Sears C249 30533 0 User manual

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WARNING:

ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL

OUTLET BEFORE SERVICING THE UNIT.

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TABLE OF CONTENTS

Table of Contents....................................................................1

Table of Figures......................................................................3

Description .............................................................................4

A ELECTRICAL CONFIGURATION......................................4

1. C249 30684 0 Treadmill components..........................4

B GENERAL INFORMATION ...............................................5

1. Console.......................................................................5

2. Main controller............................................................5

3. Treadmill motor ..........................................................5

4. incline motor...............................................................5

Operation................................................................................7

A WINDOW DISPLAY MODE..............................................7

1. OFF Mode...................................................................7

2. READY Mode.............................................................7

3. SLEEP Mode ..............................................................7

4. RUN Mode..................................................................7

B FUNCTION......................................................................8

1. SPEED........................................................................8

2. TIME..........................................................................8

3. DISTANCE.................................................................8

4. CALORIES.................................................................9

5. INCLINE ....................................................................9

6. PULSE........................................................................9

C FUNCTION BUTTON INMAIN MODE ............................10

1. READY MODE........................................................10

2. SLEEP MODE........................ !

3. RUN MODE .............................................................10

D SPEED INCLINE CALIBRATION.....................................12

1. SPEED AND INCLINE Calibration PROCEDURE ..12

2. SURVEY Calibration.............. !

Troubleshooting....................................................................13

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1. General ..................................................................... 13

2. Troubleshooting Matrix.............................................14

3. controller debugging form.........................................22

Diagrams and Schematics.....................................................23

APPENDIX A......................................................................27

1. TREADBELT ADJUSTMENT.................................27

APPENDIX B ......................................................................29

1. TREADMILL LUBRICATION................................ 29

APPENDIX C ......................................................................30

1. RESET SWITCH RESETTING................................ 30

APPENDIX D......................................................................31

1. FUSE REPLACEMENT........................................... 31

APPENDIX E.......................................................................32

1. SPEED SENSOR ADJUSTMENT............................32

2. SERVICE QUESTIONS...........................................32

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TABLE OF FIGURES

Figure 1 Operational Flowchart..............................................6

Figure 2 Console Layout......................................................23

Figure 3 Mechanical Layout.................................................23

Figure 4 Main Controller information & voltages.................24

Figure 5 Function JK1 connector on Main Controller...........24

Figure 6 Wiring Diagram.....................................................25

Figure 7 Schematic Diagram................................................26

Figure 8 If Treadbelt slips....................................................27

Figure 9 If tread belt shifts too far to the Right.....................27

Figure 10 If tread belt shifts too far to the Left.....................28

Figure 11 Resetting Reset switch .........................................30

Figure 12 Fuse replacement .................................................31

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DESCRIPTION

A ELECTRICAL CONFIGURATION

Note: Electrical servicing of this treadmill is limited to board

level replacement.

1. C249 30533 0 TREADMILL COMPONENTS

a) Safety key:

Magnetic key that fits in the Console to activate all

functions.

b) Console:

Interface that controls all functions of the treadmill.

c) Main controller:

A circuit board that incorporates the DC power supply and

takes input from the console and sends out appropriate

voltages that control the treadmill functions.

d) Treadmill motor:

A variable speed, reversing 0 - 110 volt D.C. motor that

powers the main running belt.

e) Incline motor:

An AC reversing motor that seta the incline of the treadmill.

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B GENERAL INFORMATION

1. CONSOLE

a) Contains touch controls and LCD Display.

2. MAIN CONTROLLER

a) Contains power supply and control circuits.

3. TREADMILL MOTOR

a) Variable speed reversing 0-110 volt DC motor.

b) Has three wires red, black and green.

c) If there is DC voltage on the Red wire (M+) the treadmill

motor will turn clockwise.

d) If there is DC voltage on the Black wire (M-) the treadmill

motor will turn counter-clockwise.

e) The higher the voltage the faster the motor turns.

f) The green wire is ground.

4. INCLINE MOTOR

a) Reversing 110 V AC motor.

b) Have four wires, red, black, white and green.

c) Has three 3PIN cables of position sensor.

d) If there is AC voltage on the Red wire (UP) the incline motor

will increase the incline.

e) If there is AC voltage on the Black wire (DOWN) the incline

motor will decrease the incline.

f) The white wire (COM) is neutral.

g) The green wire is ground.

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Figure 1 Operational Flowchart

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OPERATION

A WINDOW DISPLAY MODE

1. OFF MODE

a) When user doesn’t insert the SAFETY KEY on the console, the

treadmill enters the OFF Mode and the dot matrix will display”

please install safetykey to start ”

2. READY MODE

a) When the treadmill is on and the safety key is inserted in

console, the dot matrix will display ” SELECT PROGRAM ”

b) TIME, DISTANCE and CALORIES Values will all be saved

when RUN Mode enters READY Mode.

c) In READY Mode, if user doesn’t press any button for 5

minutes it will then enter SLEEP Mode.

d) Press START button to start treadmill on manual mode.

3. SLEEP MODE

a) In SLEEP Mode, when any button is pressed then the treadmill

enters READY Mode.

4. RUN MODE

a) In RUN Mode, pressing the “STOP” button and removing the

SAFETY KEY will cause the treadmill stop instantly and enter

OFF Mode.

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B FUNCTION

1. SPEED

a) SPEED and DISTANCE value display in same window and

pressing “MODE” button will toggle between them.

b) DISPLAY range is 0.0 to 99.9 KPH/MPH.

c) WORK range is 1.0 to 10 MPH.

d) Press “FAST” or ”SLOW” to adjust speed, each increment and

decrement is 0.1MPH/KPM.

2. TIME

a) TIME is either COUNT UP or COUNT DOWN. System preset

is COUNT UP; if user sets the time then timer is COUNT

DOWN.

b) DISPLAY range is 0:00 to 99:59.

c) WORK range is 0:00 to 99:59.

d) COUNT DOWN setup range is 10:00 to 99:00.

e) When TIME is set, the count will go to zero.

f) In RUN Mode, press “STOP” button to save value of time and

enter “RUN Mode” again that value will continue count up

time.

3. DISTANCE

a) DISTANCE is either COUNT UP or COUNT DOWN. System

preset is COUNT UP; if user sets the time then timer is

COUNT DOWN.

b) DISPLAY range is 0.00 to 99.99.

c) WORK range is 0.00 to 99.99.

d) COUNT DOWN setup range is 0.10 to 99.90.

Table of contents

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