SportsArt Fitness XT20 Cross Trainer Repair Manual Download | Manualshive

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3-1-2

2. Alternator Start Up

Function: 1. Use power from the alternator to activate the unit.

Operation: 1. Move the pedals or handles. The display shows “XT20” and starts operating as shown
below.

Left Picture Right Picture

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Summary of Contents for XT20 Cross Trainer

Page 1: ...XT20 Cross Trainer Repair Manual SPORTSART INDUSTRIAL CO LTD...

Page 2: ...rate Programs 3 1 8 Operating Programs Cont 3 1 9 Stopping Programs 3 1 10 Battery Shut Off 3 1 12 Show Total Distance 3 1 13 Set KPH MPH Mode 0 0 1 Note XT10 and XT20 are mechanically and electronica...

Page 3: ...d Wire Connection Block Diagram 5 1 2 XT20 Display Board Component Placement 5 1 3 XT20 Display Board LED Indicators 5 1 4 XT20 Display Board Wire Connectors 5 2 Drive Board 5 2 1 XT20 Drive Board Wir...

Page 4: ...20 Alternator Test Continued on 7 1 2 7 2 1 XT20 Battery Voltage Test 7 3 1 XT20 Electro Magnet Test 7 4 1 XT20 Reed Switch Test Continued on 7 4 2 7 5 1 XT20 Alternator Power Test at the Drive Board...

Page 5: ...XT20 Picture 1 1 1...

Page 6: ...XT20 Display 1 2 1...

Page 7: ...XT20 Lower Body Rear 1 3 1 Flywheel Drive board Electro magnet AC alternator Reed switch and magnet...

Page 8: ...XT20 Lower Body Front 1 3 2 AC alternator Flywheel Electro magnet Battery Reed switch...

Page 9: ...XT20 Display 1 4 1...

Page 10: ...XT20 Display Board Front 1 5 1...

Page 11: ...XT20 Display Board Back 1 5 2...

Page 12: ...NG ADVANCED CONDITONING XT20 Heart rate detection POLAR wireless telemetry heart rate XT20 Key Key toggle switch XT20 Work level Work level LEG 1 20 Work level ARM 1 20 XT20 Power Hand leg independent...

Page 13: ...hows 65 HR target Shows actual heart rate Shows 80 HR target Main window Shows prompts and illustrations Leg work level Shows leg resistance level value Leg RPM Shows rotations per minute leg Arm RPM...

Page 14: ...rate setting CONDITIONING Automatic physical conditioning program 1 ADVANCED CONDITIONING Automatic physical conditioning program 2 LEG WORK LEVEL Set LEG resistance level START start by inputting pe...

Page 15: ...3 1 1 1 Battery Start Up Function 1 Use battery power to activate the unit Operation 1 Press START The display shows XT20 and starts operating as shown below...

Page 16: ...Alternator Start Up Function 1 Use power from the alternator to activate the unit Operation 1 Move the pedals or handles The display shows XT20 and starts operating as shown below Left Picture Right...

Page 17: ...ion 1 To start exercising press QUICK START after the display shows XT20 The display will appear as shown below on the left 2 Move the pedals or handles Time accumulates from 0 00 3 Press STOP RESET E...

Page 18: ...is represented by an oval track Green dots represent area yet to cover orange represents current location red represents area already covered See picture below left 3 While you exercise CALORIES CAL H...

Page 19: ...ress the LEG ARM Work Level key on the display or press the key on the handle to change LEG and ARM resistance settings Left display keys Right handle keys 2 Left handle keys set leg resistance Right...

Page 20: ...ay shows XT20 to input user information The display appears as shown on the left 2 To enter age and weight press keys or numbers on the bottom of the display Press ENTER to confirm your choice as show...

Page 21: ...ANDOM CARDIO WT LOSS CONDITIONING ADVANCED CONDITIONING as shown on the right to activate the related program 3 Programs explanations follow 1 MANUAL directly set resistance 2 RANDOM resistance change...

Page 22: ...keys on the display or handles to enter the time then press ENTER to confirm your choice 2 In CONDITIONING and ADVANCED CONDITIONING modes press these keys again to toggle between four options P1 P4 E...

Page 23: ...rogram modes press STOP to halt the program The display appears as shown on the left 2 After stopping the display shows total distance calorie expenditure and time See right 3 To resume your workout h...

Page 24: ...Automatically turn off the unit after exercising Operation 1 Simultaneously press ENTER LEG Work Level to turn off the display The battery circuit is disengaged and the display shuts off as shown on...

Page 25: ...there is no movement signal detected for over 30 seconds the display automatically shuts off and a bouncing ball pattern appears 2 Press START or move the pedals or handles to resume exercising The d...

Page 26: ...1 12 12 Show Total Distance Function 1 See total distance Operation 1 Simultaneously press STOP REST ENTER DISPLAY Lock keys The display appears as shown K KPH M MPH Total distance Program nationalit...

Page 27: ...the startup screen simultaneously press LEG Work Level keys to enter the MODIFY setting 2 Then press to toggle to YES Press ENTER to confirm your choice See picture on left 3 Press keys to toggle betw...

Page 28: ...XT20 Display Board Wire Connection Block Diagram 4 1 1 Drive Board Display Board C Safe Board Polar Board...

Page 29: ...Board Wire Connection Block Diagram Arm Leg Display Board Drive Board Electro Magnet Leg Electro Magnet Reed Switch Alternator Infrared Key Board Handle Keys Battery Battery Charger Alternator Reed Sw...

Page 30: ...XT20 Display Board Wire Connection Block Diagram 5 1 1 Drive Board Display Board C Safe Board Polar Board...

Page 31: ...XT20 Display Board Component Placement 5 1 2...

Page 32: ...XT20 Display Board LED Indicators 5 1 3 POWER1 LED Lit 5V power supply LED1 C SAFE Indicator Lit C SAFE operation...

Page 33: ...XT20 Display Board Wire Connectors 5 1 4 CON2 To POLAR receiver board CON4 To C SAFE board CON1 To drive board...

Page 34: ...Board Wire Connection Block Diagram Arm Leg Display Board Drive Board Electro Magnet Leg Electro Magnet Reed Switch Alternator Infrared Key Board Handle Keys Battery Battery Charger Alternator Reed Sw...

Page 35: ...XT20 Drive Board Component Placement 5 2 2...

Page 36: ...d LED Indicator Placement and Definitions 5 2 3 LED2 ARM_CLK Flashing or becoming lit indicates detection of ARM reed switch signal LED1 LEG_CLK Flashing or becoming lit indicates detection of LEG ree...

Page 37: ...Connectors 5 2 4 J4 To reed switch electro magnet alternator arm J8 To battery charger J5 To reed switch electro magnet alternator leg J1 To battery J2 To display board J3 J7 J3 To right handle keys J...

Page 38: ...XT20 Drive Board Fuse Locations 5 2 5 F1 3A Alternator fuse F3 2A Battery charger fuse F2 2A Battery fuse...

Page 39: ...e pressed 1 Explanation 1 Press START or Quick START keys on the display The display does not light 2 Block diagram CABLE Keypad STAR T Q UI CK STAR T F2 Start Quick Start Display Board o Power LED Fu...

Page 40: ...f not recharge battery If not possible replace the battery 2 Drive board 1 Test battery fuse F2 on the drive board F2 for continuity Replace if necessary 2 Inspect drive board wire connections Reconne...

Page 41: ...oes to the drive board the display detects the reed switch signal and the display lights up 2 Without either the alternator voltage or the reed switch signal the display cannot light 2 Block Diagram C...

Page 42: ...nator malfunction 5 Parts to Inspect Order Part Inspection Procedure 1 Reed switch 1 Inspect the reed switch wire connection 2 Inspect the LED1 and LED2 indicators on the drive board 2 Drive board 1 I...

Page 43: ...display board CPU reads the reed switch signal and displays values in the leg and arm RPM windows 2 If the display cannot read the reed switch signal RPM values cannot be shown 2 Block Diagram CL K C...

Page 44: ...alfunction 3 Display board malfunction 4 Wires are disconnected or broken 5 Parts to Inspect Order Part Inspection Procedure 1 Reed switch wire 1 Inspect the reed switch wire connection 2 Inspect LED1...

Page 45: ...oes not start There is no resistance 2 The display has not sent the resistance signal to the drive board The drive board has not sent voltage to the electro magnet so there is no resistance 2 Block Di...

Page 46: ...n 6 Alternator malfunction 5 Parts to Inspect Order Part Inspection Procedure 1 Reed switch and wire 1 Inspect the reed switch and wire 2 Drive board 1 Inspect whether the drive board is sending volta...

Page 47: ...en the unit is on the user presses remote keys but there is no response from the display 2 Block Diagram Display Board Right Remote Keys Infrared Transmitter Infrared Receiver Drive Board Key Signal L...

Page 48: ...le malfunction 5 Parts to Inspect Order Part Inspection Procedure 1 Remote keys 1 Inspect keys and the key circuit board 2 Infrared transmitter 1 Inspect the infrared transmitter batteries 2 Inspect t...

Page 49: ...0 RPM or higher the drive board emits power to replenish the battery 2 The drive board does not send voltage to the battery the battery does not recharge 2 Block Diagram AC AC DC Display Board Drive B...

Page 50: ...meet or exceed 40 RPM so there is no opportunity to recharge the battery 5 Parts to Inspect Order Part Inspection Procedure 1 Alternator 1 Inspect the alternator for AC voltage to the drive board 2 D...

Page 51: ...ion 1 Circumstance of Malfunction 1 There is no POLAR heart rate value on the display 2 The POLAR heart rate value is not accurate 2 Block Diagram 6 7 1 Display Board Heart Rate Signal Heart Rate Sign...

Page 52: ...nspect Order Part Inspection Procedure 1 POLAR heart rate transmitter 1 Inspect the transmitter and brand 2 Replace the transmitter 2 POLAR heart rate receiver 1 Inspect the POLAR receiver board posit...

Page 53: ...XT20 Alternator Test 1 Alternator test configuration 7 1 1...

Page 54: ...s from the alternator for voltage as shown 2 2 When the arms or legs are moving voltmeter shows voltage the faster the movement the greater the voltage 3 Troubleshooting 3 1 If there is no voltage 1 I...

Page 55: ...rminal the black on the black terminal 2 4 Normal voltage 5 6 6 5 VDC If lower than 5 5 VDC please move the pedals or arms swiftly to recharge the battery 3 Troubleshooting 3 1 If there is no voltage...

Page 56: ...r to the ohm setting Place probes as shown on the two blue wires of the magnet 2 3 Normal ohm specification 20 2 4 If greater than 20 or open the electro magnet it bad Replace it 3 Troubleshooting 3 1...

Page 57: ...e Right Picture 2 Test Procedure A Arm RPM 1 Press the START key The display lights up 2 Move the arms The drive board CLK LED flashes Display shows ARM RPM value 3 Move the arms once per second The d...

Page 58: ...T key The display lights up 2 Move the pedals Drive board CLK LED flashes Display shows the LEG RPM value 3 Move the arms once per second The display LEG RPM window shows 60 RPM 3 Troubleshooting 1 If...

Page 59: ...XT20 Alternator Power Test at the Drive Board 1 Test Configuration 7 5 1...

Page 60: ...TP2 connectors as shown 2 2 Move either pedals or arms Normal voltage 10 150 VDC or more 2 3 If not as above the alternator is bad 3 Troubleshooting 3 1 If there is no voltage inspect 1 All cable conn...

Page 61: ...XT20 Battery Test at the Drive Board 1 Test Configuration 7 6 1...

Page 62: ...ltage at which the display can operate 2 3 To recharge the battery exercise at 40 RPM or more for 20 minutes or more 2 4 If the battery has less than 3 VDC replace it 3 Troubleshooting 3 1 If battery...

Page 63: ...XT20 Resistance Voltage Test at the Drive Board 1 Test Configuration ARM Resistance Voltage Test 7 7 1...

Page 64: ...Test Configuration LEG Resistance Voltage Test 7 7 2...

Page 65: ...y LEG Resistance Voltage Test 1 Put voltmeter to the 20 VDC setting Place probes on J6 blue blue wire connectors Move arms 2 Press LEG LEVEL key until the display shows resistance level 20 Leg resista...

Page 66: ...XT20 VCC Voltage Test at the Drive Board 1 Test Configuration Normal reading 5 VDC 7 8 1...

Page 67: ...is is the VCC circuit 2 2 Exercise on the unit or press the START or QUICK START key on the display The display should beep once and light 2 3 Normal reading 4 8 5 2 VDC approximately 3 Troubleshootin...

Page 68: ...XT20 VCC Voltage Test at the Display Board 1 Test Configuration 7 9 1 Capacitor C10...

Page 69: ...on the unit or press the START key The display should beep once the POWER1 LED should light and all windows should light 2 3 Normal reading 4 8 5 2 VDC 3 Troubleshooting 3 1 If the display does not li...

Page 70: ...ltmeter should show 0 3 If the display shows no reaction the key is broken 1 2 Test for open 1 Put voltmeter to the ohm setting Place probes on the two terminals on the right or left side as shown 2 W...

Page 71: ...XT20 Arm Remote Key Test Infrared 1 Test Configuration 7 11 1 1 Key circuit board 3 Infrared receiver 2 Infrared transmitter...

Page 72: ...ange 1 20 2 Right remote test arm 1 Set display to MAN L mode 2 Use the right remote to set the arm resistance Resistance values in the display ARM WORK window change accordingly 3 LEVEL range 1 20 3...

Page 73: ...XT20 Polar Heart Rate Test 1 Test Configuration 7 12 1 Actual heart rate display Target heart rate windows Polar transmitter...

Page 74: ...rate transmitter 2 Sit with the transmitter within 80 cm of the display Exercise on the unit 3 The display should show the heart rate reading 3 Troubleshooting 3 1 If there is no reading during the st...

Page 75: ...ET ARM REED SWITCH ARM REMOTE ARM REMOTE LEG ALTERNATOR LEG ELECTRO MAGNET LEG REED SWITCH BATTERY CHARGER BATTERY 6 VDC CHARGING 7 2 VDC DISPLAY DRIVE BOARD OVERVIEW DRIVE BOARD FUSES F1 ALTERNATOR F...

Page 76: ...60 15 5 VDC 15 50 6 9 VDC ALTERNATOR LEGS BLACK WHITE ALTERNATOR ARMS BLACK WHITE RPM VOLTAGE AC RPM VOLTAGE AC 40 13 VAC 40 22 VAC 60 20 VAC 60 32 VAC 90 33 VAC 80 45 VAC REED SWITCHES CONTINUITY WI...

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