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ST95-YT007

Treadmill

Service Manual

(110~120V & 220~230V)

Содержание ST95-YT007

Страница 1: ...S Se er rv vi ic ce e M Ma an nu ua al l ST95 YT007 Treadmill Service Manual 110 120V 220 230V ...

Страница 2: ... Controller Indicator LED Debugging 6 8 Driver Board Function 7 Product Safety Instructions 7 1 Important Safety Instructions 7 2 Important Electrical Instructions 7 3 Important Grounding Instructions 8 Error Messages and Troubleshooting for electronic Issues 8 1 Error Message LS1 LOW SPEED 8 2 Error Message E1 RAM ERROR 8 3 Error Message INCLINE E2 8 4 Circuit diagram 8 5 Calibration Procedure 8 ...

Страница 3: ...2 2 Console Replacement 12 3 Motor Replacement 12 4 Power Cord Replacement 12 5 AC Power Switch Replacement 12 6 Front Rear Roller Replacement 12 7 Running Deck Belt Cushion Replacement 12 8 Speed Sensor Replacement 12 9 Incline Motor Replacement ...

Страница 4: ...S Se er rv vi ic ce e M Ma an nu ua al l 3 1 ST95 Treadmill Outlines ...

Страница 5: ...S Se er rv vi ic ce e M Ma an nu ua al l 5 Console Cooling FAN Speaker ...

Страница 6: ...S Se er rv vi ic ce e M Ma an nu ua al l 6 2 Electronic Parts ...

Страница 7: ...S Se er rv vi ic ce e M Ma an nu ua al l 7 2 1 Upper Controllers ...

Страница 8: ...S Se er rv vi ic ce e M Ma an nu ua al l 8 2 2 Lower Controller and Driver Driver System Motor Controller Incline Motor SPEED SENSOR DC MOTOR Motor Controller Incline Motor VR ...

Страница 9: ...S Se er rv vi ic ce e M Ma an nu ua al l 9 3 Electrical Configurations ...

Страница 10: ...iver link the console to output appropriate voltages for motor that control the treadmill functions TREADMILL MOTOR This is a variable speed for DC motor To control the 0 90 voltages on the main controller it can to increase or decrease speed of running belt INCLINE MOTOR This is an ac motor User can to control variable elevation by console within main controller GENERAL INFORMATION CONSOLE Contai...

Страница 11: ...re M the treadmill motor will turn counter clockwise The higher the voltage the faster the motor turns The green wire is ground INCLINE MOTOR This is a 120 volt AC motor Have four wires red black white and green Has one 3 pins cable of position sensor If there is AC voltage on the Red wire UP the incline motor will increase the incline If there is AC voltage on the Black wire DOWN the incline moto...

Страница 12: ...S Se er rv vi ic ce e M Ma an nu ua al l 12 4 ST95 Treadmill Product Operation ...

Страница 13: ...S Se er rv vi ic ce e M Ma an nu ua al l 13 Display Windows 5 5 LCD Display ...

Страница 14: ...S Se er rv vi ic ce e M Ma an nu ua al l 14 LCD Layout ...

Страница 15: ...PEED UP OR DOWN KEY TO SELECT A PROGRAM Press START button to start treadmill on Manual Mode SLEEP Mode In SLEEP Mode if anyone button is pressed then the treadmill enters READY Mode RUN Mode In RUN Mode pressing the STOP button and removing the SAFETY KEY will cause the treadmill stop instantly and enter OFF Mode Function SPEED Display the current speed in Kilometer mile per hour DISPLAY range is...

Страница 16: ...ton to save value of time and enter RUN Mode again that value will continue count up time LAPS Display the total working laps quantity DISPLAY range is 0 to 99 WORK range is 0 to 99 Displays total laps quantity DISTANCE Display the current distance in kilometer or Mile DISPLAY range is 0 00 to 99 9 WORK range is 0 00 to 99 9 CALORIES Displays the cumulative calories burned at any given time during...

Страница 17: ...ic ce e M Ma an nu ua al l 17 Function Button Locations Speed quick keys 1 2 4 6 8 10 Incline quick keys 2 4 6 8 10 12 Fan Key Cooling fan switch on or off Function Key Set data function Safety Key Emergency function ...

Страница 18: ...If user doesn t enter a setting then this button is non functional SLOW button If user doesn t enter a setting then this button is non functional 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 SPEED RAPID button 5 preset buttons for rapid speed 1 2 4 6 8 10 INCLINE RAPID button 5preset butt...

Страница 19: ... incline position is 12 DOWN button Press the button to lower position and each decrease is 1 the minimum incline position is 0 SPEED RAPID button Speed will set to 1 2 4 6 8 10 quickly INCLINE RAPID button Incline will set to 2 4 6 8 10 12 position quickly Fan button It can to control ON OFF for the fan Optional DISPLAY KEY You could select the profile of SPEED or INCLINE by pressing DISPLAY key ...

Страница 20: ...S Se er rv vi ic ce e M Ma an nu ua al l 20 5 Unit Block Diagrams ...

Страница 21: ...S Se er rv vi ic ce e M Ma an nu ua al l 21 Treadmill Configuration ...

Страница 22: ...S Se er rv vi ic ce e M Ma an nu ua al l 22 6 Basic Connections and Wiring ...

Страница 23: ...S Se er rv vi ic ce e M Ma an nu ua al l 23 6 1 Display Board wire Connections ...

Страница 24: ...S Se er rv vi ic ce e M Ma an nu ua al l 24 6 2 Display Board PCB Component Locations PCB Board Top ...

Страница 25: ...S Se er rv vi ic ce e M Ma an nu ua al l 25 PCB Board Bottom ...

Страница 26: ...S Se er rv vi ic ce e M Ma an nu ua al l 26 6 3 Amplifier Board wire Connections ...

Страница 27: ...S Se er rv vi ic ce e M Ma an nu ua al l 27 6 4 Driver Board Wire Connections ...

Страница 28: ...S Se er rv vi ic ce e M Ma an nu ua al l 28 6 5 Driver Board PCB Component Locations ...

Страница 29: ...S Se er rv vi ic ce e M Ma an nu ua al l 29 6 6 Driver Board LED Indicator Locations MOT_DRV SPEED PWM POWER SHUT_DOWN LIMIT INC_DW bottom PCB INC_UP bottom PCB ...

Страница 30: ...ill turn on If LIMIT light is bright for 3 to 5 seconds the Shut_Down 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 Shut_Down light will be always bright Motor lock LIMIT light will be bright for 3 to 5 se...

Страница 31: ...S Se er rv vi ic ce e M Ma an nu ua al l 31 6 8 Driver Board function ...

Страница 32: ...S Se er rv vi ic ce e M Ma an nu ua al l 32 7 Product Safety Instructions ...

Страница 33: ... control This part is available through most electrical supply stores Examples Grainger part 1D237 or available online at www squared com part QO120HM 7 3 Important Grounding Instructions This product must be grounded If the treadmill should malfunction or breakdown ground ing provides a path of least resistance for electric current reducing the risk of electric shock This product is equipped with...

Страница 34: ...S Se er rv vi ic ce e M Ma an nu ua al l 34 8 Error Messages and Troubleshooting for Electronic Issues ...

Страница 35: ...Error Message Explain LS1 LOW SPEED Display board CPU did not receive the RPM signal E 1 RAM ERROR EEPROM failure INCLINE E2 The console board is not detecting the VR voltage value or the voltage value has exceeded the range Prepare Picture Tool name Multi meter ...

Страница 36: ...S Se er rv vi ic ce e M Ma an nu ua al l 36 8 1 Error Message LS1 LOW SPEED Definition Display board CPU did not receive the RPM signal Configuration ...

Страница 37: ...l l 37 Cause of LS1 LOW SPEED The motor doesn t turn LS1 LOW SPEED appears Explanation The drive board did not sent voltage to the motor so the motor didn t operate And the display board didn t receiver the RPM sensor signal Configuration ...

Страница 38: ...S Se er rv vi ic ce e M Ma an nu ua al l 38 LCD show LS1 LOW SPEED ...

Страница 39: ...S Se er rv vi ic ce e M Ma an nu ua al l 39 LS1 LOW SPEED solution follow chart ...

Страница 40: ...S Se er rv vi ic ce e M Ma an nu ua al l 40 Terminals for motor cable Red for M Black for M PWM LED POWER LED ...

Страница 41: ...S Se er rv vi ic ce e M Ma an nu ua al l 41 LS1 LOW SPEED solution follow chart check RPM sensor device procedure ...

Страница 42: ...otor The speed sensor is small and black with a wire connected to it 3 Make sure the sensor is as close as possible to the pulley without touching it You will see a magnet on the face of the pulley make sure the sensor is aligned with the magnet There is a screw that holds the sensor in place that needs to be loosened to adjust the sensor Re tighten the screw when finished Reed switch RPM Speed se...

Страница 43: ...he good connection for cables The speed sensor didn t detect signal completely Check the gap between speed sensor and magnet To keep the gap distance less than 3 mm Defective sensor or bad cable connection Check if the sensor and cables are circuit short damaged Change the sensor or cables The motor can not move The motor can not work Check if the motor wire is plug well and the controller is norm...

Страница 44: ...age E1 RAM ERROR Definition All screens are off and outputs are stopped when EEPROM is damaged or malfunction Display message will show E 1 and message window will show RAM ERROR Troubleshooting Due to EEPROM error restart treadmill or replace upper controller ...

Страница 45: ...c ce e M Ma an nu ua al l 45 8 3 Error Message INCLINE E2 Definition The console board is not detecting the VR voltage value or the voltage value has exceeded the range INCLINE E2 appears on the display Configuration ...

Страница 46: ...S Se er rv vi ic ce e M Ma an nu ua al l 46 LCD show INCLINE E2 ...

Страница 47: ... value exceeds the range INCLINE E2 appears on the display Incline motor isn t operation up or down making the VR value exceed the range After turning on the unit the display board detects that the incline VR voltage exceeds the range so INCLINE E2 appears Action Flow Chart ...

Страница 48: ...es are broken or disconnected Display board 1 Inspect the incline wire and 12 pin cable connections 2 Test whether the VR voltage varies at the incline wire terminal 12 pin cable 1 Inspect the wire connections 2 Inspect whether wires are broken or crimped 3 Replace the wires and test again Driver board Inspect the display board 12 pin connections ...

Страница 49: ...r board connector pin define function 1 2 3 4 5 6 7 8 9 10 11 12 The console to driver board connector pin define function 1 Controller S W 2 Incline down output 3 Incline up output 4 Vin 5 Speed up output 6 Speed down output 7 GND 8 GND 9 Speed sensor input 10 VCC 11 ADC input 12 GND ...

Страница 50: ...N White NEUTRAL The position sensor wires Red Ground White Position signal Black 5vdc 0 5v depending on incline position UP DOWN LED bottom PCB 12 11 10 9 8 7 6 5 4 3 2 1 1 Controller S W 2 Incline down output 3 Incline up output 4 Vin 5 Speed up output 6 Speed down output 7 GND 8 GND 9 Speed sensor input 10 VCC 11 ADC input 12 GND ...

Страница 51: ...e loose If everything is tight then the potentiometer could be bad If there is no count then check the voltage at the potentiometer There should be 5vdc between the black and red wire and there should be a voltage between the red and white wire This voltage will be about 4 5 4 7 Vdc when the motor is at the lowest position the number isn t too critical as long as it s somewhere in this neighborhoo...

Страница 52: ...S Se er rv vi ic ce e M Ma an nu ua al l 52 Error Message INCLINE E2 Definition During incline action the display board CPU cannot read the VR value so INCLINE E2 appears Configuration ...

Страница 53: ...display Explanation Press the incline UP and DOWN key The driver board UP or DOWN indicator lights The incline operates moving the VR which changes the VR value The display board CPU reads the incline VR value If there is no VR value change to the CPU the incline is not operating when it should be INCLINE E2 appears on the display Action Flow Chart ...

Страница 54: ... whether the 12 PIN cable is connected well 2 Test by replacing the cable with a good one Driver board Inspect whether the driver board UP DOWN LED is lit 1 Press incline UP or DOWN key again making the incline motor return to its position 2 If ERR still appears re calibrate the incline set Incline motor 1 Inspect whether the incline motor is stuck 2 Inspect whether the incline gears are cracked 3...

Страница 55: ...S Se er rv vi ic ce e M Ma an nu ua al l 55 8 4 Circuit diagram ...

Страница 56: ...ing and enter next section of setting mode 7 Set Min speed Press FAST or SLOW button to adjust SPEED window to 1 0 8 Press ENTER button to memorize above setting and enter next section of setting mode 9 Set high speed Press FAST or SLOW button to adjust SPEED window to 18 0 10 Press ENTER button to memorize above setting and enter next section of setting mode 11 Set high incline position Press UP ...

Страница 57: ...ons Press Enter to access settings use Speed keys to scroll I Display Mode Turn off to have the console power down automatically after 30 minutes of inactivity II Pause Mode Turned on to allow 5 minutes of pause turn off to have console pause in definitely III Maintenance Reset lube message and odometer readings IV Units Choose from English or Metric display readings V Key Tone Will turn on off be...

Страница 58: ...s 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 FUSE MOUNT FUSE 3 A ...

Страница 59: ...afety device is broken open 8 Other components are faulty 1 Switch the AC switch 2 Insert the safe key on right position 3 Please check the wire and connect again 4 Replace 12 PIN computer cable 5 Replace fuse or controller 6 Replace varistor or controller 7 Replace safety key device 8 Replace console With no safe key but treadmill could display or operate 1 Safety device is broken short 1 Replace...

Страница 60: ...ff the AC switch and turn on power again 2 Calibrate the monitor After pressing START button the treadmill stops immediately 1 Controller is broken 1 Turn off the AC switch and turn on power again 2 Replace controller and calibrate it Erratic pulse display 1 Another chest belt in use around treadmill 2 Other magnetic field disturbance 3 Receiver is broken 1 Check for other chest belt use around tr...

Страница 61: ...nd pulse 2 Connect the cable again 3 Replace with new cable 4 Replace console or Hand pulse board Wireless lost its function No pulse displayed 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...

Страница 62: ...S Se er rv vi ic ce e M Ma an nu ua al l 62 9 Treadmill Folding Unfolding and Transport ...

Страница 63: ... handrails to maneuver the unit to the desired position TO FOLD THE TREADMILL Lift the deck until the latch clicks in place TO UNFOLD THE TREADMILL Press the tube with your foot at the yellow sticker To release latch See picture to the right TRANSPORTATION INSTRUCTIONS The treadmill is equipped with four transport wheels that are engaged when the treadmill is folded After folding simply roll the t...

Страница 64: ...S Se er rv vi ic ce e M Ma an nu ua al l 64 10 General Maintenance ...

Страница 65: ...ension Adjustment Belt tension is not critical for most users It is very important though for joggers and runners in order to provide a smooth steady running surface Adjustment must be made from the rear roller with the 6 mm Allen wrench 132 provided in the parts package The adjustment bolts are located at the end of the step rails as shown in the diagram below Note Adjustment is through small hol...

Страница 66: ...nt right away If the belt is too close to the left side then turn the bolt only a 1 4 turn to the right clockwise and wait a few minutes for the belt to adjust itself Continue to make 1 4 turns until the belt stabilizes in the center of the running deck If the belt is too close to the right side turn the bolt counter clockwise The belt may require periodic tracking adjustment depending on use and ...

Страница 67: ...oose wipe the deck with a clean lint free cloth to remove any dirt Apply the whole tube of lubricant onto the deck surface about 18 inches from the motor cover Squeeze out the contents of the tube across the deck parallel to the motor cover in about a one foot line like toothpaste on a toothbrush The one foot line should be in the middle of the deck at approximately equal distance from both side e...

Страница 68: ...S Se er rv vi ic ce e M Ma an nu ua al l 68 11 Installation of the Incline Motor ...

Страница 69: ...S Se er rv vi ic ce e M Ma an nu ua al l 69 Incline Range must be adjusted to 215mm minimum prior to installation 215 mm ...

Страница 70: ...ncline motor apart before replacement Use Allen wrench and 14mm wrench to install the incline motor Lay the treadmill as shown and use Allen wrench and 14mm wrench to install the incline motor Plug in cables onto the related connectors on the controller board ...

Страница 71: ...S Se er rv vi ic ce e M Ma an nu ua al l 71 12 Disassembling and assembling of Parts ...

Страница 72: ...ct all lower controller wirings 3 Use Phillips head Screwdriver to remove replace with new lower controller and reconnect all wirings 12 2 Console Replacement 1 When replacing console use Phillips head screwdriver to remove screws below the console first Disconnect console wirings and replace with new console ...

Страница 73: ...c ce e M Ma an nu ua al l 73 12 3 Motor Replacement 1 Use Phillips head screwdriver to remove 5 Tapping screw securing the motor cover 2 Remove motor grounding wire greenish yellow motor wire red and motor wire black ...

Страница 74: ...ble in reverse order of disassembly re hook belt readjust belt to be parallel with main frame after re hooking Do not tighten 4 securing screws yet 5 Use 14mm open end wrench to adjust belt tension using tension measuring device Adjust to white LBS area between 70 75LBS Use 14mm T shaped socket wrench to secure and tighten 4 securing screws 6 Connect grounding wires and motor wires red M black M ...

Страница 75: ... nu ua al l 75 12 4 Power Cord Replacement 1 Remove electrical connection wiring replace part and reconnect wiring 12 5 AC Power Switch Replacement 1 Disconnect wiring to AC power switch replace AC power switch and reconnect wiring ...

Страница 76: ... Phillips head screwdriver to loosen 2 screws on the rear adjustment base 2 Use M6 L Allen wrench to loosen 2 screws on the rear roller 3 Remove motor cover use 14mm T shaped socket wrench to loosen 4 screws Use 14mm open end wrench to loosen 1 belt tension screw and loosen drive belt ...

Страница 77: ...ch to loosen front roller screws remove front and back rollers and replace with new Reassemble in reverse order of disassembly 5 When reassembled running belt tension needs to be adjusted and centered Belt tension also needs to be adjusted refer to 12 3 5 above ...

Страница 78: ...placement 1 After running board has been folded use Allen wrench to remove securing screws on gas spring cylinder and remove the cylinder 2 Perform step 12 6 and remove front and rear rollers 3 Use Phillips head screwdriver to remove 4 sheet metal screws from the front and back of the foot rail according to the indicating arrows ...

Страница 79: ...the running board Remove the running board and replace running board or running belt If cushions need to be replaced remove 6 cushions and replace Reassemble in the reverse order as disassembly 5 When reassembled center and adjust running belt tension Belt tension also needs to be adjusted Refer to step 12 3 5 ...

Страница 80: ...a al l 80 12 8 Speed Sensor Replacement including the wire 1 First remove motor top cover 2 Remove speed sensor wiring and proceed with parts replacement 3 After replacement a test to check if the sensor registers the magnet is required ...

Страница 81: ... incline motor before take it apart from the machine or assemble it onto the frame The zeroing distance is 215mm 1 First adjust treadmill to folded position then proceed with old incline motor replacement 2 Use Phillips head screwdriver to assemble incline motor cover with incline motor ...

Страница 82: ... Ma an nu ua al l 82 Use 14mm and 17mm wrench to assemble new incline motor 3 Connect incline motor wiring with controller 紅線連接UP端白線連接COM端黑線連接DOWN端 Red wire Connect to UP White wire Connect to COM Black wire Connect to DOWN ...

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