NordicTrack C2155 NTL07707.0 User Manual

NordicTrack C2155 NTL07707.0

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Serial

Number

Decal

Model No. NTL07707.0

Serial No.

CAUTION

Read all precautions and instruc-

tions in this manual before using

this equipment. Save this manual

for future reference.

QUESTIONS?

As a manufacturer, we are com-

mitted to providing complete cus-

tomer satisfaction. If you have

questions, or if parts are missing,

PLEASE DO NOT CONTACT

THE STORE; please contact

Customer Care.

IMPORTANT: You must note the

product model number and

serial number (see the drawing

above) before contacting us:

CALL TOLL-FREE:

1-888-825-2588

Mon.–Fri. 6 a.m.–6 p.m. MST

Sat. 8 a.m.–4 p.m. MST

ON THE WEB:

www.nordictrackservice.com

Visit our website at

www.nordictrack.com

new products, prizes,

fitness tips, and much more!

V

Write the serial number in the space

above for reference.

USER'S MANUAL

With Universal Dock for iPod

®

Table of Contents

Questions and Answers:

M
Morgan RangelJul 26, 2025
How to turn on NordicTrack C2155 NTL07707.0 Treadmill if it doesn't power on?
- H
  hoffmannatalieJul 26, 2025
  First, ensure the power cord is properly plugged into a surge suppressor, and that the surge suppressor is connected to a grounded outlet. The NordicTrack Treadmill requires a single-outlet surge suppressor meeting specific criteria. Note that it is not compatible with GFCI-equipped outlets. Next, with the power cord plugged in, verify that the key is correctly inserted into the console. Finally, check the reset/off circuit breaker on the treadmill frame near the power cord. If the switch protrudes, the breaker has tripped; wait five minutes before pressing the switch back in to reset it.
C
Christopher FloresJul 31, 2025
How to recalibrate incline on NordicTrack C2155 NTL07707.0 Treadmill?
- R
  Robert PetersJul 31, 2025
  If the incline on your NordicTrack Treadmill isn't changing correctly, insert the key into the console and press an Incline button. While the incline is moving, remove the key. Wait a few seconds, then re-insert the key. The treadmill should automatically rise to its maximum incline and then return to the minimum level, recalibrating the incline system.
T
Taylor WilsonAug 4, 2025
How to turn off demo mode on NordicTrack C2155 NTL07707.0?
- M
  Michael GriffinAug 5, 2025
  The console of your NordicTrack Treadmill might be in display demo mode, which is intended for use in retail stores. To disable this mode, press and hold the Stop button for a few seconds. If the displays are still lit, refer to THE INFORMATION MODE on page 19 to turn off the demo mode.
S
smithchristopherAug 9, 2025
How to fix NordicTrack C2155 NTL07707.0 Treadmill walking belt if it is off-center or slips?
- N
  Nicole AdamsAug 9, 2025
  If the walking belt on your NordicTrack Treadmill is off-center, unplug the power cord and remove the key. If the belt has shifted left, turn the left rear roller bolt clockwise 1/2 turn; if it's shifted right, turn the bolt counterclockwise 1/2 turn. Avoid overtightening. Reconnect the power cord, insert the key, and run the treadmill briefly to check the alignment. Repeat as necessary. If the belt slips, unplug the treadmill and remove the key. Tighten both rear roller bolts clockwise 1/4 turn. Ensure the belt isn't too tight—you should be able to lift each edge 2-3 inches. Plug in the treadmill, insert the key, and walk on it to test. Repeat until the slipping stops.
K
Kelly RodriguezAug 15, 2025
Why does the NordicTrack Treadmill walking belt slow down when I walk on it?
- D
  Danny BennettAug 15, 2025
  If the walking belt on your NordicTrack Treadmill slows down when you walk on it, ensure you are using a single-outlet surge suppressor that meets the specifications. If the walking belt is overtightened, unplug the power cord and remove the key. Loosen both rear roller bolts counterclockwise 1/4 of a turn using the hex key. The belt should be tight enough to allow lifting each edge 2-3 inches off the platform. Plug the treadmill back in, insert the key, and test it for a few minutes. Repeat adjustments as needed. If the issue continues, please see the front cover of this manual.
M
Molly FreemanAug 19, 2025
What to do if NordicTrack C2155 NTL07707.0 Treadmill turns off during use?
- E
  Edward WalkerAug 19, 2025
  If your NordicTrack Treadmill turns off during use, first check the reset/off circuit breaker and reset it if tripped by waiting five minutes and then pressing the switch back in. Next, 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. If the issue persists, please consult the front cover of this manual.

NordicTrack C2155 NTL07707.0 Specifications

General

Brand	NordicTrack
Model	C2155 NTL07707.0
Category	Treadmill
Language	English

Summary

Treadmill Safety Warnings

Operational Warnings

Critical safety warnings for operating the treadmill.

Important Safety Precautions

Health and Medical Advice

Recommends consulting a physician before starting exercise.

Unattended Operation and Storage

Procedures for when the treadmill is not in use.

Maintenance and Servicing Precautions

Guidelines for cleaning, inspection, and authorized repairs.

Power and Electrical Safety

Requirements for surge suppressors, grounding, and extension cords.

Safe Operation Practices

Holding handrails, using the safety clip, and adjusting speed.

Assembly Instructions

Assembly Requirements and Tools

Lists necessary personnel, tools, and preparation for assembly.

Base and Upright Assembly

Securing Uprights and Endcaps

Handrail and Console Attachment

Storage Latch Installation

Hardware Identification Guide

Operation and Adjustment

Walking Belt Maintenance

Do not apply lubricants to the walking belt or platform.

Console Overview and Features

Explains console display, buttons, iFIT, and iPod compatibility.

Powering On and Safety Clip

Steps to turn on the treadmill and use the safety clip.

Incline Adjustment Guide

Using Preset Workouts

Utilizing iFIT Interactive Workouts

Power Connection and Safety

Proper grounding, surge suppressor use, and outlet compatibility.

Using Console Modes

Manual Mode Operation

How to start, control speed, and stop in manual mode.

Finishing Exercise Procedures

Safely stopping the treadmill and powering it down.

Folding and Moving the Treadmill

Folding for Storage

Unfolding for Use

Safe Treadmill Transport

Troubleshooting Common Issues

Power and Console Errors

Solutions for power failures and console display problems.

Incline and Belt Performance

Fixing incline issues and walking belt slowing.

Walking Belt Alignment and Slip

Adjusting the belt for centering and to prevent slipping.

Part Identification and List

Treadmill Component Listing

Ordering Replacement Parts

Information Required for Orders

Limited Warranty Information

Warranty Coverage Details

Specifies warranty periods for frame, parts, and labor.

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