 4 TURN 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 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 b...

Page 32: ...peat steps b and c until belt is centered 30 79 31 79 1 4 TURN 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 e Repeat steps b and c until belt is centered IMPORTANT DO ...

Page 33: ...board 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 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...

Page 34: ...I IX X C C 1 1 8 88 88 8 7 70 07 7 1 18 88 80 0 A AP PP PE EN ND DI IX X C C 3 32 2 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 35: ...07 7 1 18 88 80 0 A AP PP PE EN ND DI IX X D D 3 33 3 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 cov...

Page 36: ...SOR 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 The spacing must be 1 8 Loosened screw and slide speed sensor in or out of clamp Retighten screw Replac...