Bowflex TreadClimber TC1000 Bedienungsanleitung

TC1000

Service Manual

SALES: 800-278-3933

CUSTOMER SERVICE: 800-745-1373

Table of Contents

Section Page

I.Overview 2

II. Troubleshooting Tables 3

III. Maintenance Procedures

Procedure 1 – Removal and Reinstallation of

the Power Supply Board 6

Procedure 2 – Checking Voltage at the

Power Supply Board 6

Procedure 3 – Checking and Adjusting the

Speed Sensor 7

Procedure 4 – Removal and Replacement of

the Brake Assembly 7

IV. Figures

Figure 1 – TC1000 Total Assembly (Items 1-20) 9

Figure 2 – TC1000 Main Frame (Items 21-43) 10

Figure 3 – Power Entry Module with

Fuse Holder 11

Figure 4 – TC1000 Wiring Diagram 12

V. TC1000 Parts List 13

I. Overview

Purpose.

This manual is designed to assist in service of SCIFIT TC1000 exercise

machines. The manual is divided into sections to diagnose and isolate problems.

Troubleshooting tables and procedures, along with drawings, are provided to aid

technicians in servicing equipment. The Item Numbers given in the parts list in

Section V can be used to determine the location of various parts in Figures 1

and 2.

When troubleshooting, the actions taken to resolve problems should be

performed in the order stated. Deviating from this sequence may cause damage

to the equipment and lead to unnecessary repairs.

Technical Support.

For further assistance in service of SCIFIT products, please call (800)

745-1373, extension 21. The technical support department is staffed from 8 AM

to 5 PM CST Monday through Friday. A voicemail service is available 24 hours

daily for recording messages to request technical support and to order

replacement parts.

Please have the following information prior to calling technical support:

• Model number of equipment

• Serial number of equipment

• Point of contact name and phone number

• Detailed description of symptoms encountered.

II. Troubleshooting Tables

Table 1 – Electrical Troubleshooting

Problem Possible Reasons Solutions

1.1 The machine appears to

be off when plugged in

and switched “on”.

Faulty power supply

board (Item 23).

Faulty fuse.

Loose cable connection.

If buttons on the control display

beep when pressed, replace power

supply board. See Procedure 1.

Otherwise, check power supply

board. See Procedure 2.

Check and replace fuse if needed.

(See Fig. 3)

Check wire connections at power

supply and display boards.

1.2 Upper control panel

(Item 2) lights are dim.

Power supply board

(Item 23) is faulty. Replace power supply board. See

Procedure 1.

1.3 Upper board (Item 2)

accepts commands but

rotational resistance

does not change.

Dip switch setting is

incorrect.

Power supply board

(Item 23) is faulty.

Set dip switch to 01.

Check and replace power supply

board as needed. See Procedure 2.

1.4 LED’s on upper board

(Item 2) blinking off/on,

then go dead.

Ribbon cable (Item 5)

connections are loose.

Faulty power supply

board (Item 23).

Display board (Item 2) is

faulty.

Check and replace accordingly.

Unplug and re-plug machine to

reset.

Check and replace power supply

board as needed. See Procedure 2.

Replace display board.

1.5 Heart rate displays zero

(0) in window Chest strap and trans-

mitter improperly worn.

Loose sensor lead

connection at display

board (Item 2).

Faulty receiver.

Verify that they are being properly

worn.

Check and adjust as needed.

If there is no audible signal, replace

receiver.

1.6 Unit keeps blowing

fuses.

Too many units are

daisy-chained together.

Faulty power supply

board (Item 23).

Do not daisy chain more than 3

units together.

Check and replace power supply

board as needed. See Procedure 2.

1.7 The upper display (Item

2) resets after starting a

program.

Ribbon cable connection

is loose (Item 5).

Power cord is loose.

Display board is faulty.

Check cable connection at power

supply and display boards (Items 23

and 2, respectively).

Check and adjust as needed.

Replace display board.

1.8 Program stops, lines of

dots shoot across

screen.

Ribbon cable (Item 5)

connection is loose.

Display board (Item 2) is

faulty.

Check and adjust cable connection

as needed.

Replace display board.

1.9 Machine shuts down in

programs but works in

manual.

Display board (Item 2) is

faulty. Replace display board.

1.10 Can’t select program

or enter information and

no beep when buttons

are pressed.

Overlay/switch panel

(Item 1) is faulty. Replace overlay/switch panel.

Table 2 – Mechanical Troubleshooting

Problem Possible Reasons Solutions

2.1 Pedals lock up while

operating. Power supply board

(Item 23) is faulty.

Brake (Item 30) is faulty.

Unplug power cord. If pedals now

move freely, replace power supply

board.

If pedals do not move with power

cord unplugged, replace brake. See

Procedure 4.

2.2 No resistance on pedals

when in a program. No speed signal

Wires going to brake

(Item 30) are discon-

nected.

Power supply board

(Item 23) is faulty.

Check and adjust the speed sensor

(Item 37) as needed. See

Procedure 3.

Check that brake wires are properly

connected.

Check and replace power supply

board as needed. See Procedure 2.

2.3 Very little resistance at

any level. Speed sensor (Item 37)

improperly adjusted.

Bad speed sensor

connection with power

supply board (Item 23).

Check and adjust the speed sensor

as needed. See Procedure 3.

Check voltage at power supply

board. See Procedure 2.

III. Maintenance Procedures

Procedure 1 - Removal and

Reinstallation of the Power Supply

Board

1. Unplug the unit from the power

source.

2. Remove the screws (Item 17)

that fasten the covers (Items 10

and 16) to the main frame. The

covers can be removed now.

3. Locate the power supply cover

(Item 22) on unit. Remove the

four (4) screws and the power

supply cover. Be careful when

removing the power supply cover

because of the plastic ties and

brake wires.

4. Cut all the plastic ties.

5. Before disconnecting any of the

wires, make note of the wiring

sequence. Refer to the wiring

diagram, Fig. 4.

6. Disconnect the following:

a. The two (2) white (110 V) and

two (2) black (24 V)

transformer wires. These are

all the wires from J4 on Fig. 4.

b. The black and white wires

from the power entry module

– total of two (2). These are

the wires at terminals ACIN1

and ACIN2 on the LCB.

c. The two (2) red brake wires.

d. The one (1) speed sensor

plug – J5 on Fig. 4.

e. The one (1) ribbon cable.

8. The power supply board (Item

23) can now be removed.

Reinstallation is the reverse of

removal.

9. After reinstalling the power

supply board, perform the

following procedure to test

correct reinstallation.

a. Plug into power source and

turn on.

b. The message “SCIFIT FOR

SCIENTIFIC SOLUTIONS”

should be scrolling across

upper display board. If not,

see troubleshooting table.

c. Press the start button.

d. Press SCAN/HOLD so that

the CLIMB RATE indicator

light stays lit.

e. Move the pedals as if

exercising.

f. Verify that the values are

increasing in the CLIMB

RATE window.

g. Press the down arrow key to

slow the pedal speed. It

should be slow and smooth. If

not, consult the trouble-

shooting table.

h. Press the up arrow key to

increase pedal speed. The

stepping motion should be

fast and smooth. If not, refer

to the troubleshooting table.

Procedure 2 - Checking voltage at

the Power Supply Board

1. Follow steps 1-3 in Procedure 1.

2. Disconnect the speed sensor

from the lower supply board at

the J5 terminal. See Fig. 4. Use a

voltmeter to measure the DC

voltage across the speed sensor

pins on the power supply board.

Measure the voltage across the

pin with the red wire (+) and

either one of the center pins (-).

The voltmeter should measure 4-

5 volts DC.

3. If there is no voltage, replace the

power supply board. See

Procedure 1.

Procedure 3 – Checking and

Adjusting the Speed Sensor

1. Turn machine on and press

START/STOP.

2. Set the LEVEL to 0.0. Stand on

the two pedals until they go down

as far as they will go. The

number in the DISTANCE

window should increase every

time the pedals are pressed

down.

3. If the number in the DISTANCE

window does not increase each

time the pedal is depressed,

proceed to the next step to adjust

the speed sensor.

4. Remove the covers on the

machine (Items 10 and 16).

Locate the speed sensor on the

unit (Item 37).

5. The air gap between the brake

flywheel and speed sensor

should be 1/8”-3/16”.

6. The speed sensor must be

pointed directly at the flywheel so

the eyes of the sensor will

intersect the center of the axis of

the brake. Adjust as needed.

7. Again, stand on the two pedals

until they go down as far as they

will go. If the number in the

DISTANCE window is greater

than zero but does not increase

by one, repeat steps 1-7. If a

reading of zero (0) is displayed,

proceed to step 8.

8. Use a voltmeter to measure the

DC voltage across J5 pin 1 (+)

and J5 pin 2 (-) on the power

supply board. Refer to Fig. 4. The

voltmeter should read 4-5 VDC.

9. If there is no voltage, replace the

power supply board (Item 23). If

4-5 volts are present, replace the

speed sensor.

Procedure 4 – Removal and

Replacement of the Brake

Assembly

1. Remove the screws (Item 17)

that fasten the covers (Items 10

and 16) to the main frame. The

covers can be removed now.

2. Tip the entire unit back so that it

is resting horizontally on its two

rectangular shaped feet and the

two pedals. This will allow better

access to the brake from the

underside of the unit.

3. Disconnect the two red wires on

the right side of brake (Item 30).

4. Relieve the tension in the brake

drive belt (Item 42) by loosening

the turnbuckles (Item 29) that are

attached to the brake brackets.

5. Remove the nuts and threaded

bar that hold the brake drive idler

(Item 25) onto the bracket. Also,

loosen the nuts at the lower end

of the brake brackets. With the

idler removed and the brackets

loose, the brake should be loose

enough to remove the belt.

6. Remove the three (3) socket

head screws that hold the brake

assembly to the support bracket.

7. Pull brake away from main frame.

Be careful not to damage the

speed sensor when removing the

brake.

8. Remove the brake from the

machine and set aside to return

to SCIFIT (request a UPS call tag

by phone).

9. Reinstallation is the reverse of

removal. Before tightening the

tension in the brake drive belt,

make sure that it is centered

correctly.

10.After brake assembly has been

aligned and tension set, attach

speed sensor tape to the brake

armature. First peel off tape

backing on the end with the wide

silver band and stick on the brake

surface hanging down. The tape

should be on center with the

speed sensor. Slowly rotate the

brake upward and wrap tape

around the circumference of the

brake. It is extremely important

that the speed sensor be

centered over the tape.

11.Stand unit up in its proper

position. Perform steps 12-16. If

the indicated results are not

attainable, see Procedure 3.

12.Plug in and turn on machine but

don’t press any buttons. The

display will be scrolling the

message, “SCIFIT…”

13.Press the START/STOP button.

14.If the LEVEL light is not lit, press

the SCAN/HOLD button until it

becomes lit. Use the down arrow

key to set the LEVEL to 0.0.

15.Stand on the two pedals

simultaneously so that they move

once through their entire range of

motion. The TOTAL CLIMB

window should display 1. If it

does proceed to step 16;

otherwise, check that the air gap

between the speed sensor and

brake flywheel is 1/8”-3/16” then

repeat steps 14 and 15.

16.Use the UP arrow button to set

the LEVEL to 4.0.

17.Stand on the pedals and begin

moving them at a rate typical of a

workout.

18.The resistance on the pedals

should feel smooth and

consistent. If it does, installation

is complete; otherwise, see

Procedure 3.

IV. Figures

Figure 1 – TC1000 Total Assembly (Items 1-20)

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