Vision Fitness U70-02 Service Manual
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Vision Fitness U70-02 Service Manual

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Vision Fitness U70-02 (CB68C)

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Summary of Contents for Vision Fitness U70-02

  • Page 1 Service Manual Vision Fitness U70-02 (CB68C)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1: MAINTENANCE PROCEDURE Preventive Maintenance Schedule…………………………………………………………..4 Cleaning the Grooves………………………………………..........5 CHAPTER 2: WIRING DIAGRAM INSTRUCTION Electrical Installation…………………………………………………………………….…..6 Electrical Diagram…………………………….………………………………………….…...7 Wiring Diagram……………………………………………………………………………..8 Lower Control Board Wiring Diagram………………….………………………….………...8 Console Wiring Diagram……………………………………………………………………...9 CHAPTER 3: ENGINEERING MODE Using Engineering Mode....................11 CHAPTER 4: TROUBLESHOOTING Console Error Codes………………………………………………………………………….12 Troubleshooting –...
  • Page 3 CHAPTER 5: PART REPLACEMENT GUIDE 5.14 Idler Set Replacement....................32 5.15 Generator Belt Replacement..................33 5.16 Generator Replacement....................35 5.17 Transmission Axle Set Replacement ................37 5.18 Pulley Axle Set Replacement..................39 5.19 Rear Stabilizer Replacement..................…42 5.20 Testing the Bike......................…43 CHAPTER 6: SOFTWARE UPGRADE PROCEDURE Software Upgrade Instructions…..................44...

  • Page 4: Chapter 1: Maintenance Procedure

    CHAPTER 1: MAINTENANCE PROCEDURE 1.1 Preventive Maintenance Schedule PREVENTIVE MAINTENANCE SCHEDULE Item Daily Weekly Monthly Quarterly Biannual Annual Console Mounting Inspect Bolts Frame Inspect Display Console Clean Inspect Seat Guide Rods Clean Lubricate Pedals Clean Inspect Handlebar Clean Inspect Handrail & Clean Inspect Handlebar...

  • Page 5: Cleaning The Grooves

    CHAPTER 1: MAINTENANCE PROCEDURE 1.2 Cleaning the Grooves If there is any dust in the grooves of the Poly-V belts and pulleys, noises will be generated during operation. Frequency: Every 3 to 4 months. [Procedure]: 1. Remove the Poly-V belts (450-JFG) and check the grooves of the belt for dirt or dust and clean if any is present. 2.

  • Page 6: Chapter 2: Wiring Diagram Instruction

    CHAPTER 2: WIRING DIAGRAM INSTRUCTION\ 2.1 Electrical Installation...

  • Page 7: Electrical Diagram

    CHAPTER 2: WIRING DIAGRAM INSTRUCTION\ 2.2 Electrical Diagram...

  • Page 8: Wiring Diagram

    CHAPTER 2: WIRING DIAGRAM INSTRUCTION\ 2.3 Wiring Diagram P01- CONSOLE WIRE 2.4 Lower Control Board Diagram 7 pin terminal to the console 3 pin terminal to the generator 2 pin terminal to the power resistor...

  • Page 9: Console Wiring Diagram

    CHAPTER 2: WIRING DIAGRAM INSTRUCTION\ 2.5 Console Wiring Diagram Select switch JQK – Quick key for S70 JQK1 – Quick key for R70 JHD – Console digital wire for S70 JAI – Console wire for S60, U/R 70 JHG1, JHG2 – Hang grip Port Function Quick key cable for S70...

  • Page 10: Chapter 3: Engineering Mode

    CHAPTER 3: ENGINEERING MODE 3.1 Using Engineering Mode 1. Press & Hold both UP and DOWN RESISTANCE keys at the same time for 3-5 second to enter Engineering Mode as shown in Figure A. The display will show “P1 MAX TIME” as shown in Figure B. 2.

  • Page 11: Using Engineering Mode

    CHAPTER 3: ENGINEERING MODE 3.1 Using Engineering Mode – Continued CUSTOMSETTING DEFAULT MINIMUM MAXIMUM DESCRIPTION MAX TIME 99 min 5 min 99 min Set a maximum workout time USER TIME 60 min 5 min 99 min Set a default workout time DF AGE Set a default age for all programs DF LEVEL...

  • Page 12: Chapter 4: Troubleshooting

    CHAPTER 4: TROUBLESHOOTING 4.1 Console Error Codes Error Messages on the Console Code Class Description Solution When UCB implements a command, LCB has not 0x0441 Check the console cable connection, replace the LCB. received this command. Power resistor is short circuited (over 4A), or the current 0x01AC Check the connection of power resistor or replace power resistor is over 3.7A for 1 second.

  • Page 13: Troubleshooting - No Display On The Console Or The Display Is Dim

    CHAPTER 4: TROUBLESHOOTING 4.2 Troubleshooting – No Display on the Console or the Display is Dim NO DISPLAY ON THE CONSOLE OR THE DISPLAY IS DIM POSSIBLE CAUSES: 1. The console is damaged or the console cable is not connected properly. 2.

  • Page 14: Troubleshooting - No Rpm Is Displayed During The Exercise

    CHAPTER 4: TROUBLESHOOTING 4.3 Troubleshooting – No RPM is Displayed During the Exercise NO RPM IS DISPLAYED DURING THE EXERCISE POSSIBLE CAUSES: 1. The console is damaged or the console cable is not connected properly. 2. Poor connection to all the terminals on the lower control board. 3.

  • Page 15: Troubleshooting - All Or Some Of The Function Keys Do Not Respond

    CHAPTER 4: TROUBLESHOOTING 4.4 Troubleshooting – All or Some of the Function Keys Do Not Respond ALL OR SOME OF THE FUNCTION KEYS DO NOT RESPOND POSSIBLE CAUSES: 1) The keypad connection ribbon cable has not been plugged in correctly. 2) The keypad is damaged.

  • Page 16: Troubleshooting - High Or No Resistance

    CHAPTER 4: TROUBLESHOOTING 4.5 Troubleshooting – High or No Resistance HIGH OR NO RESISTANCE POSSIBLE CAUSES: 1) The console is damaged or the console cable is not connected properly. 2) The console cable is damaged. 3) The power resistor is damaged. 4) The LCB is damaged.

  • Page 17: Troubleshooting - Pedals Slipping

    CHAPTER 4: TROUBLESHOOTING 4.6 Troubleshooting – Pedals Slipping PEDALS SLIPPING POSSIBLE CAUSES: 1) The belt tension is not high enough. 2) The one way bearing is damaged. SOLUTION: 1) Remove the covers and check the belt tension. a. Tighten the drive belt tension if needed by moving the spring tension clip to another hole. b.

  • Page 18: Troubleshooting - Heart Rate Function Does Not Work Or Is Reading Incorrectly

    CHAPTER 4: TROUBLESHOOTING 4.8 Troubleshooting – Heart Rate Function Does Not Work or is Reading Incorrectly HEART RATE FUNCTION DOES NOT WORK OR IS READING INCORRECTLY POSSIBLE CAUSES: 1) The heart rate grips are not connected properly or are defective. 2) The heart rate grip wiring is damaged or not connected correctly.

  • Page 19: Chapter 5: Part Replacement Guide

    CHAPTER 5: PART REPLACEMENT GUIDE 5.1 Console Replacement 1) Remove the 4 screws holding the console to the frame (Figure A). FIGURE A 2) Disconnect the console cable and HR connections from the defective console and remove the console (Figure B). FIGURE B 3) Reinstall the wire connections to the new console.

  • Page 20: Heart Rate Handlebar Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.2 Heart Rate Handlebar Replacement 1) Remove the 4 screws holding the heart rate handlebar to the console mast being careful to support the handlebar (Figure A). FIGURE A 2) Carefully pull the wires from the console mast until the connectors are showing, and then disconnect the 3 wires from the handlebar and remove the defective handlebar (Figure B).

  • Page 21: Heart Rate Grip Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.3 Heart Rate Grips Replacement 1) Remove the 2 screws holding the HR grip together (Figure A). 2) Once the 3 screws are removed, the HR grip can be split into 2 pieces (Figure B). FIGURE A FIGURE B 3) Disconnect the HR plate wiring and remove the old HR grip (Figure C).

  • Page 22: Cup Holder Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.4 Cup Holder Replacement 1) Remove the 2 screws holding the cup holder to the console mast (Figure A). FIGURE A 2) Remove the cup holder (Figure B). FIGURE B 3) Reverse Steps 1-2 to install a new cup holder.
  • Page 23 CHAPTER 5: PART REPLACEMENT GUIDE 5.5 Console Mast Replacement 1) Remove the console as outlined in Section 5.1. 2) Remove the HR handlebars as outlined in Section 5.2. 3) Lift up the rubber boot at the bottom of the console mast (Figure A), and remove the 5 screws holding the console mast to the frame (Figure B). FIGURE A FIGURE B 4) Pull the wires out the bottom of the console mast and remove the mast (Figure C).

  • Page 24: Seat Pad Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.6 Seat Pad Replacement 1) Remove the 3 screws holding the seat pad to the seat post (Figure A). FIGURE A 2) Lift the seat pad away from the seat post (Figure B). FIGURE B 3) Reverse Steps 1-2 to install a new seat pad.

  • Page 25: Seat Post Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.7 Seat Post Replacement 1) Remove the seat adjustment pin (Figure A). 2) Pull the seat post upward until the stem comes away from the frame and set it aside (Figure B). FIGURE A FIGURE B 3) Remove the 3 screws holding the seat pad to the seat post (Figure C).

  • Page 26: Seat Post Insert Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.8 Seat Post Insert Replacement 1) Remove the seat adjustment pin (Figure A). 2) Pull the seat post upward until the stem comes away from the frame and set it aside (Figure B). FIGURE A FIGURE B 3) Remove the rubber boot that rests at the bottom of the seat post (Figure C).

  • Page 27: Pedal Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.9 Pedal Replacement 1) Use a 15 mm pedal wrench to remove the pedal from the crank (Figure A). NOTE: For the right side pedal, the threads are normal. For the left side pedal, the threads are reversed (the pedal turns off counterclockwise). 2) Remove the pedal (Figure B).

  • Page 28: Crank Removal

    CHAPTER 5: PART REPLACEMENT GUIDE 5.10 Crank Removal NOTE: A special tool is needed to correctly replace a crank. Order part: # 022696-00 from Vision Customer Tech Support. 1) Assemble the special tool as shown in Figure A. The two sides are different on the tool. 2) Remove the crank arm cover (Figure B).

  • Page 29: Shrouds Removal

    CHAPTER 5: PART REPLACEMENT GUIDE 5.11 Shrouds Removal 1) Remove the crank as outlined in Section 5.10. 2) Remove the seat adjustment pin (Figure A). 3) Remove the seat post and seat post boot (Figures B & C). FIGURE A FIGURE B FIGURE C 4) Remove the 11 screws holding the left shroud in place (Figure D).

  • Page 30: Lower Control Board Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.12 Lower Control Board Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) Disconnect the 3 wire connections to the lower board (Figure A). 3) Remove the 2 screws holding the lower board to the frame (Figure B), and remove the lower control board. FIGURE A FIGURE B 4) Reverse Steps 1-3 to install a new lower board.

  • Page 31: Drive Belt Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.13 Drive Belt Replacement 1) Remove the right side shroud as outlined in Section 5.11. 2) Pull up on the tension assembly and walk the belt off of the pulley (Figure A). 3) Remove the drive belt (Figure B). FIGURE A FIGURE B 4) Reverse Steps 1-3 to install a new drive belt.

  • Page 32: Idler Set Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.14 Idler Set Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) The Idler set is attached to the frame with one bolt (Figure A) with nut (Figure B). FIGURE A FIGURE B 3) Remove the tension spring (Figure C).

  • Page 33: Generator Belt Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.15 Generator Belt Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) Remove the cable ties on the wire connector of the generator and unplug the generator wire from the LCB (Figure A). 3) Remove the nuts holding the generator to the frame (Figure B).
  • Page 34 CHAPTER 5: PART REPLACEMENT GUIDE 5.15 Generator Belt Replacement – Continued 6) Remove the generator belt (Figure E). 7) Pull the generator out of the frame towards the front of the unit, and remove the generator belt (Figure F). FIGURE E FIGURE F 8) Reverse Steps 1-7 to install a new generator belt.

  • Page 35: Generator Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.16 Generator Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) Remove the cable ties on the wire connector of the generator and unplug the generator wire from the LCB (Figure A). 3) Remove the nuts holding the generator to the frame (Figure B). FIGURE A FIGURE B 4) Remove the nuts putting tension on the generator belt (Figure C).
  • Page 36 CHAPTER 5: PART REPLACEMENT GUIDE 5.16 Generator Replacement – Continued 6) Remove the generator belt (Figure E). 7) Pull the generator out of the frame towards the front of the unit, and remove the generator belt (Figure F). FIGURE E FIGURE F 8) Reverse Steps 1-7 to install a new generator.

  • Page 37: Transmission Axle Set Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.17 Pulley Axle (Secondary) Set Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) Remove the drive belt and generator belt from the pulleys by hand (Figure A). 3) Remove the screw holding the bearing to the pulley axle on the right side of the frame (Figures B & C). FIGURE A FIGURE B 4) Turn the pulley until the hole in the pulley lines up with the screw in the frame.
  • Page 38 CHAPTER 5: PART REPLACEMENT GUIDE 5.17 Pulley Axle (Secondary) Set Replacement – Continued 7) Install a screw into the secondary axle and turn the screw until the head is close to the secondary axle. Use a mallet to hit the screw until the pulley axle assembly is loose in the frame and remove it (Figures G &...

  • Page 39: Pulley Axle Set Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.18 Drive Axle Set Replacement 1) Remove the shrouds as outlined in Section 5.11. 2) Pull up on the tension assembly and walk the drive belt off of the pulley (Figure A). 3) Remove the drive belt (Figure B). FIGURE A FIGURE B 4) Remove the c-clip holding the bearing in place on the left side of the frame (Figures C &...
  • Page 40 CHAPTER 5: PART REPLACEMENT GUIDE 5.18 Drive Axle Set Replacement – Continued 5) Install two nuts into the pulley axle and turn the nuts until the heads are close to the drive axle (Figures E & F). FIGURE E FIGURE F 6) Use a mallet to hit the pulley axle until it is loose in the frame and remove it (Figures G &...
  • Page 41 CHAPTER 5: PART REPLACEMENT GUIDE 5.18 Drive Axle Set Replacement – Continued 7) Use a mallet with a punch to hit the remained bearing until it is removed from frame (Figure I & J). FIGURE I FIGURE J 8) Reverse Steps 1-7 to install a new drive axle set. NOTE: The bearings on the drive axle cannot be re-used after removal of the drive axle assembly. NOTE: Clean the bearing frame housing and daub a fixative (Red Loctite 603 is recommended) on the inside of housing in the frame prior to installation of a new drive axle set (Figures K &...

  • Page 42: Rear Stabilizer Replacement

    CHAPTER 5: PART REPLACEMENT GUIDE 5.19 Rear Stabilizer Replacement 1) Lean the bike to one side and remove the 4 screws holding the rear stabilizer to the frame (Figure A). 2) Remove the rear stabilizer (Figure B). FIGURE A FIGURE B 3) Reverse Steps 1-2 to install a rear stabilizer.

  • Page 43: Testing The Bike

    CHAPTER 5: PART REPLACEMENT GUIDE 5.20 Testing the Bike ONCE THE UNIT OR REPLACEMENT PART IS FULLY INSTALLED AND ASSEMBLED AND PROPERLY PLACED ON THE FLOOR, USE THE FOLLOWING INSTRUCTIONS TO SETUP AND TEST THE MACHINE: 1) Check that the console is set for bike. a.

  • Page 44: Chapter 6: Software Upgrade Procedure

    CHAPTER 6: SOFTWARE UPGRADE PROCEDURE 6.1 Software Upgrade Instructions A. Service Tools & Accessories: 1. MSP-FET430 Gang Programmer 2. Parts number: MT00L-039 3. Software A: 14 PIN B: POWER SUPPLY SPECIFICATION: 8~15V 300MA MSP-FET430 TOOLS...
  • Page 45 CHAPTER 6: SOFTWARE UPGRADE PROCEDURE 6.1 Software Upgrade Instructions – Continued B. VISION U70 BIKE SOFTWARE UPGRADE PROCEDURE 1. Connect the MSP-GANG430 hardware, PC, and console as shown in Figure A. FIGURE A 2. Click on the GANG430 icon located in the program group specified during installation of the software (the default group is ADT430). The MSP430 FLASH Gang Programmer GUI is displayed on the screen as shown in Figure B.
  • Page 46 CHAPTER 6: SOFTWARE UPGRADE PROCEDURE 6.1 Software Upgrade Instructions – Continued 3.3 Select the required device using the Device Type menu. 3.4 Select the console software file to be programmed into the MSP-GANG430 using the File Name menu. The format supported for the console software file is TI TXT (.txt).
  • Page 47 CHAPTER 6: SOFTWARE UPGRADE PROCEDURE 6.1 Software Upgrade Instructions – Continued 4. After the first console is installed, you can remove the RS232 cable from PC to MSP-GANG430 as shown in Figure D. Connect the other consoles being installed to MSP-GANG430 as shown in Figure E. Press the MSP430 “START” button, the “MODE” LED will to glitter about 10 sec, if the install passes, the OK green LED will light as shown in Figure F.

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Cb68c

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