Bowflex 3 Series Manuale utente

Service Manual

Nautilus®Bowflex®Schwinn®Fitness Universal®

®®

001-7100-082510C

Bowﬂex®Series 3, 5 & 7 Treadmill

Important -- Please Read

If you are a consumer and require technical support to resolve a problem with your Bowflex®3, 5 or 7 Series

Treadmill, please call Nautilus Customer Service at 800-605-3369 (USA) or +01-360-859-5180 (International).

Important Safety Warnings -----------------------------------------------1

Grounding Instructions -----------------------------------------------2

Safety Warning Labels and Serial Number ---------------------------------3

Emergency Stop Procedures -------------------------------------------4

Folding, Transporting & Unfolding your Treadmill -----------------------------5

Treadmill Specifications-------------------------------------------------6

Electrical Layout ------------------------------------------------------8

Common Service Procedures ---------------------------------------------9

Calibration----------------------------------------------------------9

Walking Belt Tension------------------------------------------------10

Walking Belt Centering ----------------------------------------------10

Troubleshooting Procedures ---------------------------------------------11

General Power Source and Electrical Plug Set Up ---------------------------11

No Power to the Unit ------------------------------------------------11

Console Error Codes ------------------------------------------------12

Elevation Problems -------------------------------------------------14

Replacing Parts ------------------------------------------------------15

Walking Belt Replacement --------------------------------------------15

Table of Contents

Voltages inside the Bowﬂex®3, 5 or 7 Series Treadmill are dangerous. Servicing by people other than

Authorized Nautilus® Service personnel may result in electrical shock or other injury.

Important Safety Instructions

Obey the following warnings:

Read and understand the Service Manual before working on the machine. Failure to obey the instructions and

safety warnings could cause injury to the service technician or bystanders.

• Keep children away from the product being serviced at all times..

•Make sure that the repair is done in an appropriate work space away from foot traffic and exposure to bystanders.

•Disconnect all power and allow to sit for 5 min. before you service this machine.

•Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do

maintenance steps involving these components. Do not try to do heavy or awkward steps on your own.

•Use only genuine Nautilus supplied or approved replacement parts and hardware. Failure to use genuine

replacement parts can adversely effect the safety and functionality of the equipment creating a risk to users.

•Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition

when doing maintenance or replacing components. If necessary request replacement warning stickers or placards

from Nautilus customer service.

•Do not try to change the design or functionality of the machine being serviced as this can adversely effect user

safety.

•Do not use the machine until all shrouds, instructions, warning labels and correct functionality have been verified

and tested for correct performance.

This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Grounding Instructions

This product must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for

electric current, reducing the risk of electric shock. The power cord is equipped with an equipment-grounding conductor

and a grounding plug. Keep this plug in an appropriate outlet that is properly installed and grounded in accordance with

all local codes and ordinances.

reserved. Nautilus, Inc. (www.NautilusInc.com) trademarks include NAUTILUS®, BOWFLEX®, SCHWINN® and UNIVERSAL® and respective logos. Other trademarks are the property of their

respective owners.

Service Manual

Important Safety Instructions

Safety Warning Labels and Serial Number

Label 1: "Failure to follow these safeguards may result in serious injury or health problems.

1. Remove control key when not in use and store out of reach of children.

2. If you feel any unusual pain or tightness in your chest, shortness of breath, or dizziness, feel faint or have any

discomfort while you exercise, STOP!

1. To avoid injury, stand on the side rails before starting treadmill.

2. Read and understand Owner's Manual and operation instructions prior to use. If you do not have and Owner's

Manual call 800-864-1270 to obtain one.

3. Keep pets and children away.

4. Max user wt. 275 lbs / 125 kgs. "

Location: On the inside of both handrails.

Label 2: "Electric shock hazard. Do not open cover."

Location: On the right side of the motor cover, on the front of the machine.

Serial Number: Have the serial number of the unit ready when you contact Customer Service to resolve any issues.

Location: On the left side of the motor cover, on the front of the machine.

Label 1

Label 2

Motor Cover

Serial Number

location

Serial

Number

Service Manual

Important Safety Instructions

NOTICE: For an immediate stop, press the POWER button, the STOP button, or remove the safety pull

pin. CAUTION – THE BELT STOPS ABRUPTLY.

Magnetic Stop Key

The treadmill stops immediately if the safety key is removed from the treadmill while in use. This feature

prevents serious harm and, when used properly, can be an excellent way to protect your safety during a

workout.

Emergency Stop Procedures

Your treadmill comes equipped with a SAFETY KEY that can protect you from serious injury. The safety key

uses a magnetic key to hold it in the proper position. Insert the safety key fully into the safety keyhole.

ALWAYS CLIP THE SAFETY KEY CLIP TO YOUR CLOTHING DURING YOUR WORKOUT. UNLESS THERE IS

AN EMERGENCY, DO NOT REMOVE THE SAFETY KEY WHEN STANDING ON THE WALKING BELT WHILE IN

MOTION.

Service Manual

This treadmill comes with a folding mechanism. You must

stop operation before folding and transporting the machine.

Make sure the power is off and the power cord is removed

and unplugged before folding and transporting the treadmill.

Folding the treadmill:

1. Stop the treadmill belt.

2. Bring Elevation to zero.

3. Turn off power.

4. Squeeze the release mechanism, then lift the deck

to fold up the treadmill. Make sure the pin clicks into

position and the deck is secure before moving the

treadmill.

Transporting the treadmill:

1. Make sure deck is locked/engaged in the up position

after folding.

2. Remove Power cord.

3. Hold the top of the deck and pull backwards until the

wheels move smoothly.

Unfolding the treadmill:

Squeeze the release mechanism down and gently lower the

deck until it sits on level ground.

Do not use the uprights, arms, or console to lift or move the Bowﬂex®Treadmill. Doing so causes physical

injury to you, and can cause damage or destroy the Bowﬂex®Treadmill.

Folding,Transporting & Unfolding the Treadmill

Important Safety Instructions

Service Manual

Specifications

The dimensions and general specifications for the Bowflex®3, 5, or 7 Series Treadmill include:

Product Weight Series 3

Series 5

Series 7

298 lbs. / 135 kg

Maximum User

Weight

Series 3

Series 5

Series 7

275 lbs. / 125 kg.

300 lbs. / 136 kg.

Motor Size Series 3

Series 5

Series 7

1.75 Horsepower

2.5 Horsepower

3.0 Horsepower

Speed Series 3

Series 5

Series 7

.5 - 10 mph

.5 - 11 mph

Incline Range Series 3

Series 5

Series 7

Range - 0-12%

Walking Surface Series 3

Series 5

Series 7

20” x 54” / 51 x 137 cm

20” x 60” / 51 x 152 cm

Belt Series 3

Series 5

Series 7

1 - ply

2 - ply

Warranty See Warranty card for detailed warranty information

Service Manual

Electrical Layout

1. Top Black cable (speed sensor)

2. Middle Red wire (up elevation)

3. Middle Black wire (down elevation)

4. Middle White wire (elevation Com)

5. Blue wire (N/L2)

6. Brown Wire (AC/L1)

7. Bottom Left Black wire (A2 Motor)

8. Bottom Right Red wire (A1 Motor)

Lights

1. Top Left (PWM)

2. Top Middle (speed sensor)

3. Top Right (V_Console)

Lights next to Middle Red wire

1. Left (elevation up)

2. Right (elevation down)

Fuses

1. Middle Left ( 0.5 amp main board)

2. Middle Right ( 1. 5 amp AC – incline)

3. Gray Fuse under Blue and Brown wire

(15 amp DC power)

Plug and Switch conﬁguration

Plug and switch wiring

conﬁguration

1. Connects with N/(L2) On control board

2. Connects with AC/(L1) On control board

Service Manual

Common Service Procedures

Calibration

Calibrate the Treadmill after replacing a component, like

a belt or motor, and after a power outage. Calibrating

the Treadmill is an important part of troubleshooting and

maintenance.

Do not stand on the walking belt during the entire

calibration process. Stand on the side foot support

platforms or rubber mat only.

1. Plug power cord into wall outlet and turn on power

switch.

2. Stand on the side foot support platforms or rubber

ﬂoor mat. DO NOT STAND ON THE WALKING

BELTS.

3. Insert the Safety Key.

Note: The Bowﬂex®Treadmill does not power up

if the Safety Key is not fully inserted into the safety

keyhole.

4. Press and hold hold “ENTER” and “POWER” for 3

seconds while the Console is dormant. The word

“CAL” shows on the display.

5. Press “START”. This enables display of maximum

speed (with unit of measure) and maximum incline.

6. Verify correct units of measure (English imperial/

metric). Press “START” to change from one type

to another. Press “ENTER” one time to set the

measurement unit.

7. Press “START”.

8. Press “POWER” again to save and exit, once

calibration is complete.

Service Manual

Common Service Procedures

Walking Belt Tension

The walking belt tends to stretch slightly with use, thus it may

need to be tightened. If the walking belt is too loose, the belt

may stop during operation (running or walking).

DO NOT OVERTIGHTEN BELT. Too much tension on the belt

causes unnecessary friction and wears the belt, motor,

rollers and electronics. To make sure the belt tension is

correct, put three ﬁngers under the edge of the stationary

walking belt. You should be able to lift the side of the belt

approximately 2-3 inches (5-7 centimeters).

To Tighten Belt

1. Use the hex key provided with the treadmill. Place

the hex key in the hole in left end cap and into the

socket of the adjustment screw.

2. Turn key one full turn clockwise.

3. Place hex key in hole in right end cap and turn key

one full turn clockwise.

4. Check the tension of the belt.

5. Continue adjusting each side if the belt, back and

forth, until belt tension is correct.

6. Make sure to adjust both sides equally to keep the

belt correctly aligned.

Walking Belt Centering

The walking belt may need to occasionally be centered.

First, check the belt tension. It must be correctly adjusted.

Run the treadmill at about 3.5 mph (6km/h). Place the hex key

through the hole in the left end cap and into the socket of the

adjustment screw.

If Belt Moves to the Right

1. Turn the right adjustment screw 1/2 turn clockwise,

then turn the left adjustment screw 1/2 turn

counterclockwise.

2. If belt does not move, repeat until belt is centered.

3. Recheck the tension of the belt (see above).

If Belt Moves to the Left

1. Turn the right adjustment screw 1/2 turn

counterclockwise, then turn the left adjustment

screw 1/2 turn clockwise.

2. If belt does not move, repeat until belt is centered.

3. Recheck the tension of the belt (see above).

Adjustment screws

Close up of an adjustment screw hole

Service Manual

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