Life Fitness SC95 Service Manual
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Life Fitness SC95 Service Manual

Independent stairclimbers
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Independent Stairclimbers
SC95, SC91, SC85, S9I,
95Si, 93Si, 90S, and 95Se
Customer Support Services
SERVICE MANUAL

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Summary of Contents for Life Fitness SC95

  • Page 1 ® Independent Stairclimbers SC95, SC91, SC85, S9I, 95Si, 93Si, 90S, and 95Se Customer Support Services SERVICE MANUAL...

  • Page 3: Troubleshooting

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se GENERAL CONTENTS INTRODUCTION .......................ii SPECIAL SERVICE TOOLS .....................iii GLOSSARY ........................iv SECTIONAL CONTENTS TROUBLESHOOTING DIAGNOSTICS LED DIAGNOSTICS LCD HOW TO…SERVICE ELECTRONICS MISCELLANEOUS...
  • Page 4 If you do not have a part in stock, a form to order by FAX has been included in Section V for your convenience or you can call Life Fitness Customer Support Services any Monday through Friday from 8:00 AM to 6:00 PM (CST).
  • Page 5 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se SPECIAL SERVICE TOOL REQUIRED Unless otherwise specified, only basic hand tools are required to perform service procedures outlined in this section. Some of these standard tools should consist of: Philips and Straight-...
  • Page 6 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se GLOSSARY...

  • Page 7: Table Of Contents

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se SECTION I TROUBLESHOOTING GUIDES Page Grinding Noise ........................3 Slipping and Squealing ....................... 3 Burning Smell ........................3 Pedals Resting on Floor ...................... 3 Slow Pedal Return....................... 3 No Power..........................4 Battery Drain ........................
  • Page 8 Independent Stairclimbers SC95, SC91, SC85, S9i, 95SI, 93SI, 90S, and 95SE TROUBLESHOOTING GUIDE NOTES...

  • Page 9: Grinding Noise

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Grinding noise during Clutch roller bearings worn excessively If necessary, replace clutch assembly. operation Crossover pulley bearings worn Inspect crossover pulley bearings for excessively excessive wear or binding.

  • Page 10: No Power

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Unit will not allow lighter Main drive belt tension excessive Adjust main drive belt tension. weight user to reach higher level No power...

  • Page 11: Display Console Dim

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Display console doesn’t Faulty display console Verify voltages at display console illuminate connections. Substitute a working display console. If necessary, replace display console.

  • Page 12: Display Console Illuminates, Then Goes Dark

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Display console dim Worn overlay bezel assembly Perform keypad test. If necessary, replace display console. Faulty display console Verify voltages at display console connections.

  • Page 13: Telemetry Inoperative

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Telemetry inoperative Chest strap not making good contact Adjust chest strap tightness. Moisten with body of user sensor for better contact with skin.

  • Page 14: Unable To Change Audio

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Load resistance varies Faulty alternator control board Verify connections between display during operation console and alternator control board. Substitute a working alternator control board.

  • Page 15: Testing The Inverter Board

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE – TESTING THE INVERTER BOARD Special Service Tools Required: Multi-meter CAUTION! HIGH VOLTAGE ON CONNECTORS J2 AND J3 Test Points Remove the Entertainment System Console from the Unit.

  • Page 16: Testing The Power Supply Cable

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se TROUBLESHOOTING GUIDE – TESTING THE POWER SUPPLY CABLE Special Service Tools Required: Multi-meter Positive 1. Unscrew the Retaining Nut securing the Power Cable Plug. Remove the Cable. 2. Using a Multi-meter, touch the Red Lead to the...
  • Page 17 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se SECTION II DIAGNOSTIC MODES LED UNITS Page SC9500 and 95Si Console ......................... 3 SC9100 and 93Si Console ......................... 4 SC8500 and 90S Console ........................5 S9i Console............................6 Diagnostic Functional MAP......................... 7 ENTRY LEVEL............................
  • Page 18 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se Notes...
  • Page 19 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se DISPLAY CONSOLE SC9500 and 95Si Hidden Key for Speaker ON/OFF...
  • Page 20 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se DISPLAY CONSOLE SC9100 and 93Si Hidden Key for Speaker ON/OFF...
  • Page 21 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se DISPLAY CONSOLE SC8500 and 90S Hidden Key for Speaker ON/OFF...
  • Page 22 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se DISPLAY CONSOLE S9i Hidden Key for Speaker ON/OFF Display Lock...

  • Page 23: Diagnostic Functional Map

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se Diagnostic Functional MAP (LED Integrated) Optional Settings Service Menu DIAGNOSTIC MODE Keypad Test Display Test LED Test Maximum Workout Duration English/Metric Units LED/Keyboard Test Display Watts On/Off Alternator and Field Duty Cycle Adjust...

  • Page 24: Entry Level

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se ENTRY LEVEL Hold down the number 5 key (SC9500 and 95Si) or the UP ARROW key on (all other models), then press the CLEAR key twice. Press the up ARROW key. The display menu will show after each press: CODE VERSION ……………….ex: CODE VER - X.XX...

  • Page 25: Test/Service All Leds And Keypad Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE ALL LEDs AND KEYPAD TEST Upon entry to this state, all of the LED's will turn ON. Pressing the keys will result in a beep sound for all but the START, ENTER and CLEAR keys, a character repeated across the message center will be displayed.

  • Page 26: Test/Service - Walking Led Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - WALKING LED TEST Upon entry to this state, the LED segments in the MESSAGE CENTER and the PROFILE WINDOW will give the effect of moving, or “Walking LED”.

  • Page 27: Test/Service - Alternator And Speaker Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE – ALTERNATOR AND SPEAKER TEST Hidden Key for Speaker ON/OFF The present Field Duty Cycle being applied to the alternator is displayed in the Heart Rate and Calories Window.

  • Page 28: Test/Service - System Voltage And Step Rate Monitoring

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE – SYSTEM VOLTAGE AND STEP RATE MONITORING When stepping motion is applied, the system voltage (Vsys) is supplied by the alternator. The value appears in the Heart Rate Window.

  • Page 29: Test/Service - Signal Integrity Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE – SIGNAL INTEGRITY TEST This state does not apply for service usage. It is used by engineering. Press the ENTER Key to advance to the next diagnostic state. Press the CLEAR Key to return to the previous diagnostic state.

  • Page 30: Test/Service - Life Pulse Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - LIFE PULSE TEST Upon initial entry to this test, a heart-shaped image will be displayed in the profile window along with two messages in the message center when the user has both hands on the lifepulse sensors. The first message indicates the lifepulse software version number.

  • Page 31: Test/Service - Csafe Network Interfacetest

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - CSAFE NETWORK INTERFACE TEST Within this state, the CSAFE network can be tested. This is how you can check to see if you’re receiving any communications from the network system.

  • Page 32: Test/Service - Eeprom Test

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - EEPROM TEST This diagnostic state tests the Display Console EEPROM. The EEPROM location being tested will appear in the display message center. Pressing the DOWN ARROW will initiate the EEPROM test. If the test completes successfully, the message EEPROM GOOD will appear.

  • Page 33: Test/Service - Telemetry Enable/Disable

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - TELEMETRY ENABLE/DISABLE Within this state, the TELEMETRY can be turned ON or OFF. If a telemetry heart rate is detected, it will be displayed when telemetry is set to ON.

  • Page 34: Test/Service - Language

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TEST/SERVICE - LANGUAGE Within this state, one of eight languages can be selected to include English, German, French, Italian, Japanese, Dutch, Spanish or Portuguese. The UP ARROW, when pressed, displays the next language in the list.
  • Page 35 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se OPTIONAL SETTINGS - MAX PROGRAM DURATION Within this state, the MAXIMUM PROGRAM DURATION is displayed and can be adjusted from a range of 1-99 minutes. The DOWN ARROW will decrease the value by 1 minute. Key will Auto-Repeat if held.
  • Page 36 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se ENGLISH/METRIC UNIT SELECTION Within this state, ENGLISH or METRIC units can be selected. The DOWN ARROW will select METRIC units. The UP ARROW will select ENGLISH units. The ENTER key LED indicates when the value is at the default setting of ENGLISH UNITS.
  • Page 37 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se WATTS DISPLAY ENABLE/DISABLE If this option is enabled, the MESSAGE CENTER displays the Watts equivalent of the RPM. This message will only be displayed after a level change. The DOWN ARROW will turn OFF the WATTS DISPLAY.
  • Page 38 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se METS DISPLAY ENABLE/DISABLE If this option is enabled, the MESSAGE CENTER DISPLAYS the METs equivalent of the RPM. This message will only be displayed after a level change. The DOWN ARROW will turn OFF the METS DISPLAY.
  • Page 39 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se CAL/HR DISPLAY ENABLE/DISABLE If this option is enabled, the MESSAGE CENTER displays the Calories/Hour equivalent of the RPM. This message will only be displayed after a level change. The DOWN ARROW will turn OFF the CAL/H program.
  • Page 40 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se METS PROGRAM ENABLE/DISABLE Within this state, METS PROGRAM can be turned ON or OFF. By default, the Stairclimber will have the METS PROGRAM OFF. The DOWN ARROW will turn OFF the METS PROGRAM.
  • Page 41 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se TOTAL HOURS AND STATISTICS Upon entry to this state, TOTAL HOURS are displayed. STATISTICS can be displayed using the UP and DOWN arrow keys. The UP ARROW allows scrolling through the available programs and shows the number of times each program has been selected.
  • Page 42 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se ENTERTAINMENT CONTROLS ON/OFF (SC9500 AND 95Si ONLY) The ENTERTAINMENT CONTROL SETTING Using the arrow keys will turn ON or OFF the entertainment (cardio theater/broadcast vision). OFF is the default setting for SC9500 only. A separate kit is available for SC9100.
  • Page 43 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se PHOTO SHOOT (ENABLE/DISABLE) Data displayed in the message center is non-functional and intended only to simulate values for photographic sessions. Press the CLEAR Key to return to the previous diagnostic state.

  • Page 44: Notes

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 90S, and 95Se Notes...
  • Page 45 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se SECTION IIB DIAGNOSTIC MODES 95Se LCD UNIT ONLY Welcome Screen..........................3 Workout Screen ..........................4 Main Menu ............................5 System Test Menu ..........................6 System Diagnostics..........................7 Test Engineering ..........................8 Telemetry Test ..........................
  • Page 46 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se Notes...

  • Page 47: Welcome Screen

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD ONLY WELCOME SCREEN LCD Console Welcome Screen The Welcome Screen initially appears after Power-Up or when the bike is not in use. Touching the Screen will...
  • Page 48 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD WORKOUT SELECTION SCREEN Double-Tap Press and Hold Down From the Workout Selection Screen you will be able to enter the Systems Option Menu. To enter, go to the Workout Selection Screen then press and hold the COOLDOWN key, and then double-touch the Life Fitness icon.
  • Page 49 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD SYSTEM OPTIONS – MAIN MENU The System Options - Main Menu selections, when pressed, allows access to the System Test Menu, Information Menu, and Configuration Menu.

  • Page 50: System Test Menu

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD SYSTEM TEST MENU The System Test Menu allows the user to access the above by pressing the appropriate key. Pressing the screen Back key will return you to the System Options – Main Menu screen.

  • Page 51: System Diagnostics

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD SYSTEM DIAGNOSTICS In the SYSTEM DIAGNOSTICS screen the feedback from various sources can be read. SYSTEM VOLTAGE Displays the voltage present at the console. ALTERNATOR VOLTAGE Displays the voltage out of the Alternator.

  • Page 52: Test Engineering

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD TEST ENGINEERING All status windows on this screen should display OFF and should not be changed unless instructed to do so by Life Fitness Customer Support.

  • Page 53: Telemetry Test

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD TELEMETRY TEST The circles in the Telemetry Box indicate whether Telemetry is Enabled or Disabled. Touching the appropriate circle can enable or disable Telemetry. The Heart rate value window will display the users Heart Rate when Telemetry is enabled.

  • Page 54: Lifepulse Test

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD LIFE PULSE TEST The Lifepulse™ System can be tested manually. The system will display a “Hands-On” reading when the user has placed their hands on the Lifepulse™ Sensors.
  • Page 55 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD CSAFE TEST CSafe Test - Not Available at This Time.

  • Page 56: Eeprom Test

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD EEPROM TEST Pressing the screen EEPROM Internal Test key allows testing of the EEPROM on the Single Board Computer. Pressing the screen EEPROM External Test key allows testing of the EEPROM on the Interface Board.

  • Page 57: Information Menu

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD INFORMATION MENU STATISTICS Displays various historical data regarding individual workout program usage and critical system power levels. SOFTWARE VERSIONS Displays current software version information. SYSTEM ERRORS Displays historical information regarding system errors encountered during operation.

  • Page 58: Information Statistics

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD INFORMATION STATISTICS Entry to this screen allows to user to view statistics such as: total hours of use on the unit and hours of use per program used along with other information.

  • Page 59: Software Versions

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD SOFTWARE VERSION Note: Values shown are for reference only. This screen allows the user to view the current software programs loaded into the unit along with its corresponding Life Fitness part number if applicable.

  • Page 60: System Errors

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD SYSTEM ERRORS This screen allows the user to view system errors that have been logged into the unit’s memory. Pressing the screen Back key will return you to System Options – Main Menu screen. Pressing the screen MAIN...

  • Page 61: Usage Log Report

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD USAGE LOG REPORT This screen allows the user to view detailed information in relation to RPMs used at different levels. Pressing the screen Back key will return you to System Options – Main Menu screen. Pressing the screen MAIN...

  • Page 62: Configuration Menu

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD CONFIGURATION MENU MANAGER Supervisory workout parameter setup. MANUFACTURER Critical system parameter setup. Television configuration. TOUCH SCREEN CONFIGURATION Proximity calibration of touched screen. Pressing the screen Back key will return you to System Options – Main Menu screen. Pressing the screen MAIN...

  • Page 63: Managers Configuration

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD MANAGER’S CONFIGURATION Maximum Workout Duration: Allows the manager to set a maximum workout limit between 1 and 99 minutes. The time can be modified using the up or down arrow keys. The unit default is 60 minutes.

  • Page 64: Custom Message Setup

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD CUSTOM MESSAGE SETUP This configuration allows for a custom message to be displayed across the Welcome Screen. Creating/changing a Custom Message—after entering the Manager’s Configuration, check to make sure that Custom Message is enabled, and then select Custom Message Setup.
  • Page 65 DISPLAY CONSOLE 95Ce LCD MANUFACTURERS CONFIGURATION MENU Access to this screen will only be available to Life Fitness certified technicians. Pressing the screen Back key will return you to System Options – Main Menu screen. Pressing the screen MAIN MENU key will return you back to the MAIN MENU.
  • Page 66 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD TV CONTROLS This screen brings up the TV screen and allows adjustment of brightness, contrast, saturation and hue. Also allows the choice of TV format, antenna setup and channel setup. To Set up channels: Select Auto in Channel Setup and then press Start.

  • Page 67: Max Volume Setup

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD MAX VOLUME SETUP Entry to this screen allows the user to adjust Volume by using the Arrow keys. Note: Headphones must be used for this function.

  • Page 68: Touch Screen Configuration

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE 95Ce LCD TOUCH SCREEN CONFIGURATION Entry into this screen will allow to user to reconfigure the Touch Screen. The display will show a blank screen with a + sign in the middle. Follow the directions at the top of the screen to properly reconfigure the Touch Screen. This procedure may have to be repeated more than once.
  • Page 69 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se SECTION III How To... SERVICE AND REPAIR Page Side Shrouds........................3 Battery ..........................4 Recharge Battery ........................ 5 Alternator..........................6 Alternator Brush ........................7 Alternator and Main Drive Belts................... 8 Tension the Alternator and Main Drive Belts...............
  • Page 70 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se Notes...
  • Page 71 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Side Shrouds Special Service Tools: None 1. Remove four screws securing the mono-column shroud. 2. Lift the mono-column shroud up the mono-column and secure it up out of the way.

  • Page 72: Battery

    Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Battery (SC9500, SC9100, and SC8500 only) Special Service Tools: None 1. Remove two screws from the front cover (between the pedals). NOTE: Side shrouds removed for Cover clarity.
  • Page 73 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Recharge the Battery (SC95, SC91, and SC85 only) Special Service Tools: None 1. Plug the battery charger AC cord into the wall outlet. Make sure that the wall outlet has...
  • Page 74 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Alternator Special Service Tools: None 1. Remove Side Shrouds. See How To…in this section. BLACK/WHITE 2. Tag and identify each alternator wire on the alternator terminals before removing, then remove...
  • Page 75 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Alternator Brushes Special Service Tools: None Note: The alternator does not require removal. Phillips 1. At the back of the alternator, remove brush cover by removing the Screw screw and two hex nuts, and lift off the cover.

  • Page 76: Alternator

    Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Alternator and Main Drive Belts Special Service Tools: None 1. Remove Side Shrouds. See How To…in this section. 2. Loosen the alternator tensioning bracket bolt. 3. Loosen the alternator pivot bolt.
  • Page 77 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Tension the Alternator and Main Drive Belts Special Service Tools: None Note: The main drive belt must be tensioned first, then the alternator belt. 1. Main Drive Belt: Install belt-...
  • Page 78 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace The Crossover Pulley and Hub Assembly Special Service Tools: None 1. Remove Shrouds. See How to…in this section. 2. Remove the alternator and main drive belt. Frame See How To… in this section.
  • Page 79 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace Left Drive Clutch Special Service Tools: None 1. Remove the left side shrouds. See How To…in this section. 2. Disconnect the belt and spring assembly at the bottom of the frame, and...
  • Page 80 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace Right Drive Clutch Special Service Tools: None 1. Remove the right side shroud. See How To… in this section. 2. Remove the main drive belt. See How To…in this section.
  • Page 81 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Pulley/Shaft and Shaft Bearings Special Service Tools: Clutch Shaft Bearing Tool Kit 1. Remove the side shrouds. See How To…in this section. 2. Loosen the alternator belt.
  • Page 82 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Pulley/Shaft and Shaft Bearings - Continued Special Service Tools: Clutch Shaft Bearing Tool Kit Threaded Rod 7. Install bearing press tool as illustrated, and begin to press out the bearings.
  • Page 83 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Pulley/Shaft and Shaft Bearings - Continued Special Service Tools: Clutch Shaft Bearing Tool Kit Threaded Rod 10. Position the first new bearing with markings facing out (away from the frame). Install the tool as illustrated making sure the bearing is aligned straight and square.
  • Page 84 Life Fitness Independent Stairclimber SC9500HR, SC9100, SC8500, and S9i How To… Replace the Pulley/Shaft and Shaft Bearings - Continued Special Service Tools: Clutch Shaft Bearing Tool Kit 12. Reinstall the left clutch, washers, and e- rings onto the new shaft as shown.

  • Page 85: Belt Spring Assembly

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Belt and Spring Guide Pulleys Special Service Tools: None Pulley (Upper Guide Idler) 1. Remove the side shrouds. See How To…in this section. Bolt 2. Disconnect the belt/spring assembly at the bottom 45-50 ft lbs of the frame, and lower the pedals on the floor.
  • Page 86 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Belt Spring Assembly Special Service Tools: None 1. Remove the side shrouds. See How To… in this section. 2. Disconnect the return spring at the bottom of the frame and lower the pedal to the floor.
  • Page 87 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To… Replace the Pedals, Pedal Assembly, and Extrusion (Rail) Special Service Tools: None (Pedals) Pedal Pedal 1. Remove four screws from under the pedal Support support, and then lift off the pedal.
  • Page 88 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To… Replace Side and Mono Rollers Special Service Tools: None Note: For clarity, pedal assembly shown removed. 1. Remove the side shrouds. See How To… Cover Screws in this section.
  • Page 89 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To...Replace the Magnetic Auto Start Reed Switch Special Service Tools: None 1. Remove the shroud from the right side of the unit. See How To… in this section.
  • Page 90 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Overlay Bezel Special Service Tools: None 1. Remove the console and tray assembly Console Console from the monocolumn support. Front Back 2. Raise the console just enough to disconnect the cable connectors.
  • Page 91 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To… Replace the Bullhorns Special Service Tools: None 1. Remove the bullhorn mounting screws and carefully separate the bullhorns from the monocolumn just enough to disconnect the heart rate connectors Left (only SC9500).
  • Page 92 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To… Replace the Front Wheel Assembly Special Service Tools: None 1. Shrouds removed for clarity. Shrouds do not require removal. 2. Remove two screws securing the wheel hub.
  • Page 93 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Telemetry Receiver Special Service Tools: None 1. Remove the telemetry receiver cover. Cover Cover 2. Remove the foam protector from the Screw Cover telemetry receiver.
  • Page 94 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Leg Levelers Special Service Tools: None 1. Support the rear frame up just enough to remove the leg levelers. 2. Loosen the jam nut. 3. Turn the leg levelers counterclockwise to remove from leg leveler nut.

  • Page 95: Monocolumn

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Mono-Column Special Service Tools: None 1. Remove four screws from the Foam Polar Screws mono-column cover, and then Cover Cover Cover raise it up the column and secure out of the way.
  • Page 96 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Power Control Board (PCB) Special Service Tools: None 1. Remove the left side shroud. See How To… in this section. 2. Disconnect the wiring connectors from the PCB.
  • Page 97 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Resistor Assembly Special Service Tools: None Resistor 1. Remove the left side shroud. See How To… in this section. Mounting Resistor Nut & Bolt 2. Disconnect wiring from the resistor terminals.
  • Page 98 Life Fitness Independent Stairclimbers S9i, SC9500HR, SC9100, SC8500 How To... Replace the Return Springs 1. Remove four screws securing the mono-column shroud. 2. Lift the mono-column shroud up the mono-column and secure it up out of the way. 3. Remove six screws securing the left shroud.
  • Page 99 Life Fitness Independent Stairclimbers S9i, SC9500HR, SC9100, SC8500 How To... Replace the Return Springs 5. Disconnect the return spring at the bottom of the frame, and lower the pedal to the floor. 6. Carefully guide the Timing Belt off of the top of the Clutch.

  • Page 100: Lcd Integrated Console Service Overview

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se LCD Integrated Console Service Overview Special Service Tools Required: NONE CAUTION! BEFORE REPLACING CIRCUIT BOARD(S), GROUND YOURSELF TO EARTH GROUND USING AN ANTI-STATIC GROUND STRAP. NOTE: The following pages provide service procedures for servicing the LCD Integrated Console.

  • Page 101: Headphone Jack

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Headphone Jack Special Service Tools Required: NONE CAUTION! BEFORE REPLACING CIRCUIT BOARD(S), GROUND YOURSELF TO EARTH GROUND USING AN ANTI-STATIC GROUND STRAP. Note: For clarity purposes the Console is shown off the unit.

  • Page 102: Inverter Board

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Inverter Board Special Service Tools Required: NONE CAUTION! BEFORE REPLACING CIRCUIT BOARD(S), GROUND YOURSELF TO EARTH GROUND USING AN ANTI-STATIC GROUND Back Cover STRAP. 1. Remove console form unit refer to Display Console and Accessory Tray Removal.

  • Page 103: Single Board Computer

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Single Board Computer Special Service Tools Required: NONE Single Board Computer Single Board Computer Mounting Screws (7) 5-Pin Touch Screen 24-Pin Connector Receptacle Communication Connector...

  • Page 104: Interface Board

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Interface Board Special Service Tools Required: NONE CAUTION! BEFORE REPLACING CIRCUIT BOARD(S), GROUND Mounting YOURSELF TO EARTH GROUND USING AN ANTI-STATIC GROUND bracket STRAP. 1. Remove console form unit refer to Display Console and Accessory Tray Removal.

  • Page 105: Touch Screen Assembly

    Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se How To... Replace the Touch Screen Assembly Special Service Tools Required: NONE CAUTION! BEFORE REPLACING CIRCUIT Touch Screen BOARD(S), GROUND YOURSELF TO EARTH Assembly GROUND USING AN ANTI-STATIC GROUND STRAP.
  • Page 106 Independent Stairclimbers SC95, SC91, SC85, SC9i, 95Si, 93Si, 90S, and 95Se Notes...

  • Page 107: Electronics

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se SECTION IV ELECTRONICS WIRING DIAGRAMS Page Display Console Board - Model SC95 and 95Si..............3 Display Console Board - Model SC91, 95Si, SC85, 90S, and S9i ........7 Alternator Control Board ..................... 10 Alternator..........................
  • Page 108 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se Notes...

  • Page 109: Display Console Board - Model Sc95 And 95Si

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Model SC95 and 95Si Functional Description The Display Console Board is designed to work in conjunction with the Alternator Control Board. It reads the keypad input for changes or updates by the user, and refreshes the status LEDs, data display, and profile display matrix.
  • Page 110 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Model SC95 and 95Si Connector and Pin Descriptions Connector Location Functional Description P1 is a 17 pin ribbon connector Ground that connects to the lower Return keypad switch membrane.
  • Page 111 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Model SC95 and 95Si Connector Location Functional Description P5 is a 24 pin connector that Strobe connects to the lower console Strobe display board. Strobe...
  • Page 112 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Model SC95 and 95Si Connector and Pin Descriptions Connector Location Functional Description P4 is 4 pin connector that LEFT – GND connects to the heart rate RIGHT –...

  • Page 113: Display Console Board - Model Sc91, 95Si, Sc85, 90S, And S9I

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Models SC91, 95Si, SC85, 90S, and S9i Functional Description The Display Console Board is designed to work in conjunction with the Alternator Control Board. It reads the keypad input for changes or updates by the user, and refreshes the status LEDs, data display, and profile display matrix.
  • Page 114 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se DISPLAY CONSOLE BOARD - Models SC91, 95Si, SC85, 90S, and S9i Connector and Pin Descriptions Connector Location Functional Description P12 is a 19 pin ribbon Ground connector that connects to the...

  • Page 115: Alternator Control Board

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se ALTERNATOR CONTROL BOARD Functional Description The Alternator Control Board is designed to regulate the alternator voltage by modulating the field current. It regulates the pass current (RPM signal) from the Alternator...
  • Page 116 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se ALTERNATOR CONTROL BOARD Connector Location Functional Description P3 is a 3 pin connector that Vbat connect to the reed Switch RPM-REED P4 is a 2 Pin 9 Volt connector that provides external power (LC95 only).

  • Page 117: Alternator

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se ALTERNATOR Functional Description The 12 volt, 35 amp Alternator is designed to provide electrical power to the product, supply load resistance while providing electrical power, and provide the RPM signal from the AC TAP to the Alternator Control Board.

  • Page 118: Wiring Block Diagram Model Sc95 And 95Si

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se WIRING BLOCK DIAGRAM – Model SC95 and 95Si...

  • Page 119: Wiring Block Diagram Model Sc91, 95Si, Sc85, And 90S

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se WIRING BLOCK DIAGRAM – Models SC91, 95Si, SC85, and 90S Power Control Board to Alternator (PCB) Cable...
  • Page 120 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se WIRING BLOCK DIAGRAM - Model S9i Power Jack Reed Switch Cable Power Control Board to Alternator (PCB) Cable Console Cable Polar Cable...

  • Page 121: Miscellaneous

    Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se SECTION V MISCELLANEOUS Page Model Identification and Serial Number Location..............3 Preventative Maintenance Tips and Safety Instructions ............. 4 Notes ........................... 5...
  • Page 122 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se Notes...
  • Page 123 Independent Stairclimbers SC95, SC91, SC85, S9i, 95Si, 93Si, 90S, and 95Se MODEL IDENTIFICATION and SERIAL NUMBER LOCATION Serial Number/ Model Identification...
  • Page 124 Parts Listing prior to setting the cartons and shipping material aside. If any parts are missing, contact Life Fitness Customer Support Services at the number listed in the Operation Manual. Save the shipping cartons in case of return.
  • Page 126 ©2000 Brunswick Corporation. All rights reserved. Life Fitness and Lifecycle are registered trademarks of Brunswick Corporation. Lifepulse, Zone Trainer and Heart Rate Zone Training are trademarks of Brunswick Corporation. Any use of these trademarks, without the express written consent of Brunswick Corporation, is forbidden.

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