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Models X5i, X5, X3i, and X3 Cross-Trainers
Customer Support Services
SERVICE MANUAL

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Summary of Contents for Life Fitness X5i

  • Page 1 Models X5i, X5, X3i, and X3 Cross-Trainers Customer Support Services SERVICE MANUAL...
  • Page 2 HOW TO USE SERVICE MANUAL AND CONTACT CUSTOMER SUPPORT SERVICES This service manual is applicable to Cross-Trainer Models X5i, X5, X3i and X3. Illustrations in this service manual represent typical configurations and may differ slightly from actual equipment. The Service Manual provides safe and efficient step-by-step service operations.
  • Page 3: Table Of Contents

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers TABLE OF CONTENTS SECTION I TROUBLESHOOTING GUIDES PAGE SLIGHT “BUMP” OR “HITCH” ..................3 CLUNKING NOISE......................3 METALLIC SCRAPING NOISE..................3 NO SPEED READOUT ON CONSOLE VERSION 1............3 NO SPEED READOUT ON CONSOLE VERSION 2............3 CONSOLE IS NON OPERATIVE..................
  • Page 4 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers TABLE OF CONTENTS SECTION III SERVICE AND REPAIR GUIDE SERVICE AND REPAIR GUIDE ..................3 SIDE SHROUDS ......................4 PEDAL LEVER COMPONENTS ..................8 IDLER AND COUPLER ASSEMBLY COMPONENTS ............9 DRIVE BELT AND FLYWHEEL ASSEMBLY - VERSION 1 ..........
  • Page 5: Troubleshooting Guide

    Life Fitness Models X3i, X3, X5i, and X5 Cross-Trainers SECTION I TROUBLESHOOTING GUIDE...
  • Page 6 Life Fitness Models X3i, X3, X5i, and X5 Cross-Trainers TROUBLESHOOTING GUIDE Notes:...
  • Page 7: Slight "Bump" Or "Hitch

    Life Fitness Models X3i, X3, X5i, and X5 Cross-Trainers TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Slight “bump” or “hitch” in Pivot points are not broken in. Remove all clevis covers and loosen all six pedal motion. bolts that connect links to clevis brackets.
  • Page 8: Console Erratic

    Life Fitness Models X3i, X3, X5i, and X5 Cross-Trainers TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Console erratic. Clock within the console not Replace the console. functioning or the memory chip is corrupted. Dim or not functioning LED Defective console.
  • Page 9: Section Ii Diagnostic Modes (Deluxe Monitor)

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers SECTION II DIAGNOSTIC MODES...
  • Page 10 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers NOTE...
  • Page 11: X5I/X5/X3I/X3 Display Consoles

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers X5i, X5, X3i, and X3 Display Consoles MESSAGE CENTER Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down X5i and X3i Deluxe Monitor Enter Workout Reverse Profile Clear Quick Cool...
  • Page 12: Entering Diagnostics Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down ENTERING DIAGNOSTICS MODE Diagnostics can only be entered from IDLE mode. Enter Diagnostics by pressing the Pause/Clear button twice, and then press the Cool Down button, sequence must be completed within 3 seconds, or the monitor returns to IDLE mode.
  • Page 13: Diagnostic State 1 - Software Version Number

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 1 - Software Version Number X.XX Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down The Calories LED will light and the software version will be displayed in the message center.
  • Page 14: Diagnostic State 2 - Keypad Test Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 2 - Keypad Test Mode Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down All LEDs will be off until the keypad buttons are pressed. The following is to be displayed while a button is held down button.
  • Page 15: Diagnostic State 3 - Display Test Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 3 - Display Test Mode Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down DISPLAY “A” Clear Workouts Pause Workout Enter Profiles Quick...
  • Page 16: Diagnostic State 4 - Magnet Position

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 4 - Magnet Position Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down Upon entering the magnet test, the Cool Down LED is lit. The Message Center displays 3 different numeric values.
  • Page 17: Diagnostic State 5 - Run Test

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 5 - A/D Test X X X Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down Entering diagnostics State 5 indicates current motor position.
  • Page 18: Diagnostic State 6 - Speed Reading Test

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 6 - Speed Reading Test Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down Upon entering, the SPEED LED will light. Diagnostic State 6 is used to test the OPTO or RPM Sensor function. To verify RPM signal, pedal and observe RPM value.
  • Page 19: Diagnostic State 7 - Heart Rate Test

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 7 - Heart Rate Test Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down To verify that the heart rate system is functioning properly, use a polar simulator or a chest strap. If the unit functions correctly the Heart Rate LED will flash and a heart rate value will be displayed in the Message Center.
  • Page 20: Diagnostic State 8 - Eeprom Version Number

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 8 - EEPROM Version Number X.XX Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down This state displays the EEPROM Version Number. If the EEPROM is not present or fails to function correctly, the...
  • Page 21: Diagnostic State 9 - Run Time

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 9 - Run Time Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down Displays the total accumulated Time used on the machine. The left hand 4 digits will show accumulated hours up to 9999 and the center 2 digits of the display will show accumulated minutes up to 59.
  • Page 22: Diagnostic State 10 - Display Test

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 10 - Display Test Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down All of the monitor LEDs will be on.
  • Page 23: Diagnostic State 11 - Photo Shoot Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Deluxe Monitor Diagnostic State 11 - Photo Shoot Mode 28:30 2.52 Clear Workouts Pause Workout Enter Profiles Quick Cool Start Down This State puts the monitor display in a static state, which simulates the users workout showing: •...
  • Page 24: Entering Diagnostics Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Enter Workout Reverse Profile Clear Quick Cool Pause Start Down ENTERING DIAGNOSTICS MODE Diagnostics can only be entered from IDLE mode. Enter Diagnostics by pressing the Pause/Clear button twice, and then press the Cool Down button, sequence must be completed within 3 seconds, or the monitor returns to IDLE mode.
  • Page 25: Diagnostic State 1 - Software Version Number

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostics State 1 - Software Version Number X.XX Enter Workout Reverse Profile Clear Quick Cool Pause Start Down The TIME indicator LED will light to show the monitor is in Diagnostic State 1.
  • Page 26: Diagnostic State 2 - Display Test Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostic State 2 - Display Test Mode Enter Workout Reverse Profile Clear Quick Cool Pause Start Down All LEDs and LED segments are lit in this mode.
  • Page 27: Diagnostic State 3 - Keypad Test Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostic State 3 - Keypad Test Mode Enter Workout Reverse Profile Clear Quick Cool Pause Start Down The following is to be displayed with a key press of the associated button and an audible beep will occur with each key press.
  • Page 28: Diagnostic State 4 - Magnet Position

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostic State 4 - Magnet Position Enter Workout Reverse Profile Clear Quick Cool Pause Start Down Upon entering the magnet test, the Cool Down LED is lit. The Message Center displays 3 different numeric values.
  • Page 29: Diagnostic State 5 - Run Test

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostic State 5 - Run Time Enter Workout Reverse Profile Clear Quick Cool Pause Start Down Displays the total accumulated Time used. The left hand 4 digits will show accumulated hours up to 9999 and the...
  • Page 30: Diagnostic State 6 - Photo Shoot Mode

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Diagnostic Mode For Standard Monitor Diagnostic State 6 - Photo Shoot Mode 1.72 Enter Workout Reverse Profile Clear Quick Cool Pause Start Down This State places the monitor displays in a static state, which simulates a user’s workout showing: •...
  • Page 31: Service And Repair Guide

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers SECTION III HOW TO… SERVICE AND REPAIR GUIDE...
  • Page 32 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers NOTES...
  • Page 33 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Service and Repair Guide Special Service Tools Required: NONE NOTE: During service and repair, refer to the illustrations below to aid in parts identification. Left Adjustable Coupler Assembly Left Side...
  • Page 34: Pedal Lever Components

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Side Shrouds Special Service Tools Required: NONE Note: Throughout this procedure, version X5 and X5i are illustrated. Back Clevis Rocker Arm Cover Screw Note: To replace either of the Side Shroud requires removal of the Pedal Link and Crank Arm Assembly.
  • Page 35 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Side Shrouds - Continued Special Service Tools Required: NONE Adjusting Mechanism Must Be in Fully Raised Position to Access Mounting Bolt. Lockwasher Cover Flat Mounting Washer Bolt...
  • Page 36 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Side Shrouds - Continued Special Service Tools Required: NONE 6. Remove the Crank Arm Cover, Guard Plate, and Crank Arm from the Crank Shaft. Lower Link Arms...
  • Page 37 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Side Shrouds - Continued Special Service Tools Required: NONE 7. Remove the side Left Shroud Lower shrouds. The left Screws(11) Shroud Lower Left Shroud Shroud is held in...
  • Page 38 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Pedal Lever Components Special Service Tools Required: NONE Flat Washer Retainer Wave Washer Flat Washer Lockwasher Bolt Clevis Clevis Pedal Bolt Lever Clevis Inner Outer Retainer Flat Washer...
  • Page 39: Idler And Coupler Assembly Components

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Idler and Coupler Assembly Components Special Service Tools Required: NONE Clevis Inner Outer Retainer Flat Washer Inner Flat Washer Wave Washer Outer Retainer Lower Link Nut & Bolt...
  • Page 40: Drive Belt And Flywheel Assembly - Version 1

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Drive Belt and Flywheel Assembly - Version 1 Special Service Tools Required: NONE Crankshaft Assembly Drive Belt Tensioning (Tension to Bracket, 130 lbf) Nut & Washer J-Bolt & Nut...
  • Page 41: Drive Belt And Flywheel Assembly - Version 2

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Drive Belt and Flywheel Assembly - Version 2 Special Service Tools Required: NONE Flywheel Assy Drive Belt (Tension 130 lft) Tensioning Bracket and J-Bolt Flywheel w/Bolts & Washers Nuts/Washers 1.
  • Page 42: Console Support Column

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Console Support Column Special Service Tools Required: NONE 1. Remove the Console from Console Left Arm Support Column. See “How To…” this Console section. 2. Remove the Cap, Bolt,...
  • Page 43: Console Assembly

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Console Assembly Special Service Tools Required: NONE 1. Remove the four Console Mounting Screws from the Console back of the Console Support Plate. 2. Lift the Console up enough to disconnect the cable connections.
  • Page 44: To Replace Rear Wheels/Front Levelers

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Rear Wheels & Front Levelers Special Service Tools Required: NONE Rear Wheels 1. Remove two mounting bolts and washers securing the Wheel Assembly to the Rear Stabilizer.
  • Page 45: Pedals

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Pedals Special Service Tools: NONE 1. Each pedal is secured by screws(4) and Left Pedal washers(4), which are located under pedal. Remove these screws and washers, and then lift off the pedal.
  • Page 46: Eddy Current Assembly - Version 1

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Eddy Current Assembly - Version 1 Special Service Tools Required: NONE Remove the side shrouds. See “How To…” in this section. Disconnect the wiring cable. Remove two Mounting Bolts and lift out the Eddy Current Assembly.
  • Page 47: Speed Motor Assembly - Version 2

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Speed Motor Assembly - Version 2 Special Service Tools Required: NONE Bolts 1. Remove the Side Shrouds. See “How To…” in this section. Magnetic Speed Motor Brake Assy 2.
  • Page 48: Opto Sensor - Version 1

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the OPTO Sensor - Version 1 Special Service Tools Required: NONE OPTO 1. Remove the Side Shrouds. See “How To…” SENSOR in this section. 2. Disconnect the OPTO Sensor Cable from the Lower Frame Cable.
  • Page 49: Reed Switch - Version 2

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers How To... Replace the Reed Switch - Version 2 Special Service Tools Required: NONE 1. Remove the Side Shrouds. See “How To…” in this section. 2. Disconnect the Reed Switch from the Lower Reed Switch Frame Cable.
  • Page 50 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers NOTES:...
  • Page 51: Section Iv Electronic Overview And Wiring Block Diagram

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers SECTION IV ELECTRONIC OVERVIEW WIRING BLOCK DIAGRAM...
  • Page 52 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers NOTES...
  • Page 53: Cables Version 1

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Cables Version 1 CONSOLE PCB 1 2 3 4 5 6 7 8 9 10 UPRIGHT CABLE 1 2 3 4 5 6 7 8 9 10 ORANGE YELLOW BLUE BROWN...
  • Page 54: Cables Version 2

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Cables Version 2 Console 1 2 3 4 5 6 7 Upright Cable 1 2 3 4 5 6 7 Gray Yellow To Reed Blue Black Switch Green Black White To Servo...
  • Page 55: Section V Miscellaneous Information

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers SECTION V MISCELLANEOUS INFORMATION...
  • Page 56 Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers NOTES...
  • Page 57: Serial And Model Numbers

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers Serial and Model Numbers Serial Number/ Model Number Location...
  • Page 58: Preventive Maintenance Tips

    Life Fitness Models X5i, X5, X3i, and X3 Cross-Trainers PREVENTIVE MAINTENANCE TIPS Preventive Maintenance Schedule ITEM WEEKLY MONTHLY QUARTERLY BI-ANNUAL ANNUAL DISPLAY CONSOLE ASSEMBLY Hardware Inspect Overlay Clean Inspect HANDLEBAR ASSEMBLY Hardware Inspect Handlebar Inspect FRAME ASSEMBLY Hardware Inspect Shrouds...

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