Life Fitness 5500HR User Manual

Life Fitness 5500HR

47 pages

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Model 5500HR Treadmill

Customer Support Services

SERVICE MANUAL

Other manuals for Life Fitness 5500HR

Assembly Instructions37 pages

Questions and Answers:

M
Matthew ReeseAug 13, 2025
What to do if my Life Fitness Treadmill display doesn't turn on?
- S
  Stephen RobertsonAug 14, 2025
  If the display of your Life Fitness Treadmill does not illuminate when powered on, it could be due to: * Insufficient power source: Ensure the treadmill is plugged into a dedicated 120V, 15 amp circuit. * Pinched wire connection: Check all electrical connections. * Loose connection: Secure connections at the Display Console or Heatsink Control Board. * Faulty components: Consider replacing the Display Console or the Heatsink Control Board.
M
mmyersAug 18, 2025
Why does my Life Fitness Treadmill keep resetting?
- R
  Ryan BergerAug 18, 2025
  Your Life Fitness Treadmill might be resetting randomly due to: * Insufficient power: Plug the treadmill into a dedicated 120V, 15 amp circuit. * Damaged line cord: Replace the line cord. * Improperly seated line cord: Inspect the power connection at the electrical outlet and the machine for proper contact. * Pinched display harness: Check all display connections. * Loose connections: Secure connections at the heatsink control board and display. * Safety key issues: Ensure the safety key is in the proper position or replace the faulty safety key switch.
B
brookerodriguezAug 21, 2025
Why won't my Life Fitness Treadmill incline?
- E
  Emily McdanielAug 21, 2025
  Your Life Fitness Treadmill may not incline due to: * Line cord positioned over the lift leg assembly: Position the line cord properly. * Faulty Home Switch: Perform an incline test. * Faulty Lift Actuator: Replace the Lift Actuator. * Calibration issues: Check the calibration of the Lift Motor if the unit will not elevate to 15%.
N
Nicholas RobertsAug 25, 2025
How to fix a Life Fitness Treadmill belt that is moving beyond the tracking guides?
- T
  tatemelissaAug 26, 2025
  If the belt on your Life Fitness Treadmill is traveling beyond the tracking guides, or is misaligned by more than 1/4", it could be due to several factors: * Worn striding belt: Replace the worn belt. * Belt tension: Refer to the belt tensioning procedure to re-tension the belt. * User pushing the belt: Center the belt according to the belt centering technique. * Uneven surface: Level the treadmill by adjusting the leveling legs. * Belt Skewed: Replace the front roller bolt with a Belt skew kit.
Q
qkennedyAug 29, 2025
What to do if my Life Fitness Treadmill has no power?
- N
  Nathan CollinsAug 29, 2025
  If your Life Fitness Treadmill has no power, consider the following: * Check the I/O or On/Off switch to ensure the unit is turned on. * Ensure it is plugged into a dedicated 120V, 15 amp circuit. * Verify the safety key is not broken or missing, and replace if necessary. * Inspect the line cord for damage and replace if needed. * Ensure the line cord is properly seated in the socket. * Check for a pinched cable in the Control Panel. * Verify power at the outlet using a meter. * OHM the ON/OFF switch for continuity. * Replace any faulty parts, such as the Display Console.
M
meghanhernandezSep 1, 2025
Why is my Life Fitness Treadmill not showing my heart rate?
- D
  Donald LarsonSep 1, 2025
  If your Life Fitness Treadmill displays no heart rate or shows 'No chest strap detected' or an erratic heart rate, consider the following: * Check if the HR receiver is installed in the HR receiver jack on the underside of the handlebar tray. * Ensure you have a HR transmitter (chest strap) installed. * Wet the electrodes on the transmitter. * The HR receiver may be near an interfering electrical device, so move the treadmill to another location. * Ensure the HR connector is plugged into the display console. * Check for a pinched wire and replace the HR harness cable if necessary. * The HR receiver or transmitter may be bad, so replace them if needed. * The display console may be faulty, so replace it if needed.
J
Jorge MurphySep 5, 2025
Why does the Life Fitness Treadmill belt slip when I step on it?
- A
  Aaron KellerSep 5, 2025
  The treadmill belt might slip during footfall, reducing the desired speed, due to several reasons: * Insufficient power source: Ensure the treadmill is plugged into a dedicated 120V, 15 amp circuit. * Belt slipping on the front roller: Check the belt and re-tension if necessary. * Drive belt slipping on the sheave: Inspect the belt and re-tension as needed. * User pushing the striding belt: Inspect the belt and deck for excessive wear and replace any defective parts. * Worn deck laminate: Perform a 'Power Mode' test. * Worn or glazed underside of the striding belt: Replace both the deck and the belt.
L
Lindsey BishopSep 9, 2025
Why is my Life Fitness Treadmill making knocking or rubbing sounds?
- H
  hoodlauraSep 9, 2025
  Knocking, rubbing, or squeaking sounds in your Life Fitness Treadmill can stem from various issues: * Wax build-up: Run the unit for 10 hours to distribute wax evenly. * Faulty rear roller bearings: Replace the rear roller assembly. * Loose deck screws: Tighten the deck screws. * Foreign objects: Inspect underneath the belt and machine, removing any debris. * Misaligned Lifesprings: Reposition the Lifesprings. * Worn or damaged Drive Motor Belt: Replace the Drive Motor Belt. * Noisy or Faulty Drive Motor: Replace the Drive Motor. * Squeaking Drive Motor Belt: Spray with gear/belt lubricant. * Faulty Lift Motor: Replace the Lift Motor. * High deck and belt friction: Align pulleys if necessary.

Life Fitness 5500HR Specifications

General

Brand	Life Fitness
Model	5500HR
Category	Fitness Equipment
Language	English

Summary

Troubleshooting Guides

Belt Slips Or Display Reads Error

Troubleshoots belt slippage or reduced speed issues.

Noisy Treadmill

Addresses various noises encountered with the treadmill operation.

Display Does Not Illuminate or Respond To Input

Guides on resolving display issues like no illumination or response.

Unit Resets Randomly

Provides solutions for unexpected random resets of the treadmill unit.

No Power

Diagnoses and resolves issues related to the treadmill having no power.

Belt Contact with Frame/End Caps

Display Reads Errors

Troubleshoots specific error codes or messages displayed on the console.

Lift Error Diagnosis

Diagnostic Tests

Elevation and Home Switch Test

Power Mode Test

How to Remove and Replace Parts

Heatsink Control Board

Instructions for removing and replacing the heatsink control board.

Drive Motor Belt

Procedure for removing and replacing the drive motor belt.

Drive Motor Assembly

Detailed steps to remove and replace the drive motor assembly.

Front Roller Assembly

Rear Roller Assembly

Striding Belt Replacement

Adjust and Tension Striding Belt

Lift Actuator Replacement

Parts Description

Wiring Block Diagram

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