SportsArt Fitness T652 Repair Manual
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SportsArt Fitness T652 Repair Manual

Electronics
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T652 Repair Manual (Electronics)

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Summary of Contents for SportsArt Fitness T652

  • Page 1 T652 Repair Manual (Electronics)
  • Page 2 3-10-1. Troubleshooting – ERROR_2_1_T652 3-11-1. Troubleshooting – ERROR_3_1_T652 3-12-1. Troubleshooting – ERROR_8_1_T652 3-12-2. Troubleshooting – ERROR_8_2_T652 3-13-1. Troubleshooting – SERVICE NEEDED-APPLY LUBE-T652 3-14-1. Other - KPH/MPH, distance, time, display/drive board program versions - T652 3-15-1. Other – Error Message Chart - T652...
  • Page 3 1-1. Product Illustration 1-1-1...
  • Page 4 1-2. Display - T652 1-2-1...
  • Page 5 1-3. Component Placement - T652 Display Telemetry heart rate receiver Display board IPOD earphone board HTR board IPOD audio board CARDIO board Bridge board 1-3-1...
  • Page 6 1-3. Component Placement - T652 Drive Compartment EAC drive board EAC servo motor (green sticker designates EAC) Inductor AC incline motor Filter 1-3-2...
  • Page 7 1-4. Block Diagram of Electronic Components - T652 Cardio board Polar board Polar board Display board iPod board iPod Keypad Safety key board Bridge board HTR board Motor Fuse Filter Drive board Speed sensor Inductor Thermal switch Incline motor 0% switch...
  • Page 8 1-5. Cable Connections - T652 Display To telemetry heart rate receiver To bridge board To drive board To iPod board To cardio board To iPod board 1-5-1...
  • Page 9 1-5. Cable Connections - T652 EAC Drive Board To thermal sensor To motor To filter To incline motor To display board 接至電子表組 To incline 0% switch To motor speed sensor 1-5-2...
  • Page 10 1-6. Indicator LEDs - T652 Display Board Power indicator LED Indicates display is receiving power. 1-6-1...
  • Page 11 1-6. LED Indicators - T652 Drive Board F1 fuse 15A 1-6-2...
  • Page 12 1-7. Electronic Specifications - T652 Details Notes Item 110V / 220V Power supply AC servo motor (includes internal thermal sensor) Motor 5.0 HP Speed sensor Optic encoder Japanese version limits KPH: 0.2 - 24.0 (KPH) speed to 18 KPH Speed range MPH: 0.1 –15.0 (MPH)
  • Page 13 2-1. Electronic Component Troubleshooting Chart - T652 Malfunction Circumstance Inspection or test point Replace Notes Safety key Put Safety key in place. 1. Inspect the cable connections at the bridge board and Safety key board operation is There is no reaction from the...
  • Page 14 2-1. Electronic Component Troubleshooting Chart - T652, Continued. Malfunction Circumstance Inspection or test point Replace Notes ERR0R_1_1_ Servo motor encoder 1. If motor does not rotate, the EAC drive board could be the issue. 1. EAC malfunction 2. If the motor rotates and ERROR_1_1_ appears, replace the motor drive board speed sensor.
  • Page 15 2-1. Electronic Component Troubleshooting Chart - T652, Continued. Malfunction Circumstance Inspection or test point Replace Notes ERROR_4_3_ High voltage supply 1. External power supply voltage is too high. 2. Turn off unit. Re-start the unit. If the message still appears, this may be a time period of low voltage use, creating excessive voltage.
  • Page 16 2-1. Electronic Component Troubleshooting Chart - T652, Continued. Malfunction Circumstance Inspection or test point Replace Notes Show total Press the <CHANGE> key three seconds distance to see KM/Miles, total distance, total time, display IC version, drive board IC version. Contact HTR FOR ACCURATE HR, HOLD 1.
  • Page 17 Troubleshooting Model: T652 Malfunction: Safety key malfunction Circumstance: Put the safety key in place; the display shows no reaction; “Safety key” error message appears. Possible causes: Safety key board malfunction Troubleshooting: 1. Inspect the safety key magnet. 2. Inspect the bridge board wire connections.

  • Page 18: Troubleshooting

    Troubleshooting Model: T652 Malfunction: Unit will not start operating. Main program IC Circumstance: Turn POWER ON; the display does not light. Possible cause: Incoming power issue; component failure. Troubleshooting: 1. Inspect the main fuse and power switch. 2. Inspect all cable connections.
  • Page 19 Troubleshooting Model: T652 Malfunction: Telemetry heart rate malfunction Circumstance: Telemetry heart rate reading does not appear or the value is incorrect. Possible cause: 1. Telemetry heart rate batteries 2. Heart rate receiver 3. Environmental interference, for example, lights and speakers Troubleshooting: 1.
  • Page 20 Troubleshooting Model: T652 Malfunction: Soft key malfunction Circumstance: Press display board keys. There is no reaction, or keys operate continuously. Possible causes: 1. Soft keys are not connected properly at the bridge board. 2. Soft keys are bad. Troubleshooting: 1. Inspect the soft key connection at the bridge board.
  • Page 21 Troubleshooting Model: T652 Key cushions Malfunction: Key malfunction – display keys Circumstance: Press display keys; there is no reaction; Or keys operate continuously. Possible causes: 1. Display key switch malfunction: SW1-SW25. 2. Key cushions are out of place. Troubleshooting: 1. Inspect key cushions.
  • Page 22 Troubleshooting Model: T652 Malfunction: Incline will not operate upward or downward. Circumstance: Press incline keys; there is no incline action. Zero switch Possible causes: 1. Zero switch has malfunctioned. Incline Zero switch Drive 2. Cables are not connected. board LED 3.
  • Page 23 Troubleshooting Model: T652 Indicator Name Explanation Malfunction: Contact heart rate (Heart touch rate - HTR) LED1 Telemetry heart Flashes to indicate incoming telemetry Circumstance: Place hands on contact heart rate indicator heart rate signal. rate plates; heart rate value is incorrect.
  • Page 24 Troubleshooting Model: T652 Malfunction: The fuse has burnt. Circumstance: Turn on the unit. The fuse breaks. Possible causes: 1. Components have an electrical short. 2. Drive board component malfunction. Troubleshooting: 1. Inspect cable insulation for tears. 2. Remove the power cable and take continuity readings: There should be no continuity between AC1 and frame.
  • Page 25 Troubleshooting Model: T652 Malfunction: The fuse has burnt. Circumstance: Press the SPEED key; the fuse breaks. Possible causes: 1. The motor has an electrical short. 2. Drive board malfunction Troubleshooting: 1. Replace the drive board. 2. Replace the motor as a test.
  • Page 26 Troubleshooting Model: T652 Malfunction: The fuse has burnt. Circumstance: While in operation, the fuse breaks. Possible causes: 1. Fuse holder connection 2. Walk deck or walk belt is worn. 3. EAC drive board malfunction Troubleshooting: 1. Inspect the fuse and fuse holder installation.
  • Page 27 Troubleshooting Model: T652 Malfunction: ERR0R_1_1_ Circumstance: Press the SPEED key; ERR0R_1_1_ appears. Possible cause: 1.EAC drive board malfunction 2. Motor sensor malfunction 3. Motor malfunction Troubleshooting: 1. Inspect cable connections. 2. Inspect or replace EAC drive board. 3. Replace the encoder or motor.
  • Page 28 Troubleshooting Model: T652 Malfunction: ERR0R_1_2 Circumstance: Display shows ERR0R_1_2. Speed is reduced to half. Possible cause: 1. Severe walk deck and belt wear 2. Motor thermal sensor malfunction or poor cable connection Troubleshooting: 1. When the error appears, inspect whether the motor is hot. If it is hot, walk deck or belt may be worn.
  • Page 29 Troubleshooting Model: T652 Malfunction: ERR0R_1_3_ Circumstance: Display shows ERR0R_1_3. Possible cause: 1. Motor malfunction Troubleshooting: 1. Re-start unit and inspect for error message. 2. Stop the treadmill ten minutes and test again. 3. Inspect drive belt. 4. Replace the motor as a test.
  • Page 30 Troubleshooting Model: T652 Malfunction: ERR0R_2_1_, ERR0R_2_2_ Circumstance: Display shows ERR0R_2_1. Possible cause: 1. EAC drive board IGBT heat or current is excessive. Troubleshooting: 1. Re-start unit and test again. 2. Stop operating the unit for ten minutes.Then re-test. 3. If issue persists, replace the EAC drive board.
  • Page 31 Troubleshooting Model: T652 Zero switch Malfunction: ERROR_3_1_ Position Incline Zero switch Drive board Circumstance: Turn off unit. Incline does not return to level. Possible cause: 1. When the treadmill starts, the incline lowers, Hits switch activating the zero switch, calibrating the incline.
  • Page 32 Troubleshooting Model: T652 Malfunction: ERROR_8_1_ Circumstance: Start unit. Display shows ERROR_8-1. Possible cause: 1. EAC drive board and display CPU signal transmission Error Troubleshooting: 1. At start up, the display and drive board communicate. If there is no communication, ERROR_8_1_ appears.
  • Page 33 Troubleshooting Model: T652 Malfunction: ERROR_8_2_ Circumstance: In operation, the display shows ERROR_8_2_. Possible cause: 1. Interference disrupts communication between the display and EAC drive board. Troubleshooting: 1. Inspect cable connections between the display and drive boards. 2. When this error appears, re-start the unit. Sometimes, re-starting the unit restores normal communication and operation.
  • Page 34 Troubleshooting Model: T652 Malfunction: SERVICE NEEDED-APPLY LUBE Circumstance: “SERVICE NEEDED-APPLY LUBE” appears. Unit stops operating. Possible cause: Every 4000 km, the display notifies the user that it is time to lubricate the walk belt. Troubleshooting: 1. Display shows “SERVICE NEEDED-APPLY LUBE”.
  • Page 35 Other Model: T652 Item: How to select KPH/MPH units of measure and view distance, time, and display/drive board program versions. Method: 1. Press the <CHANGE> key three seconds to enter the user parameter mode. 2. KPH/MPH setting Display shows “UNIT-MPH” (Imperial standard) or “UNIT-KPH” (Metric standard).
  • Page 36 Other Model: T652 Item: Error Message Chart ERROR_1_1_ : Servo motor encoder abnormality; Re-start unit. ERROR_1_2_ : Servo motor high temperature warning. Unit operates at half speed. ERROR_1_3_ : Servo motor excessive current warning. Re-start unit. ERROR_2_1_ : IGBT excessive current warning. Wait 10 seconds for unit recovery.

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