Life Fitness 4000 manual

Model 4000 Treadmill Customer Support Services SERVICE MANUAL[...]

© 1998 Life Fitness, a division of Brunswick Corporation. All rights reserved. All rights reserved. Life Fitness, Lifecycle, Lifepulse and Flexdeck are registered trademarks, and Heart Rate Zone Training, Lifespring and RELY ON IT are trademarks of Brunswick Corporation. Polar is a registered trademark of Polar. Any use of these trademarks, withou[...]

Life Fitness Model 4000 Treadmill INTRODUCTION HOW TO USE THIS SERVICE MANUAL In the unlikely event that an operating problem may occur with your Life Fitness model 4000 treadmill, this Service Manual will instruct and guide you on the quickest, most efficient manner in which to approach the situation. This Service Manual has been separated into a [...]

FCC Warning - Possible Radio/Television Interference NOTE: This equipment has been tested and found to comply with the limits pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Any changes or modifications not expressly approved by the party re[...]

Life Fitness Model 4000 Treadmill TABLE OF CONTENTS INTRODUCTION (How to use this Service Manual) TABLE OF CONTENTS SECTION I PAGE THEORY OF OPERATION 1 TROUBLESHOOTING GUIDES NO POWER ..................................................................................................................... 2 NOISY TREADMILL .............................[...]

1 Life Fitness Model 4000 Treadmill THEORY OF OPERATION The operational functions of the Life Fitness Model 4000 Treadmill are accomplished by four main components: the Control Board , the Display Console , the Drive Motor and the Lift Actuator . The Treadmill user and the control board provide input to the display console. The display console then[...]

2 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: NO POWER Malfunction Probable Cause Corrective Action No Power On/off switch Turn unit On. Insufficient power source Plug treadmill into power source with proper electrical requirements. (See Operation Manual) Line cord improperly seated in electrical outlet Inspect power connection[...]

3 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: NOISY TREADMILL Malfunction Probable Cause Corrective Action Rubbing sound from beneath machine Foreign objects may be stuck under the machine Inspect underneath Belt and Machine. Remove any debris or accumulation. Rubbing sound from Striding Belt Striding Belt not tracking properly[...]

4 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: STRIDING BELT Malfunction Probable Cause Corrective Action Striding Belt will not move Insufficient power source Faulty Control Board Plug treadmill into power source with proper electrical requirements. (See Operation Manual) Replace Control Board Striding Belt hesitates upon start[...]

5 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: UNIT RESETS RANDOMLY Malfunction Probable Cause Corrective Action Unit Resets Randomly Insufficient Power Source Plug Treadmill into power source with proper electrical requirements. (See Operational Manual) Damaged Line Cord Replace Line Cord. Line Cord improperly seated in electri[...]

6 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: DISPLAY DOES NOT ILLUMINATE OR RESPOND TO INPUT Malfunction Probable Cause Corrective Action Display will not illuminate when machine is turned on. Insufficient power source. Plug Treadmill into power source with proper electrical requirements. (See Operation Manual) Loose connectio[...]

7 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: UNIT WILL NOT ELEVATE Malfunction Probable Cause Corrective Action Unit will not elevate Line Cord is crossed over lifting assembly Check position of Line Cord placement. Faulty Lift Actuator (limits) Perform Lift Test (See Diagnostics). Defective Lift Actuator Replace Lift Actuator[...]

8 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: ERROR DISPLAY MESSAGES Malfunction Probable Cause Corrective Action ERROR MESSAGES: START UP (Occurs when the Striding Belt, upon start up, will speed up at a high rate) Bad connection to Opto Speed Sensor Check all electrical connections. Misaligned or damaged Opto Speed Sensor Adj[...]

9 Life Fitness Model 4000 Treadmill TROUBLESHOOTING GUIDE Symptom: OPTIONAL HEARTRATE KIT DOES NOT RESPOND Malfunction Probable Cause Corrective Action Heart Rate system does not respond Heart Rate cable not connected Check all electrical connections. Loose connection at Receiver Secure connection at Receiver Loose connection at Console Secure conn[...]

10 Life Fitness Model 4000 Treadmill NOTES:[...]

1 Life Fitness Model 4000 Treadmill DIAGNOSTIC TESTS This Section describes the test procedures for the Life Fitness 4000 Treadmill Display Console Board including the Heart Rate feature (operational only if equipped with the optional Heart Rate Kit Tray). Diagnostic procedures will test the Display Console Board as used in the final Treadmill asse[...]

2 Life Fitness Model 4000 Treadmill DIAGNOSTIC TESTS ( Continued ) The SPEED τ key is used for the following testing information: ⇒ CHECK THE DISPLAY/KEYPAD FUNCTIONS ⇒ REVIEW STATISTICS ⇒ IDENTIFY SOFTWARE VERSION Use the ENTER key to advance through the test. Power up the unit while holding the SPEED τ key. All LED’s on the display cons[...]

3 Life Fitness Model 4000 Treadmill DIAGNOSTIC TESTS (Continued) The INCLINE τ key is used for the following testing information: ⇒ ELEVATION TEST/ HOME SWITCH ⇒ SPEED MODE OPERATION ⇒ HEARTRATE MODE OPERATION (if equipped with optional heart rate kit) ⇒ BLANKING ON/OFF Power up the unit while holding down the INCLINE τ key. The display c[...]

4 Lifestride Model 4000 Treadmill DIAGNOSTIC MODE ENTRY (Continued) TO TEST THE ELEVATION : Press the INCLINE σ key to elevate the treadmill. Press the INCLINE τ key to lower the unit. A beeping will occur while the unit is being lowered and the home switch is activated. To completely lower the elevation, set the incline to 0%. The unit will cont[...]

1 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE VENT COVER Tools Required: Phillips Screwdriver Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Use a phillips screwdriver to remove the two SCREWS securing the sides of the VENT COVER to the MOTOR COVER . Step 3 Grasp th[...]

2 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE MOTOR COVER Tools Required: Phillips Screwdriver, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the VENT COVER (See “How To...”). Step 3 Use a phillips screwdriver to remove the SCREW securing [...]

3 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE DISPLAY CONSOLE Tools Required: Phillips Screwdriver Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the TRAY, if equipped with the optional HEART RATE kit. (See “How To...”). Step 3 Use a phillips screwdriver [...]

4 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE HANDLEBAR AND HANDRAILS Tools Required: Phillips Screwdriver, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the DISPLAY CONSOLE. (See “How To...”). Step 3 Remove the two HEX KEY SCREWS secu[...]

5 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE DECK AND STRIDING BELT Tools Required: Phillips Screwdriver, socket set, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the MOTOR COVER. (See “How To...”). Step 3 Use a phillips screwdriver [...]

6 Life Fitness Model 4000 Treadmill How To ... ADJUST AND TENSION THE STRIDING BELT Tools Required: Hex key wrench set, phillips screwdriver A. REPLACING THE STRIDING BELT WITH A NEW STRIDING BELT Step 1 After installing the new STRIDING BELT, but prior to tensioning, place two pieces of tape exactly 38.5 inches (97.79 cm) apart on both the right a[...]

7 Life Fitness Model 4000 Treadmill How To... ADJUST AND TENSION THE STRIDING BELT ( Continued ) Tools Required: Hex key wrench set, phillips screwdriver It is EXTREMELY important that the treadmill be correctly leveled prior to any tracking adjustments. An unstable unit may cause Striding Belt misalignment. Tracking (Centering) an Existing or New [...]

8 How To... ADJUST AND TENSION THE STRIDING BELT ( Continued ) Tools Required: Hex key wrench set, phillips screwdriver Step 3 Repeat adjustments until the STRIDING BELT appears centered. Allow the machine to continue running for several minutes to observe if the tracking remains stabilized. It is EXTREMELY important that the treadmill be correctly[...]

9 Life Fitness Model 4000 Treadmill H ow To... REMOVE AND REPLACE THE FRONT ROLLER ASSEMBLY Tools Required : Phillips screwdriver, socket set, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet . Step 2 Remove the MOTOR COVER. (See “How To...”). Step 3 It will now be necessary t[...]

10 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE REAR ROLLER Tools Required Socket and ratchet set, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the MOTOR COVER. See “How To...” Step 3 Use a phillips screwdriver to remove the three SCRE[...]

11 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE HEATSINK CONTROL B OARD ASSEMBLY Tools Required: Phillips Screwdriver, socket and ratchet set, hex key wrench set WARNING: FAILURE TO OBSERVE SAFE PROCEDURES WHEN SERVICING THIS UNIT COULD RESULT IN INJURY FROM ELECTRICAL SHOCK Step 1 Turn the power OFF at the ON/OFF switch and [...]

12 How To ... REMOVE AND REPLACE THE HEATSINK CONTROL B OARD ASSEMBLY ( C ontinued ) Step 6 Use a socket wrench to loosen and remove the two SCREWS securing the GROUNDING WIRES to the HEATSINK CONTROL BOARD ASSEMBLY . Step 7 Lift off the PROTECTIVE COVER from the top of the CAPACITOR. Remove the POSITIVE and NEGATIVE WIRE CONNECTORS leading from th[...]

13 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE DISPLAY WIRE HARNESS Tools Required: Phillips Screwdriver, socket and ratchet set, hex key wrench set WARNING: FAILURE TO OBSERVE SAFE PROCEDURES WHEN SERVICING THIS UNIT COULD RESULT IN INJURY FROM ELECTRICAL SHOCK Step 1 Turn the power OFF at the ON/OFF switch and then unplug [...]

14 How To ... REMOVE AND REPLACE THE LIFT ACTUATOR ASSEMBLY Tools Required: Phillips screwdriver, standard screwdriver, hex key wrench set WARNING: FAILURE TO OBSERVE SAFE PROCEDURES WHEN SERVICING THIS UNIT COULD RESULT IN INJURY FROM ELECTRICAL SHOCK Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outle[...]

15 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE DRIVE MOTOR BELT Tools Required: Phillips screwdriver, socket and ratchet set, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the VENT COVER. (See “How To...”). Step 3 Remove the MOTOR COVE[...]

16 How To ... REMOVE AND REPLACE THE DRIVE MOTOR BELT ( Continued ) Step 5 Lift the FRONT ROLLER ASSEMBLY from the EXTRUSION BRACKETS and position the FRONT ROLLER within the STRIDING BELT to allow for removal of the DRIVE MOTOR BELT from the DRIVE MOTOR and FRONT ROLLER PULLEYS. Step 6 Position a new DRIVE MOTOR BELT over the DRIVE MOTOR and FRONT[...]

17 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE DRIVE MOTOR Tools Required: Phillips screwdriver, socket and ratchet set, hex key wrench set Step 1 Turn the power OFF at the ON/OFF switch and then unplug the unit from the electrical outlet. Step 2 Remove the VENT COVER. (See “How To...”). Step 3 Remove the MOTOR COVER. (See ?[...]

18 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE DRIVE MOTOR ( Continued ) Step 7 Remove the two DRIVE MOTOR ASSEMBLY mounting SCREWS securing the ASSEMBLY to the MOTOR MOUNTING BRACKET by using a 1/4” hex wrench. Remove the DRIVE MOTOR ASSEMBLY from the unit. Pivoting the MOTOR MOUNTING BRACKET may be required to remove the ASS[...]

19 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE LIFESPRINGS Tools Required: Phillips screwdriver, socket and ratchet set, hex key wrench set Step 1 Turn the power OFF at the on/off switch and then unplug the unit from the electrical outlet. Step 2 Remove the MOTOR COVER . (See “How To...”). Step 3 Remove the DECK and STRI[...]

20 Life Fitness Model 4000 Treadmill How To ... REMOVE AND REPLACE THE TRAY ( O ptional Heart Rate Kit ) Tools Required: Phillips screwdriver Step 1 Turn the power OFF by unplugging the unit at the electrical outlet. Step 2 Remove the two SCREWS located on the underside of the TRAY which are securing the TRAY to the DISPLAY CONSOLE. Hold on to the [...]

21 Life Fitness Model 4000 Treadmill NOTES:[...]

1 Life Fitness Model 4000 Treadmill WIRING DIAGRAM Life Fitness Model 4000 Treadmill[...]

2 PARTS IDENTIFICATION SN # 558000 - UP Leg Leveler 0017-00009-0796 Wheel OK40-01021-0000 Motor Shroud AK40-00037-0002 Console Assembly AK40-00057-0001(R) Eng/Met AK40-00057-0004(R) Frn/Met Overlay Bezel AK40-00058-0001 Eng/Eng AK40-00058-0004 Frn/Met Handlebar w/Grips OK40-01092-0001 Handrail Tube OK40-01006-0001 Mono-Column OK40-01093-0001 Stop K[...]

3 Life Fitness Model 4000 Treadmill PARTS IDENTIFICATION SN # 558000 - UP End Cap( LT) OK40-01086-0008 End Cap(RT) OK40-01086-0007 Extrusion(RT) OK40-01165-0001 Extrusion(LT) OK40-01165-0002 Handrail Mount OK40-01034-0001 Push-Cap Kit GK45-00002-0008 Vent Cover AK40-00039-0001 Tray w/Heart Rate(optional) GK40-00002-0006 Tray(optional) OK40-01095-00[...]

4 Life Fitness Model 4000 Treadmill PARTS IDENTIFICATION SN # 558000 - UP Transformer 0017-00003-0751(120v) 0017-00003-0758(230v) Lift Pin Kit GK45-00002-0009 Drive Belt OK40-01014-0000 Front Roller Assembly AK40-00027-0000 Deck Assembly AK40-00025-0001 Rear Roller OK40-01013-0000 Stride Belt OK40-01177-0000 TECKS PAK OK40-01026-0001 Optical Sensor[...]

5 Life Fitness Model 4000 Treadmill COMMUNICATING BY FAX If you would like to submit a parts order, or if you need help troubleshooting a problem, we have included, for your convenience, a FAX form on the following page. Simply make a copy (or copies) of the FAX sheet and fill in the necessary information. You may FAX us at any time, 24 hours a day[...]

6 CUSTOMER SUPPORT SERVICES PARTS ORDER ( IF BOTH SALE PLEASE INDICATE ) PRODUCT TROUBLESHOOTING WARRANTY NAME: CUSTOMER NO: DATE: PHONE: FAX: CONTACT NAME: METHOD OF SHIPMENT: 1 DAY 2 DAY GROUND PARTS ORDER FORM ITEM NO. PART NUMBER DESCRIPTION QUANTITY 1 2 3 4 5 6 PRODUCT TROUBLESHOOTING PRODUCT NAME: SERIAL NO. DETAILED DESCRIPTION OF PROBLEM: P[...]

7 Life Fitness Model 4000 Treadmill NOTES:[...]