SportsArt Fitness 6300 Repair Manual
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SportsArt Fitness 6300 Repair Manual

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6300/6310 Treadmill Electronics Repair Manual
Version 2; Date: 11-11-04

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  • Page 1 6300/6310 Treadmill Electronics Repair Manual Version 2; Date: 11-11-04...
  • Page 2 6300/6310 Treadmill Electronics Repair Manual The 6300/6310 Treadmill Electronics Repair Manual is designed to be a quick, easy troubleshooting guide for technicians in the field. If you have questions or comments, please write to Bob Baumgartner at bob@sportsartamerica.com. Version 1 Date: 05-01-03 Version 2 Date: 11-11-04 –...
  • Page 3 6300/6310 Treadmill Electronics Repair Manual - Contents Contents 6300 Introduction – 6300 Treadmill Features 6300 – INTRODUCTION.01 – 6300 Treadmill Specifications at a Glance 6300 – INTRODUCTION.02 – 6300 Treadmill Control Area 6300 – INTRODUCTION.03 – 6300 Display Windows 6300 – INTRODUCTION.04 – 6300 Display Keys 6300 –...
  • Page 4 DRIVE BOARD.01 – Drive Board Wire Connection Diagram DRIVE BOARD.02 – 6300/6310 Drive Board Wire Connection Picture DRIVE BOARD.03 – 6300/6310 Drive Board LEDs – Normally Lit DRIVE BOARD.04 – 6300/6310 Drive Board LEDs – Normally Not Lit DRIVE BOARD.05 – 6300/6310 Drive Board Picture CONTENTS.02...
  • Page 5 MOTOR.01 – 6300/6310 Motor System Operation MOTOR.02 – 6300/6310 Voltage to Motor – Test Configuration MOTOR.03 – 6300/6310 Voltage to Motor – Test Procedure, Test Results MOTOR.04 – 6300/6310 Motor Circuit and OHM Test Configuration, Procedure MOTOR.05 – 6300/6310 Transformer Test Configuration MOTOR.06 –...
  • Page 6 6300/6310 Treadmill Electronics Repair Manual - Contents Contents (Continued) 6300/6310 Heart Rate System HR.01 – Heart Touch Rate (HTR) Operation HR.02 – POLAR Heart Rate (HR) Operation HR.03 – HTR Board LED Operation, LED Indicator Definitions HR.04 – Possible Malfunctions, Troubleshooting HR.05 –...
  • Page 7 KEYS.01 – Key Operation, Key Test Configuration KEYS.02 – Key Test Procedure Reference REF.01 – 6300/6310 Drive Board LED Reference Chart REF.02 – 6300/6310 Display LED Reference Chart, 6300/6310 Fuse Reference Chart REF.03 – VR Voltages for Various SportsArt Treadmill DC Incline Motors CONTENTS.05...

  • Page 8: Introduction – 6300 Treadmill Features

    6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Introduction – 6300 Treadmill Features 6300 – INTRODUCTION.01 – 6300 Model Treadmill Specifications at a Glance 6300 – INTRODUCTION.02 – 6300 Treadmill Control Area 6300 – INTRODUCTION.03 – 6300 Display Windows 6300 –...
  • Page 9 6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Treadmill Specifications at a Glance Function Description Operation Modes Originally had only manual mode and no exercise programs. Exercise programs added July 2003. Program time added Jan. 2004 Heart Rate (HR) Function...
  • Page 10 6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Treadmill Control Area Note: Picture shows old type HTR grips. As of Display Sept. 2004, HTR grips had Emergency Stop Knob two, rather than (prior to Sept. 2004) four, contact plates.

  • Page 11: Display Windows

    6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Display Windows 65% Target Heart Rate Window 80% Target Heart Rate Window Shows 65% target heart rate Shows 80% target heart rate HEART RATE Window 72.5% Target Heart Rate Window Shows actual heart rate Shows 72.5% target heart...

  • Page 12: Display Keys

    6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Display Keys <CHANGE> Key EMERGENCY STOP Knob Press to change modes: Distance/Incline; Press to stop in an Calories/Cal/Hr; Time/Pace; Speed/METS emergency. Twist to reset. Workout settings will be cleared. <ENTER> Key (Prior to Sept.
  • Page 13 6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction 6300 Display Unit Feedback LEDs Note: This picture shows an old display without exercise programs. Programs were added May 2004. Motor Overheat LED Lights to indicate that the motor is too hot.
  • Page 14 1. Start Up: Turn on the On/Off switch. On/Off Switch LED lights up. Display lights up. “6300” scrolls across the lower windows. Press any key except Speed <▲> key. 2. Age Setting: Age LED lights up. A number appears in the distance/incline window. Press incline <▲>...
  • Page 15 6300/6310 Treadmill Electronics Repair Manual – 6300 Introduction Operating the 6300 Treadmill: Manual Mode Manual Operation: Manual mode is the default for this product. Manual LED lights up. Press other keys to directly operate the unit. Speed: Press Speed <▲> key to increase speed. Speed window shows increasing speed value.
  • Page 16 Reset Function: Rotate the emergency stop knob clockwise. Display beeps once. Emergency stop indicator extinguishes. Unit reverts to start up mode. “6300” scrolls across the lower windows. Note: The emergency stop knob was eliminated Sept. 2004. To update an old unit, eliminating the stop knob, you need two things: A jumper, which goes into the stop knob wire connector on the display, and a plastic sticker, which covers the hole where the stop knob sat.

  • Page 17: Introduction – 6310 Treadmill Features

    6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction 6310 Introduction – 6310 Treadmill Features 6310 – INTRODUCTION.01 – 6310 Treadmill Specifications at a Glance 6310 – INTRODUCTION.02 – 6310 Display Windows 6310 – INTRODUCTION.03 – 6310 Display Keys 6310 – INTRODUCTION.04 – 6310 Display Unit Feedback LED 6310 –...
  • Page 18 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction 6310 Treadmill Specifications at a Glance Function Description Operation Modes Manual; Programs: college track, climber’s trek, bay run, river run; Interval 1:1; Interval 1:2. Programs originally had a set 30-minute length; Time settings were added Jan. 2004.
  • Page 19 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction 6310 Display Windows 80% Target Heart Rate Window 65% Target Heart Rate Window Shows 80% target heart rate Shows 65% target heart rate HEART RATE Window 72.5% Target Heart Rate Window Shows actual heart rate Shows 72.5% target heart rate...
  • Page 20 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction 6310 Display Keys <SCROLL> Key Press to select programs. <CHANGE> Key Press to change modes: Distance/Incline; Calories/Cal/Hr; Time/Pace; Speed/METS EMERGENCY STOP Press to stop in an emergency; Twist to reset. Workout settings will <ENTER>...
  • Page 21 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction 6310 Display Unit Feedback LED Motor Overheat LED Lights to indicate that the motor is Note: This shows the old, too hot. Inspect the motor. 30-minute exercise programs in units before Jan. 2004.
  • Page 22 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction Operating the 6310 Treadmill: Start Up Quick Start: Turn on the On/Off switch. On/Off Switch LED lights up. Display lights up. “SPORTSART” scrolls across the top of the main window. “6310” appears in the lower part of the main window.
  • Page 23 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction Operating the 6310 Treadmill: Manual Operation To enter manual mode, press the SCROLL key until the MANUAL indicator lights. Manual mode provides direct control over speed, incline, and other functions. Speed: Press Speed <▲> key to increase speed. Speed window shows increasing speed value.
  • Page 24 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction Operating the 6310 Treadmill: Stop Functions STOP/PAUSE Key Pause function: Press the STOP/Pause key once. Display beeps once. Workout memory values, such as calorie expenditure, remain on display. SPEED indicator lights. SPEED/METS window flashes “0.0”.
  • Page 25 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction Operating the 6310 Treadmill: Programs Press the Scroll<▼> key to select programs. A program indicator lights. The next program indicator down lights each time the scroll key is pressed. Press the ENTER key to confirm your choice.
  • Page 26 6300/6310 Treadmill Electronics Repair Manual – 6310 Introduction KPH/MPH, Distance/Time, Clear Set MPH/KPH: Turn on the unit. “SPORTSART” scrolls across the main window. “6310” appears in the lower part of the main window. Hold the CHANGE key down three seconds. “PRESS TO SELECT MPH/KPH, PRESS ENTER” scrolls across the top part of the main window.
  • Page 27 6300/6310 Treadmill Electronics Repair Manual - Operation 6300/6310 Operation – Explains 6300/6310 Operation in General OPERATION.01 – 6300/6310 Power/Signal Diagram OPERATION.02 – 6300/6310 Power/Signal Flow Explanation OPERATION.03 – 6300/6310 Motor Compartment Components OPERATION.00...
  • Page 28 6300/6310 Treadmill Electronics Repair Manual – Operation 6300/6310 Power/Signal Diagram Power Display Board Cord On/Off Switch Filter Stride Motor Drive Board Inductor Transformer Thermal Optic Sensor Motor Fuse OPERATION.01...
  • Page 29 6300/6310 Treadmill Electronics Repair Manual – Operation 6300/6310 Power/Signal Flow Explanation 1. AC voltage travels through the power cord, fuse, on/off switch, EMI filter, into the drive board. 2. AC voltage travels from the drive board to the transformer. The transformer outputs lower levels of AC voltage.
  • Page 30 6300/6310 Treadmill Electronics Repair Manual – Operation 6300/6310 Motor Compartment Components EMI Filter Drive Motor Incline VR Note: Old drive motor Optic Sensor Wheel is shown. New ones have ribs for heat dissipation. Change occurred Sept. 2003. Incline Motor Optic Sensor Board...
  • Page 31 6300/6310 Treadmill Electronics Repair Manual – Display Display – Includes 6300/6310 Display Wiring, LEDs, Test Procedures DISPLAY.01 – 6300/6310 Display Board Wire Connection Diagram DISPLAY.02 – 6300/6310 Display Board Wire Connection Picture DISPLAY.03 – 6300/6310 Display Board LEDs DISPLAY.04 – 6300/6310 Display VCC Circuit Voltage Test DISPLAY.05 –...
  • Page 32 6300/6310 Treadmill Electronics Repair Manual – Display 6300/6310 Display Board Wire Connection Diagram CARDIO Keypad Accessory Board Emergency POLAR Stop Knob Receiver Display Board C-SAFE Board Board HTR Handlebar (Left, Right) Drive Board DISPLAY.01...
  • Page 33 6300/6310 Treadmill Electronics Repair Manual – Display 6300/6310 Display Board Wire Connection Picture CON8 To Emergency Stop Knob CON3 Note: A black jumper is placed To Heart Touch here on units without the stop Rate Board knob. CON4, CON5 CON4,CON5 To C-SAFE Board 接至...
  • Page 34 6300/6310 Treadmill Electronics Repair Manual – Display 6300/6310 Display Board LEDs LED20 C-SAFE Indicator Lit: Power is supplied for C-SAFE operation. LED21 POWER Indicator Lit: Power is supplied for display operation. DISPLAY.03...
  • Page 35 6300/6310 Treadmill Electronics Repair Manual – Display 6300/6310 Display VCC Circuit Voltage Test LED21 Display Power Indicator and Capacitor C26 Test Procedure 1. Inspect whether LED21, the VCC circuit voltage indicator, lights. LED21 lights when the display has voltage from the drive board.
  • Page 36 6300/6310 Treadmill Electronics Repair Manual – Display 6300/6310 Display VBB Circuit Voltage Test Test Procedure: Place probes as shown on the pins of capacitor C41. Normal reading: 14 VDC. DISPLAY.05...
  • Page 37 6300/6310 Treadmill Electronics Repair Manual – Display Display Board Main Program IC U5 Program IC U5 DISPLAY.06...
  • Page 38 6300/6310 Treadmill Electronics Repair Manual – Display 6310 Display Board - Front View DISPLAY.07...
  • Page 39 DRIVE BOARD.01 – Drive Board Wire Connection Diagram DRIVE BOARD.02 – 6300/6310 Drive Board Wire Connection Picture DRIVE BOARD.03 – 6300/6310 Drive Board LEDs – Normally Lit DRIVE BOARD.04 – 6300/6310 Drive Board LEDs – Normally Not Lit DRIVE BOARD.05 – 6300/6310 Drive Board Picture DRIVE.00...

  • Page 40: Drive Board Wire Connections

    6300/6310 Treadmill Electronics Repair Manual – Drive Drive Board Wire Connections Power Display Board Cord On/Off Switch Filter Stride Motor Inductor Drive Board (6310 Only) Transformer Thermal Optic Sensor Motor Fuse DRIVE.01...
  • Page 41 6300/6310 Treadmill Electronics Repair Manual – Drive 6300/6310 Drive Board Connection Picture CON7 M+, M- L1,L2 Connects to motor thermal Connects to 接至電感器 fuse. motor. CIN4 遮斷器接 L1, L2 Connects to inductor. 線 CON3 Connects to incline motor. CON2 CON4, CON5 CIN4 遮斷器接...
  • Page 42 6300/6310 Treadmill Electronics Repair Manual – Drive 6300/6310 Drive Board LEDS – Normally Lit LED6 “SOFT” Circuit LED LED10 “CLK” LED LED9 “Belt Pull” LED Lights two seconds after Lights to indicate Lights normally. Extinguishes if unit power comes on.
  • Page 43 6300/6310 Treadmill Electronics Repair Manual – Drive 6300/6310 Drive Board LEDs – Normally Not Lit LED8 “IGBT Short” LED Lights to indicate an IGBT short. Replace the drive board. LED5 Incline “Overextend” LED7 “Current Restriction” LED Lights to protect drive board...
  • Page 44 6300/6310 Treadmill Electronics Repair Manual – Drive 6300/6310 Drive Board Picture Note: The 6300/6310 drive board has been revised since this picture was taken. The new drive board is version 3.2 and includes a small incline control board which partially covers LED 1, 5 and 6.
  • Page 45 MOTOR.01 – 6300/6310 Motor System Operation MOTOR.02 – 6300/6310 Voltage to Motor – Test Configuration MOTOR.03 – 6300/6310 Voltage to Motor – Test Procedure, Test Results MOTOR.04 – 6300/6310 Motor Circuit and OHM Test Configuration, Procedure MOTOR.05 – 6300/6310 Transformer Test Configuration MOTOR.06 –...
  • Page 46 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Motor System Operation Display Board Optic Sensor Motor Speed Signal Signal Sensor Output Output Inductor 5 pin Optic Sensor Motor Drive Board Voltage Output Transformer 2 pin Motor 1. Display emits the speed signal, which travels from the ribbon cable to the drive board.
  • Page 47 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Voltage to Motor – Test Configuration MOTOR.02...
  • Page 48 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Voltage to Motor – Test Procedure 1. Put multimeter to the DC voltage setting. Place probes as shown on the drive board M+ and M- connectors. 2. Turn on unit power. Press SPEED<▲> key. The multimeter should show an increase in voltage.
  • Page 49 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Motor Integrity and OHM Test Configuration 6300/6310 Motor Integrity Test Procedure Remove the M+ M- wires from the drive board. Put multimeter to the 200 VDC setting. Place one probe on the M+ wire. Place the other probe on the M- wire. Spin the motor flywheel with your hand. Normal results: The faster the motor spins, the more voltage is produced.
  • Page 50 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Transformer Test - Configuration Transformer CON1 Transformer Wire Connector Drive Board MOTOR.05...
  • Page 51 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Transformer Test Procedure 1. Make sure that transformer wire connections (CON1) to the drive board are secured. Turn unit on. 2. Put multimeter to the AC voltage setting. Insert meter probes into the transformer primary (red) wires as shown.
  • Page 52 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Inductor Test Configuration 6300/6310 Inductor Test Procedure 1. Disconnect the inductor wires from the drive board. 2. Put multimeter to the Ohm setting. Place one probe on each wire end. 3. Normal reading: 0.4 Ohm.
  • Page 53 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Optic Sensor Signal Test LED10 CLK LED Optic Sensor Wheel Optic Sensor Board MOTOR.08...
  • Page 54 6300/6310 Treadmill Electronics Repair Manual – Motor 6300/6310 Optic Sensor Signal Test Procedure Turn on unit power. Do not press display keys. Use your hand to rotate the motor flywheel. Normal result: LED 10 lights to indicate the optic sensor signal entering the drive board. The LED appears to flicker at a low speed and remain lit at high speed.
  • Page 55 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 Incline System Operation INCLINE.01 – 6300/6310 Incline System Operation INCLINE.02 – 6300/6310 Voltage to Incline Motor – Test Configuration INCLINE.03 – 6300/6310 Voltage to Incline Test Procedure, Results INCLINE.04 – 6300/6310 Incline VR Voltage –Test Configuration INCLINE.05 –...
  • Page 56 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 Incline System Operation Display Board Incline VR Incline Signal Command Output 3 pin Incline VR Motor Drive Board Voltage Output Transformer LED3 - Incline Down 2 pin Incline Motor LED4 - Incline Up 1.
  • Page 57 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 Voltage to Incline Motor - Test Configuration INCLINE.02...
  • Page 58 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 Voltage to Incline Test Procedure 1. Put multimeter to the DC Voltage setting. Insert the red probe into the CON3 white wire connector. Insert the black probe into the CON3 green wire connector. Turn on unit power.
  • Page 59 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 Incline VR Voltage - Test Configuration INCLINE.04...
  • Page 60 6300/6310 Treadmill Electronics Repair Manual – Incline 6300/6310 VR Voltage Test Procedure 1. Put multimeter to the DC Voltage setting. Place one probe on the CON2 connector blue wire. Place the other probe on the CON2 connector green wire. 2. Turn on unit power. Normal reading: 1.10 to 3.60 VDC.
  • Page 61 6300/6310 Treadmill Electronics Repair Manual – Calibration 6300/6310 Incline Calibration CALIBRATION.01 – 6300/6310 Incline Calibration Overview CALIBRATION.02 – Mechanical Calibration CALIBRATION.03 – Electronic Calibration CALIBRATION.04 – Incline Calibration Testing CALIBRATION.00...
  • Page 62 6300/6310 Treadmill Electronics Repair Manual – Calibration 6300/6310 Incline Calibration Overview Incline calibration is necessary when: the display shows ERR7; the drive board incline error LED ( LED5) lights; or the incline has extended beyond its normal range. The goal of calibration is to synchronize the incline set mechanically and electronically.
  • Page 63 6300/6310 Treadmill Electronics Repair Manual – Calibration Mechanical Calibration Step 1. Turn the unit on its side, Step 2. Turn the incline motor pipe until and pull out the incline pin. the red line on the thin pipe is visible just above the end of the thick pipe.
  • Page 64 6300/6310 Treadmill Electronics Repair Manual – Calibration Electronic Calibration Step 1. Remove the VR cover Step 2. Set multimeter to the DC volt setting. Insert multimeter but do not detach VR wires. probes into the VR blue and green wire connectors on the drive board.
  • Page 65 6300/6310 Treadmill Electronics Repair Manual – Calibration Incline Calibration Testing Test the calibration by running the incline. At the physical 0% position, the display should show 0% incline. At the physical 15% position, the display should show 15% incline. Incline operation should be smooth.
  • Page 66 6300/6310 Treadmill Electronics Repair Manual – Heart Rate 6300/6310 Heart Rate System Operation HR.01 – Heart Touch Rate (HTR) Operation HR.02 – POLAR Heart Rate (HR) Operation HR.03 – HTR Board LED Operation, LED Indicator Definitions HR.04 – Possible Malfunctions, Troubleshooting HR.05 –...
  • Page 67 6300/6310 Treadmill Electronics Repair Manual – Heart Rate Heart Touch Rate (HTR) Operation HTR Handlebar HANDLE BAR PULSE Display Board 心跳小板 3 PIN CABLE HTR Board HTR Handlebar HANDLE BAR Order Part Operation 1.Place both hands on the HTR handlebars. The handlebars detect the user’s pulse.
  • Page 68 6300/6310 Treadmill Electronics Repair Manual – Heart Rate POLAR Heart Rate (HR) Operation POLAR POLAR HTR Board Display Board HR Transmitter Receiver Board 3-pin Cable Order Part Operation 1. User wears the POLAR heart rate strap. 2. POLAR transmitter detects the user’s heart rate.
  • Page 69 6300/6310 Treadmill Electronics Repair Manual – Heart Rate HTR Board LED Operation LED2 LED3 LED4 LED1 LED Indicator Definitions Function LED1 LED2 LED3 LED4 X - Not lit in HTR Lights when user Flashes to Lights when HTR handlebars are mode.

  • Page 70: Troubleshooting

    6300/6310 Treadmill Electronics Repair Manual – Heart Rate Possible Malfunctions 1. Strap on a Polar heart rate transmitter or hold onto the HTR handlebar. The display PULSE window shows no heart rate value. 2. The PULSE window shows the heart rate value inappropriately – when no one touches the HTR handlebar or when no one wears the Polar strap.
  • Page 71 6300/6310 Treadmill Electronics Repair Manual – Heart Rate HTR Cable/Handlebar Test Procedure A lack of continuity or a short in the wiring between the HTR board and handlebars could result in either no heart rate reading, intermittent readings, or bad heart rate readings.
  • Page 72 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting 6300/6310 Troubleshooting ERR1.01 – ERR 1 – Motor Movement ERR1.02 – Troubleshooting: ERR1 Motor Movement ERR1.03 – ERR 1 – No Motor Movement ERR1.04 – Troubleshooting: ERR1 Motor Movement ERR3.01 – ERR 3 ERR3.02 –...
  • Page 73 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting ERR 1 – Motor Movement ERR1 indicates a speed issue. In this case, the motor speed as reported from the optic sensor differs from the speed setting. Analysis: Optic sensor signal issue -- Either the optic sensor signal is not right, or it is read incorrectly, or the signal is not reaching the display.
  • Page 74 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting Troubleshooting: ERR1 – Motor Movement Since the motor moves when you press speed up, focus on the optic sensor, its wire connections, and the optic sensor wheel. If all seems well at the sensor, inspect the motor.
  • Page 75 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting ERR 1 – No Motor Movement ERR1 indicates a speed issue. In this case, the motor does not operate when it should. Analysis: Either the drive board is not putting out power to the motor, or the motor is malfunctioning.
  • Page 76 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting Troubleshooting: ERR 1 – No Motor Movement Turn unit power off and then on to clear the ERR1 message from the display. To test whether the drive board is putting out power to the motor, insert multimeter probes on the M+ M- connectors and press the speed up key.
  • Page 77 ERR3 indicates that the actual unit speed differs from the speed setting. Unlike older SportsArt treadmills, though, ERR3 cannot be produced in 6300/6310 models by the user pulling the belt faster than the speed setting. Resolve an ERR3 issue much like you would an ERR1 with belt movement: check the optic sensor first.
  • Page 78 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting ERR 3 Troubleshooting Inspect the optic sensor and other components as follows. Optic Sensor Optic sensor wheel – Make sure that the optic sensor wheel rotates securely, without wobbling, between the black optic sensor nubs. Realign and tighten if necessary. If optic sensor wheel teeth are missing or bent, replace the optic sensor wheel.
  • Page 79 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting ERR 7 Either the main program IC didn’t detect the incline VR voltage, or the incline VR voltage exceeds the range setting. Display Board Incline VR Voltage Incline Motor LED5 ER R Incline VR...
  • Page 80 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting ERR 7 Troubleshooting ERR7 is an incline system VR error. Check the incline VR first. Other possible causes include a bad data cable, drive board IC, and display IC. LED 5 on the drive board lights when the VR exceeds the set range.
  • Page 81 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting Display Does Not Light Malfunction: Turn on unit power. Display does not beep once; display LEDs do not light. Display Board Power Cord FUSE Drive Board On/Off Transformer Switch Filter NO DISPLAY.01...
  • Page 82 6300/6310 Treadmill Electronics Repair Manual – Troubleshooting Troubleshooting: Display Does Not Light Trace the power into the unit. The problem exists where the power desists. Power socket in the wall - Provides 110 to 120 VAC. If not, inspect the circuit breaker.
  • Page 83 6300/6310 Treadmill Electronics Repair Manual – Testing Testing Components Unique to 6300/6310 Treadmills FILTER.01 – EMI Filter FILTER.02 – EMI Filter Test THERMAL FUSE.01 – Thermal Fuse Placement THERMAL FUSE.02 – Thermal Fuse Operation THERMAL FUSE.03 – Thermal Fuse Troubleshooting EMERGENCY STOP.01 –...
  • Page 84 6300/6310 Treadmill Electronics Repair Manual – Testing EMI Filter The EMI filter prevents interference to other electronic products. A malfunctioning filter would allow Interference to other product operation or possibly prevent voltage from arriving to the drive board. EMI Filter Test Put the multimeter to the ohm setting.
  • Page 85 6300/6310 Treadmill Electronics Repair Manual – Testing EMI Filter Test (Continued) Put the multimeter to the ohm setting. Place probes as shown below. Test 3. Point A to Point E; Normal reading: No reaction (1 or OL). Test Figure Test Point Normal Reading Test Item Fig.
  • Page 86 6300/6310 Treadmill Electronics Repair Manual – Testing Thermal Fuse Placement Thermal Fuse Connector Wire Drive Motor Thermal Fuse Motor Thermal Fuse Wire Connection to Drive Board THERMAL FUSE.01...
  • Page 87 6300/6310 Treadmill Electronics Repair Manual – Testing Thermal Fuse Operation Design Change Implementation Display Board Model, Date, IC, Serial Number 6300, 03/30/04, M63T-4B, 0077981; Thermal Fuse 6310, 04/27/04, B631H-4B, 0078117; Signal 6320, 0091593, B632H-4B, 0091593; Information above marks the start of a Motor thermal fuse operation design change.
  • Page 88 6300/6310 Treadmill Electronics Repair Manual – Testing Thermal Fuse Troubleshooting If the “Service required” indicator lights, check the motor. Is it hot? If the motor is not hot, and the indicator lights, check the fuse wire and its connections. Replace the thermal fuse if wires and connections are good but the indicator lights when the motor is cool.
  • Page 89 1. While unit is in operation, press the emergency stop knob down. The circuit loses continuity. The display beeps once. Treadmill action stops. On 6300, the display main window shows: “_ _ _ _”. On 6310, the display main window shows: “RESET EMERGENCY STOP BUTTON”.
  • Page 90 6300/6310 Treadmill Electronics Repair Manual – Testing Emergency Stop Knob Troubleshooting If the emergency stop knob malfunctions – activating when it shouldn’t, or not activating when it should – inspect its wire connections, test wire continuity, and test the stop knob switch itself.
  • Page 91 6300/6310 Treadmill Electronics Repair Manual – Testing Emergency Stop Knob Revision Treadmills made in and after September 2004 did not have the emergency stop knob. The knob was was removed mainly because customers complained that end users didn’t know how to operate it.
  • Page 92 6300/6310 Treadmill Electronics Repair Manual – Testing Key Operation Key circuits have continuity when keys are pressed down and don’t have continuity when not pressed down. Key signals travel from the keypad via the wire connector to the display board. A sign of a possible key malfunction, (or a wire break or short) occurs when the treadmill acts as if a key has been pressed when no key was pressed, or the treadmill does not react when a key has been pressed.
  • Page 93 6300/6310 Treadmill Electronics Repair Manual – Testing Key Test Procedure Put multimeter to the ohm setting. Place probes as shown on points A and B. Normal reading when key is not pressed down: no reaction, OL or l (open line).
  • Page 94 6300/6310 Treadmill Electronics Repair Manual – Reference Reference REF.01 – 6300/6310 Drive Board LED Reference Chart REF.02 – 6300/6310 Display LED Reference Chart, 6300/6310 Fuse Reference Chart REF.03 – VR Voltages for Various SportsArt Treadmill DC Incline Motors REF.00...
  • Page 95 6300/6310 Treadmill Electronics Repair Manual – Reference 6300/6310 Drive Board LED Reference Chart LED Position Color Name Action Mid left, Power Lights when power switch is on; extinguishes when power switch is turned off or when high the emergency knob is pressed. Relights when emergency knob is reset.
  • Page 96 6300/6310 Treadmill Electronics Repair Manual – Reference 6300/6310 Display LED Reference Chart Position Color Name Action LED 20 Top right C-Safe Lights to indicate that the display is supplying 5 VDC for C-SAFE operation. LED lights regardless of whether C-SAFE power is actually being used.
  • Page 97 6300/6310 Treadmill Electronics Repair Manual – Reference VR Voltages for Various SportsArt Treadmill DC Incline Motors Incline Position Incline VR Range (Blue & Green) Model VR Voltage High VR Voltage Blue & Green Wires Blue & Green Wires 1210 1.20 VDC 3.30 VDC...
  • Page 98 6300/6310 Treadmill Mechanical Maintenance and Repair Guide Version: 2.1; Date: 03-18-05...
  • Page 99 SportsArt 6300/6310 Treadmill Mechanical Maintenance and Repair Guide was designed to help technicians in the field. It includes maintenance and repair tips associated with mechanical issues. For electronic issues, please see 6300/6310 Treadmill Repair Guide – Electronics. Our goal is to make manuals easy to use and helpful. If you have suggestions or comments, we want to hear them.

  • Page 100: Table Of Contents

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide Table of Contents I. 6300/6310 Treadmill Diagrams and Part Lists 1-1-1. CONTENTS REMOVED 03-18-05. Please see updated blowup diagrams and part lists on our website. 2. Treadmill Maintenance 2-1-1. Front Roller Maintenance (Continued on 2-1-2) 2-2-1.

  • Page 101: Contents

    5-4-3. 6310 Handlebar – HTR+HRC 6. Part Installation 6-1-1. Replacing the VR Set (Continued through 6-1-5) 6-2-1. Removing the Motor Cover on 6300 Treadmills 6-2-2. Installing the Motor Cover on 6300 Treadmills 6-3-1. Removing the Motor Cover on 6310 Treadmills 6-3-2.

  • Page 102: Contents

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide Table of Contents 7. Troubleshooting 7-1-1. Problem: Abnormal Noise – Installation Issues (Cont. through 7-1-3) 7-2-1. Problem: Abnormal Noise – Wear Issues (Cont. through 7-2-4) 0-0-3...

  • Page 103: Contents

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide I. 6300/6310 Treadmill Diagrams and Part Lists 1-1-1. CONTENTS REMOVED 03-18-05. Please see our website for updates. 1-0-0...

  • Page 104: Treadmill Maintenance

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 2. Treadmill Maintenance 2-1-1. Front Roller Maintenance (Continued on 2-1-2) 2-2-1. Rear Roller Maintenance (Continued through 2-2-3) 2-3-1. Cleaning Under the Motor Cover 2-4-1. Guide Roller Maintenance 2-5-1. Walk Belt and Deck Maintenance...

  • Page 105: Front Roller Maintenance (Continued On 2-1-2)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Front Roller Maintenance Step Procedure Goal Illustration Inspect unusual bearing Rotate the roller. noise. Eliminate dust bunnies Clean bearing area. 軸承 debris. 2-1-1...
  • Page 106 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Front Roller Maintenance (Cont.) Step Procedure Goal Illustration Eliminate debris from the area Clean roller surface. shown in the circle on right. Eliminate debris from area shown Clean the belt pulley.

  • Page 107: Rear Roller Maintenance (Continued Through 2-2-3)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Rear Roller Maintenance Step Procedure Goal Illustration Inspect unusual bearing Rotate the roller noise. 軸承 Eliminate dust bunnies Clean roller bearing area. debris. 2-2-1...
  • Page 108 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Rear Roller Maintenance (Cont.) Step Procedure Goal Illustration Eliminate debris from area circled Clean roller surface. on the right. 2-2-2...

  • Page 109: Cleaning Under The Motor Cover

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Cleaning Under the Motor Cover Step Procedure Goal Illustration Clean dust bunnies and debris Use a vacuum and a small, soft from under the motor cover as brush to clean components needed.

  • Page 110: Guide Roller Maintenance

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Guide Roller Maintenance Step Procedure Goal Illustration Rotate the guide roller. Inspect bearings for damage. Clean guide roller surface. Eliminate dust from roller Suggested cleaner: Diluted surface. Simple Green. 2-4-1...

  • Page 111: Walk Belt And Deck Maintenance

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Maintenance Walk Belt and Deck Maintenance Step Procedure Goal Illustration Turn off unit power. Rub a clean towel between the walk Clean deck belt, belt and the deck. Clean the eliminating debris that causes whole length of the deck.

  • Page 112: Inspections

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 3. Inspections 3-1-1. Inspection to Prevent Noise 3-0-0...

  • Page 113: Inspection To Prevent Noise

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Inspection Inspection to Prevent Noise Item Inspect (Illustration) Key Points Screw tightness (Fig. 1) Screws cannot be loose. Keep screws tight. Walk belt tightness Maintain proper walk belt tightness. Drive belt tightness Maintain proper drive belt tightness.

  • Page 114: Adjustments

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 4. Adjustments 4-1-1. Adjusting the Drive Belt (Continued through 4-1-3) 4-2-1. Centering the Walk Belt (Continued through 4-2-2) 4-3-1. Adjusting the Walk Belt 4-0-0...

  • Page 115: Adjusting The Drive Belt (Continued Through 4-1-3)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Adjusting the Drive Belt Problem: Drive belt spins without engaging the front roller. (Drive belt is too loose.) Follow instruction below to adjust the drive belt. Order Adjustment Method Picture First, loosen the motor bolts (marked A in the picture to the right) but leave them in place.
  • Page 116 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Adjusting the Drive Belt (Cont.) Order Adjustment Procedure Picture Loosen the nut marked B in the picture to the right. Tighten the bolt marked A so the drive belt can be pressed down about one inch and twisted at the side to 90 degrees.
  • Page 117 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Adjusting the Drive Belt (Cont.) Order Adjustment Procedure Picture Use your foot to bear against the treadmill walk belt briefly. Inspect whether the drive belt fails to engage either the front roller or the drive motor pulley.
  • Page 118 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Adjusting the Drive Belt (Cont.) Order Adjustment Procedure Picture If the drive belt is too loose, tighten screw A as shown in step 3. Inspect as shown in steps 4~6 until the proper belt tightness is obtained.

  • Page 119: Centering The Walk Belt (Continued Through 4-2-2)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Centering the Walk Belt Problem: The walk belt tends to move to one side. Follow the steps below to center the belt. Order Problem Adjustment Method Picture Turn the allen wrench on the right The walk belt tracks to clockwise.
  • Page 120 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Centering the Walk Belt Picture Order Problem Adjustment Method The treadmill should run with equal amount of space on both sides of the walk belt. If See steps 1 and 2.

  • Page 121: Adjusting The Walk Belt

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Adjustments Adjusting the Walk Belt Problem: The walk belt stops moving if you bear down against it. (Walk belt is too loose.) Adjustment Procedure Step Method Set the walk belt in the middle of the deck. (See Centering the Walk Belt.) Tighten both sides of the walk belt equally (Figure 1).

  • Page 122: Components

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 5. Components 5-1-1. Incline Motor Set (Continued through 5-1-2) 5-2-1. Direct Current (DC) Motor 5-3-1. 6300 Handlebar – No HTR 5-3-2. 6300 Handlebar – HTR 5-4-1. 6310 Handlebar – No HTR 5-4-2. 6310 Handlebar – HTR and HRC 5-4-3.

  • Page 123: Incline Motor Set (Continued Through 5-1-2)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components Incline Motor Set (Bubble No. 026 in the 6300 Blowup Diagram; Note: Incline sets in 6300/6310 are the same.) Diagram Number Incline motor set 061670010 161591070 Part Part Number (PCs per unit)
  • Page 124 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components Incline Motor Set (Bubble No. 057 in 6310 Blowup Diagram; Note: Incline sets in 6300/6310 are the same.) Diagram Part Number Incline motor 061670010 VR box 161591070 Part Part Number (PCs per unit)

  • Page 125: Direct Current (Dc) Motor

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components Direct Current (DC) Motor Diagram No. Motor brush housing – Part Part Number 060141010 with cap Motor brush 060173110 Part Location DC Motor Exploded View Motor Brush Housing Brush Cap 5-2-1...
  • Page 126 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components 6300 Handrail – No HTR (019) Diagram No. Isolator 031930180 Handrail sleeve 061530040 HTR connector 050530013 Part Part No. Handrail base (plated) 061610300 Beveled Phillips screws 002207056 (M4*L12) Handrail base (ABS)

  • Page 127: 6300 Handlebar - Htr

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components 6300 Handlebar — HTR (077) Diagram No. Isolator 031930180 Handrail sleeve 061630070 HTR connector 050530010 Part Part No. Handrail base (plated) 061610300 Beveled Phillips screws 002207056 (M4*L12) Handrail lower base (ABS)
  • Page 128 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components 6310 Handlebar — No Heart Rate (011) Diagram No. Isolator 031930180 Handrail sleeve 061630070 Part HTR connector Part No. 050530013 Handrail base (plated) 061610300 Beveled screws (M4*L12) 002207056 Handrail base (ABS)

  • Page 129: 6310 Handlebar - Htr And Hrc

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components 6310 Handlebar — HTR (077) and HRC (085) Diagram No. Isolator 031930180 Handrail sleeve 061630070 Part HTR connector Part No. 050530013 Base (plated) 061610300 Beveled screws (M4*L12) 002207056 Base (ABS) 061630190...

  • Page 130: 6310 Handlebar - Htr+Hrc

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide - Components 6310 Handlebar — HTR+HRC (092) Diagram No. Isolator 031930180 Handrail sleeve 061630070 HTR connector 050530013 Part Part No. Handrail base (plated) 061610300 Beveled Phillips screws 002207056 (M4*L12) Handrail base (ABS) 061630190...

  • Page 131: Part Installation

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 6. Part Installation 6-1-1. Replacing the VR Set (Continued through 6-1-5) 6-2-1. Removing the Motor Cover on 6300 Treadmills 6-2-2. Installing the Motor Cover on 6300 Treadmills 6-3-1. Removing the Motor Cover on 6310 Treadmills 6-3-2.

  • Page 132: Replacing The Vr Set (Continued Through 6-1-5)

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set Figure 1 Figure 2 Prop up the frame with a block of Remove end cover and landing strip screws. Pull off end covers and landing strips toward the wood about 7 inches (80 mm) to take weight off the incline set.
  • Page 133 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set (Cont.) Figure 3 Figure 4 Disconnect the incline motor 2- and 3-pin wires. Figure 5 Use needle-nose pliers to remove the kotter pin and pull out the lower incline pin.
  • Page 134 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set (Cont.) Figure 6 Figure 7 Remove the incline motor set. Figure 8 Place the incline motor set on a table. Hold the place marked C securely. To free a bound incline set, insert∮9~9.5...
  • Page 135 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set (Cont.) Figure 9 Figure 10 Take the screws out and remove the VR set. Figure 11 Put new VR set in place. Tighten the screws. Place the incline motor set back in place.
  • Page 136 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set (Cont.) Figure 12 Figure 13 Insert the upper incline pin. Insert the kotter pin. Figure 14 Insert the lower incline pin. Insert the kotter pin. Attach the two- and three-pin wires to the drive board.
  • Page 137 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Replacing the VR Set (Cont.) Figure 15 Figure 16 Put landing strips and end caps into place and tighten the screws. Remove the block, put the motor cover in place, and tighten the motor cover screws.

  • Page 138: Removing The Motor Cover On 6300 Treadmills

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Removing the Motor Cover on 6300 Treadmills Step 1 Remove the motor cover screws and lift off the motor cover. Step 2 Loosen the end cap screws and remove the end caps.

  • Page 139: Installing The Motor Cover On 6300 Treadmills

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Installing the Motor Cover on 6300 Treadmills Step 1 Set motor cover in place. Fasten screws. Step 2 Slide landing strip into place. Slide end cap into place. Fasten screws.

  • Page 140: Removing The Motor Cover On 6310 Treadmills

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Removing the Motor Cover on 6310 Treadmills Step 1 Remove motor cover screws. Step 2 Lift off the motor cover from the front, pulling upward and backward. 6-3-1...

  • Page 141: Installing The Motor Cover On 6310 Treadmills

    SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Installing the Motor Cover on 6310 Treadmills Step 1 Fasten motor cover screws. Step 2 Put the new motor cover in place, setting down the side closest to the on/off switch first.
  • Page 142 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Procedure for Replacing the Emergency Stop Knob Step 1 Step 2 Remove screws from the display. Open the First, loosen the R-shaped clip, cut the zip tie to display. Disconnect the emergency stop switch free the wires.
  • Page 143 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Procedure for Replacing the Emergency Stop Knob (Cont.) Step 3 Step 4 Special Emergency Insert Wrench Wrench Stop Knob into Slot Sleeve Turn to Loosen Remove parts as shown. Note that the...
  • Page 144 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Procedure for Replacing the Emergency Stop Knob (Cont.) Step 5 Step 6 Special Emergency Insert Wrench Wrench Stop Knob into Slot Sleeve Turn to Tighten Install parts as shown and rotate to tighten. Note that the emergency stop knob sleeve must be installed with a special Lift the lower part of the display and turn it over.
  • Page 145 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Part Installation Procedure for Replacing the Emergency Stop Knob (Cont.) Step 7 Step 8 POLAR Board Wires Emergency Stop Knob Wires R-Clip Zip Tie Adjust wire positions. Fasten the R-shaped clip and attach zip ties. Lower the display bottom Connect wires to their sockets on the display board and cover into place and tighten screws.
  • Page 146 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide 7. Troubleshooting 7-1-1. Problem: Abnormal Noise – Installation Issues (Cont. through 7-1-3) 7-2-1. Problem: Abnormal Noise – Wear Issues (Cont. through 7-2-4) 7-0-0...
  • Page 147 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise – Installation Issues Step Inspection Point Possible Abnormality Inspection Procedure If the leveler nut is not secured Inspect whether the leveler nut is Is the leveler nut and foot adjusted...
  • Page 148 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Use Step Inspection Point Possible Abnormality Inspection Procedure If the drive belt is too loose, the belt Inspect drive belt grooves for wear. Is the drive belt too loose? can jump around.
  • Page 149 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Use Step Inspection Point Possible Abnormality Inspection Procedure During use, grease dissipates, Is there grease in the deck bolt Use your hand to feel whether there is...
  • Page 150 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Use Step Inspection Point Possible Abnormality Inspection Procedure Loose screws allow undesirable Inspect all screws, especially those Are screws tight? movement, which makes noise. that are tightened during assembly.
  • Page 151 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise – Wear Issues Step Inspection Point Possible Abnormality Inspection Procedure After a long period of use, motor Inspect motor brushes for wear. Are motor brushes worn? brushes wear down, causing an Inspect whether the motor sparks.
  • Page 152 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Use Step Inspection Point Possible Abnormality Inspection Procedure Inspect whether front roller If the treadmill walk belt or drive belt is bearings move smoothly. Inspect Are the front roller bearings bad? too tight, roller bearing life shortens;...
  • Page 153 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Operation Step Inspection Point Possible Abnormality Inspection Procedure If the walk belt is too tight, the rear Inspect whether the rear roller spins roller bearing trace gap widens, smoothly.
  • Page 154 SportsArt 6300/6310 Mechanical Maintenance and Repair Guide – Troubleshooting Problem: Abnormal Noise During Operation Step Inspection Point Inspection Procedure Possible Abnormality Dust damages roller bearings, Inspect whether the guide roller Guide roller bearings causing noise. rotates smoothly. Illustration: The screwdriver “stethoscope.”...

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