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NordicTrack S25i - User Manual

NordicTrack S25i
36 pages
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Model No. NTL79520-INT.0
Serial No.
Write the serial number in the space
above for reference.
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manual
for future reference.
Serial
Number
Decal
USER'S MANUAL
CUSTOMER SERVICE
UNITED KINGDOM
Call: 08457 089 009
From Ireland: 053 92 36102
Website: www.iconsupport.eu
E-mail: csuk@iconeurope.com
Write:
ICON Health & Fitness, Ltd.
Unit 4, Westgate Court
Silkwood Park
OSSETT
WF5 9TT
UNITED KINGDOM
AUSTRALIA
Call: 1800 993 770
E-mail: australiacc@iconfitness.com
Write:
ICON Health & Fitness
PO Box 635
WINSTON HILLS NSW 2153
AUSTRALIA
iconeurope.com

Questions and Answers

  • C
    Chase AdamsJul 27, 2025
    What to do if my NordicTrack S25i Treadmill power turns off during use?
    • Q
      qdurhamJul 27, 2025
      If your NordicTrack Treadmill's power turns off during use, ensure the power cord is securely plugged in. If it is, unplug it, wait five minutes, and plug it back in. Also, try removing and reinserting the key from the console. If the switch has tripped, wait for five minutes and then press the switch back in.
  • R
    Randall PrestonJul 31, 2025
    How to fix NordicTrack S25i when the power does not turn on?
    • J
      Jason SmithJul 31, 2025
      If your NordicTrack Treadmill isn't powering on, ensure the power cord is correctly plugged into a surge suppressor, and the surge suppressor is plugged into a grounded outlet. If you're using an AFCI-equipped outlet and the circuit breaker trips, consider purchasing an arc filter. Also, check that the key is fully inserted into the console. If the power switch has tripped, wait five minutes before pressing it back in. Finally, the console may require activation; refer to assembly step 21 on page 17 to activate your console.
  • E
    Elizabeth PalmerAug 4, 2025
    What to do if NordicTrack S25i Treadmill turns off during use?
    • R
      robertskimAug 5, 2025
      If your NordicTrack Treadmill shuts off during use, try these steps: First, allow the power switch to reset by waiting five minutes, then press it back in. Ensure the power cord is securely plugged in; if it is, unplug it, wait five minutes, and plug it back in. Also, remove and reinsert the key from the console.
  • R
    Ryan RobertsAug 9, 2025
    How to fix NordicTrack S25i walking belt slipping?
    • M
      Martha PughAug 10, 2025
      If your NordicTrack Treadmill's walking belt slips when you walk on it, first remove the key and unplug the power cord. Then, using the hex key, turn both idler roller screws clockwise, 1/4 of a turn. When the walking belt is correctly tightened, you should be able to lift each edge of the walking belt 2 to 3 inches off the walking platform. If the walking belt has shifted to the left, turn the left idler roller screw clockwise 1/2 of a turn; if the walking belt has shifted to the right, turn the left idler roller screw counterclockwise 1/2 of a turn. Then, plug in the power cord, insert the key, and walk on the treadmill for a few minutes. Repeat until the walking belt is centered.
  • M
    Molly YoderAug 14, 2025
    Why does my NordicTrack Treadmill slow down when I walk on it?
    • M
      Mark WaltonAug 14, 2025
      If the walking belt on your NordicTrack Treadmill slows down when you walk on it, and you are using an extension cord, make sure it's a 3-conductor, 14-gauge (2 mm[2]) cord that is no longer than 5 ft. (1.5 m). If the walking belt is overtightened, treadmill performance may decrease and the walking belt may become damaged. Remove the key and unplug the power cord. Using the hex key, turn both idler roller screws counterclockwise, 1/4 of a turn. When the walking belt is properly tightened, you should be able to lift each edge of the walking belt 2 to 3 in. (5 to 7 cm) off the walking platform.
  • A
    Alexis StewartAug 18, 2025
    How to center a walking belt on NordicTrack Treadmill if it is off-center or slips?
    • L
      lauraloveAug 18, 2025
      If the walking belt on your NordicTrack Treadmill is off-center or slips, first remove the key and unplug the power cord. For an off-center belt, if it has shifted to the left, turn the left idler roller screw clockwise 1/2 turn; if it has shifted to the right, turn the left idler roller screw counterclockwise 1/2 turn. If the belt slips, turn both idler roller screws clockwise 1/4 of a turn. Ensure the belt is not overtightened—you should be able to lift each edge 2 to 3 inches. Plug in the power cord, insert the key, and walk on the treadmill to test; repeat adjustments as needed.
  • S
    Susan OrtizAug 22, 2025
    Why does the walking belt slow down when walked on NordicTrack S25i Treadmill?
    • D
      david51Aug 22, 2025
      If the walking belt on your NordicTrack Treadmill slows down when you walk on it: * Ensure you are using a surge suppressor that meets all specifications. * If the walking belt is overtightened, remove the key and unplug the power cord. Use the hex key to turn both idler roller screws counterclockwise 1/4 of a turn. The belt should be tight enough that you can lift each edge 2 to 3 inches off the platform. Keep the belt centered. Plug the power cord back in, insert the key, and test the treadmill.

Summary

Customer Service

United Kingdom Customer Service

Contact information for customer support in the United Kingdom.

Australia Customer Service

Contact information for customer support in Australia.

Warning Decal Placement

Important Precautions

General Safety Precautions

Essential safety rules and precautions for treadmill operation.

Before You Begin

Part Identification Chart

Assembly

Assembly Requirements and Preparation

Outlines requirements, tools needed, and initial preparation steps for assembly.

How to Use the Treadmill

Turning On and Manual Mode Operation

Guide to powering up the treadmill and operating it in manual mode.

How to Fold and Move the Treadmill

Folding the Treadmill for Storage

Detailed steps for safely folding the treadmill into its storage position.

Maintenance and Troubleshooting

Routine Maintenance Procedures

Procedures for cleaning and maintaining the treadmill for optimal performance.

Troubleshooting Power and Incline

Solutions for common issues with the treadmill's power and incline functions.

Walking Belt Alignment and Slippage

Guidance on correcting walking belt centering and slippage issues.

Exercise Guidelines

Part List

Ordering Replacement Parts

NordicTrack S25i Specifications

General IconGeneral
Cooling FanYes
Speed0 to 12 mph
Display14" HD Touchscreen
User Capacity300 lbs
iFit CompatibilityYes
BluetoothYes
FoldingYes

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