Sears 30427 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 ........................................................................ 4
Description................................................................................ 5
AELECTRICAL CONFIGURATION ....................................... 5
1. Sears 30427 0 Treadmill components........................... 5
BGENERAL INFORMATION................................................. 6
1. Console ......................................................................... 6
2. Main controller.............................................................. 6
3. Treadmill motor ............................................................ 6
4. Incline motor................................................................. 6
Operation................................................................................... 8
AWINDOW DISPLAY MODE ............................................... 8
1. OFF Mode..................................................................... 8
2. READY Mode .............................................................. 8
3. SLEEP Mode ................................................................ 8
4. RUN Mode.................................................................... 8
5. FOLDING MODE ........................................................ 8
BFUNCTION ........................................................................ 9
1. SPEED .......................................................................... 9
2. INCLINE....................................................................... 9
3. TIME............................................................................. 9
4. laps .............................................................................. 10
5. DISTANCE................................................................. 10
6. CALORIES................................................................. 10
7. PULSE ........................................................................ 10
8. AUTO-FOLDING....................................................... 11
CFUNCTION BUTTON IN MAIN MODE ............................. 12
1. READY MODE .......................................................... 12
2. RUN MODE ............................................................... 13
DCALIBRATION PROCEDURE ........................................... 14
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1. Calibration................................................................... 14
2. VERIFYING Calibration ............................................ 15
Troubleshooting ...................................................................... 16
1. General........................................................................ 16
2. Troubleshooting .......................................................... 17
Diagrams and Schematics....................................................... 25
APPENDIX A......................................................................... 29
1. TREADBELT ADJUSTMENT .................................. 29
APPENDIX B ......................................................................... 31
1. TREADMILL LUBRICATION ................................. 31
APPENDIX C ......................................................................... 32
1. RESET SWITCH RESETTING ................................. 32
APPENDIX D......................................................................... 33
1. FUSE REPLACEMENT............................................. 33
APPENDIX E ......................................................................... 34
1. SPEED SENSOR ADJUSTMENT............................. 34
2. SERVICE QUESTIONS............................................. 34
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Table of Contents...................................................................... 1
Table of Figures ........................................................................ 4
Description................................................................................ 5
AELECTRICAL CONFIGURATION ....................................... 5
1. Sears 30427 0 Treadmill components........................... 5
BGENERAL INFORMATION................................................. 6
1. Console ......................................................................... 6
2. Main controller.............................................................. 6
3. Treadmill motor ............................................................ 6
4. Incline motor................................................................. 6
Operation................................................................................... 8
AWINDOW DISPLAY MODE ............................................... 8
1. OFF Mode..................................................................... 8
2. READY Mode .............................................................. 8
3. SLEEP Mode ................................................................ 8
4. RUN Mode.................................................................... 8
5. FOLDING MODE ........................................................ 8
BFUNCTION ........................................................................ 9
1. SPEED .......................................................................... 9
2. INCLINE....................................................................... 9
3. TIME............................................................................. 9
4. laps .............................................................................. 10
5. DISTANCE................................................................. 10
6. CALORIES................................................................. 10
7. PULSE ........................................................................ 10
8. AUTO-FOLDING....................................................... 11
CFUNCTION BUTTON IN MAIN MODE ............................. 12
1. READY MODE .......................................................... 12
2. RUN MODE ............................................................... 13
DCALIBRATION PROCEDURE ........................................... 14
1. Calibration................................................................... 14
2. VERIFYING Calibration ............................................ 15
Troubleshooting ...................................................................... 16
1. General........................................................................ 16
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2. Troubleshooting .......................................................... 17
Diagrams and Schematics....................................................... 25
APPENDIX A......................................................................... 29
1. TREADBELT ADJUSTMENT .................................. 29
APPENDIX B ......................................................................... 31
1. TREADMILL LUBRICATION ................................. 31
APPENDIX C ......................................................................... 32
1. RESET SWITCH RESETTING ................................. 32
APPENDIX D......................................................................... 33
1. FUSE REPLACEMENT............................................. 33
APPENDIX E ......................................................................... 34
1. SPEED SENSOR ADJUSTMENT............................. 34
2. SERVICE QUESTIONS............................................. 34
TABLE OF FIGURES
Figure 1 Operational Flowchart............................................... 7
Figure 2 Console Layout........................................................ 25
Figure 3 Mechanical Layout .................................................. 25
Figure 4 Main Controller information & voltages................. 26
Figure 5 Function JK1 connector on Main Controller........... 26
Figure 6 Wiring Diagram....................................................... 27
Figure 7 Schematic Diagram ................................................. 28
Figure 8 If Treadbelt slips...................................................... 29
Figure 9 If tread belt shifts too far to the Right ..................... 29
Figure 10 If tread belt shifts too far to the Left...................... 30
Figure 11 Resetting Reset switch........................................... 32
Figure 12 Fuse replacement................................................... 33
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DESCRIPTION
A ELECTRICAL CONFIGURATION
Note: Electrical servicing of this treadmill is limited to board
level replacement.
1. SEARS 30427 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 - 90 volt D.C. motor that
powers the main running belt.
e) Incline motor:
An AC reversing motor that sets the incline of the treadmill.
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B GENERAL INFORMATION
1. CONSOLE
a) Contains touch controls and 7 segment LED windows
Display
2. MAIN CONTROLLER
a) Contains power supply and control circuits
3. TREADMILL MOTOR
a) Variable speed reversing 0-90 volt DC motor. Has three
wires, red, black and green.
If there is DC voltage on the Red wire (M+) the
treadmill motor will turn clockwise.
If there is DC voltage on the Black wire (M-) the
treadmill motor will turn counter-clockwise.
The higher the voltage the faster the motor turns.
The greed wire is neutral.
4. INCLINE MOTOR
a) Reversing 110V AC motor.
Has three wires, red, black and green.
If there is AC voltage on the Red wire (DOWN) the
incline motor will increase the incline.
If there is AC voltage on the Black wire (UP) the
incline motor will decrease the incline.
The green wire is neutral.
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NO
YES
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 all windows will
appear blank.
2. READY MODE
a) When the treadmill is ON and the SAFETY KEY is inserted
on the console, the LED display’s all windows for 1 second,
the dot matrix will show “Press user WEIGHT” and
TIME/LAPS window displays 155.0bls.
3. SLEEP MODE
a) In SLEEP Mode, if “START” or “MODE” are pressed then
the treadmill enters READY Mode.
4. RUN MODE
a) In RUN Mode, pressing the “OFF” button and removing the
SAFETY KEY will cause the treadmill stop instantly and
enter OFF Mode.
5. FOLDING MODE
a) If treadmill is not used, user can fold it by using auto-
folding.
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B FUNCTION
1. SPEED
a) Displays the current speed in Miles per hour.
b) DISPLAY range is 0.0 to 99.9 mph.
c) WORK range is 1.0 to 12.0 mph.
d) Press “FAST” or ”SLOW” to adjust speed, each increment
and decrement is 0.1 mph.
2. INCLINE
a) Displays the incline position from 0 to 10.
b) DISPLAY range is 0 to 999.
c) WORK range is 0 to 10.
d) INCLINE preset value is 0 to 10.
e) Press “UP” or “ DOWN ” to adjust incline, each increment
and decrement is 1.
3. TIME
a) TIME divides in to COUNT UP and COUNT DOWN.
System preset is COUNT UP, if user set 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 setting range is 90:00 to 00:00.
e) When TIME is set, the count will go to zero.
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f) In RUN Mode, press “STOP” button to save value of time.
Enter “RUN Mode” again, the value will continue from
count up or count down time.
4. LAPS
a) Displays the total working lap quantity, LAPS and TIME
value display are in the same window and pressing
“ENTER” button will toggle between them.
b) DISPLAY range is 0 to 99.
c) WORK range is 0 to 99.
d) Displays total lap quantity.
5. DISTANCE
a) Displays the current speed in Miles per hour.
b) DISPLAY range is 0.00 to 99.9.
c) WORK range is 0.00 to 99.9.
6. CALORIES
a) Displays the cumulative calories burned at any given time
during your workout.
b) DISPLAY range is 0.0 to 999.
c) WORK range is 0.0 to 999.
7. PULSE
Displays the heart beat by using hand pulse or receiver. If using
the receiver, you must wear the chest belt to receive the signal.
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a) DISPLAY range is 0 to 999.
b) WORK range is 60 to 220.
c) In RUN Mode, if the treadmill doesn’t have a signal for 8
seconds then the value will become “P”.
8. AUTO-FOLDING
a) Press and hold Auto-Folding Switch at back of Left Handrail
and console will emit a buzzing sound which means the
treadmill is ready to be folded.
b) At this time press “UP” button to fold the treadmill.
During folding, console will continue to have buzzer sound
and INCLINE window will display“---“ until the running
deck folds to top position. The buzzer will stop and
INCLINE window still displays “---“.
c) During folding, you can release the Auto-Folding
Switch to stop folding treadmill to avoid accidents.
Press and hold Auto-Folding Switch at back of Left
Handrail and at the same time, press Incline
Adjustment Switch down (on left Handgrip Tube) to
unfold the treadmill.
d) If running deck is not in 0 position, console will emit a
buzzer sound, at the same time INCLINE window will
display “---“ and the treadmill will stop to avoid
accidents.
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C FUNCTION BUTTON IN MAIN MODE
1. READY MODE
a) SAFETY KEY: Inserting the safety key in position will
power on the computer. When safety key is pulled away
from its position, the computer will automatically shut down.
b) PROGRAM button: Press “PROGRAM” button to select
training in different program profiles, P1 is manual, P2~P6
is PRESET PROGRAM, H1~H2 is HEART RATE
CONTROL, U1~U3 is USER.
c) STOP button: Press “STOP” button for 2 seconds to reset all
screen data.
d) START button: Press “START” button to start the treadmill.
When pressing “START” button, there will be 3 seconds
final count down by a buzzer, then machine will start
running. In MANUAL mode, treadmill starts at MIN
SPEED and in PROGRAM mode, treadmill starts at the
program preset value in PROGRAM.
e) ENTER button: Press “ENTER” button to change each
function. P1 (MANUAL) can set the time, P2~P6 (PRESET
PROGRAM) can set time and speed, H1~H2 (HEART
RATE CONTROL) can set time, age and the value of heart
rate. U1~U3 (USER) can set time, speed and incline.
f) FAST button: If user doesn’t enter a setting then this button
is non-functional.
g) SLOW button: If user doesn’t enter a setting then this button
is non-functional.
h) UP button: If user doesn’t enter a setting then this button is
non-functional.
i) DOWN button: If user doesn’t enter a setting then this
button is non-functional.
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j) SPEED RAPID button: Has five buttons 2, 4, 6, 8, 10mph.
When pressing “SPEED RAPID” button, there will be 3
seconds final count down by a buzzer, then the treadmill
starts running at the preset speed in MANUAL mode.
k) INCLINE RAPID button: Has five buttons 1, 3, 5, 7, 9
position.
2. RUN MODE
a) PROGRAM button: non-functional
b) STOP button: press “STOP” button to stop and enter
READY Mode. Or pressing “STOP” button 2 seconds will
reset console.
c) START button: non-functional
d) ENTER button: Exchange display between TIME and
LAPS.
e) FAST button: Press the button to increase your speed and
each increment is 0.1 mph. If the button is pressed
continuously then speed increases to MAX SPEED quickly.
f) SLOW button: Press the button to decrease your speed and
each decrement is 0.1mph. If the button is pressed
continuously then speed decreases to MIN SPEED quickly.
g) UP button: Press the button to raise position and each
increment is 1, the maximum incline position is 10.
h) DOWN button: Press the button to lower position and each
decrement is 1, the minimum incline position is 0.
i) SPEED RAPID button: Speed will set to 2 mph, 4 mph, 6
mph, 8 mph, and 10 mph quickly.
j) INCLINE RAPID button: Incline will set to 1, 3, 5, 7, 9
position quickly.
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4
D CALIBRATION PROCEDURE
1. CALIBRATION
NOTE: Do not stand on the treadmill while calibrating.
a) Turn on power (ON / OFF SWITCH)
b) Press “START” and “FAST” button at the same time.
c) Inserts the SAFETY KEY on monitor, all windows will
appear blank.
d) Press any button to enter first step in the calibration mode.
e) Km/Mile Mode: Press “STOP” button to accept Miles in
TIME/LAPS window and the value is En=y. For km the
value is En=n.
f) Set Min. speed: Press “FAST” or “SLOW” button to set the
minimum speed to 1.0 in the speed window.
g) Set wheel size: Press “UP” or “DOWN” button to set incline
wheel to 2.30 in the incline window.
h) Press “START” button to keep the above setting and enter
next step of the calibration mode.
i) Set high speed: Press “FAST” or “SLOW” button to set the
maximum speed to 12 in the speed window.
j) Set high incline position: Press “UP” or “DOWN” button to
set the maximum incline position to 10 in the incline
window.
k) Set low incline position: Press “ENTER” button to set the
minimum incline position to 0 in the distance window.
l) Press “START” button to keep all values. The treadmill
will now calibrate itself automatically.
NOTE: Do not stand on the treadmill when you press
start.
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5
m) After calibrating itself the treadmill will enter “READY
MODE”.
2. VERIFYING CALIBRATION
a) Turn on power.
b) Press “START” and “SLOW” button at the same time.
c) Insert the SAFETY KEY on the monitor to enter the first
step of the verifying mode.
d) SPEED Window should display the incline value of 10,
INCLINE Window should display the wheel size to be 2.30.
e) Press any button to enter next step.
f) SPEED Window should display the maximum speed value
of 12, INCLINE window should display the minimum speed
value is 1.0.
g) Treadmill will now enter the “READY MODE”.
h) If the unit does not have the values listed above, you must
calibrate the treadmill.
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6
TROUBLESHOOTING
WARNING:
ALWAYS UNPLUG THE TREADMILL FROM THE ELECTRICAL
OUTLET BEFORE SERVICING THE UNIT.
1. GENERAL
a) Do a visual check of all wiring and connections looking for
cut wires or loose connections.
b) Make sure any wiring is safely positioned and/or secured
away from moving parts.
c) If you find a fuse blown on a circuit board replace the
circuit board.
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17
7
2. TROUBLESHOOTING
Condition Reason Solve
ON/OFF switch isn’t
bright.
Power cord isn’t plugged into the outlet in the right
position.
Power cord isn’t plugged into the unit.
The voltage of outlet is too low.
Plug on the power cord is defective.
Connecting cable came away.
Breaker tripped.
Breaker is defective.
ON/OFF switch is defective.
Plug the power cord into the outlet.
Plug the power cord into the unit.
Check the voltage of outlet.
Replace power cord.
Check the wire to ensure it is attached.
Press the small red button to reset the
breaker.
Replace breaker.
Replace A.C switch.
With power on, the
treadmill has sound of
blowing.
Varistor is defective on the controller.
Check the voltage of power is 110-
120V.
With the safety key in
position, monitor has no
display.
ON/OFF switch is not on.
Safety key in wrong position.
Computer cable isn’t in the right position on the
monitor.
Turn the ON / OFF Switch to on.
Insert the safety key into the correct
position.
Please check the cable and re-connect
into the monitor.
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Computer cable (12PIN) is defective.
Fuse on the controller is defective.
Controller is defective.
Reed switch is defective.
Monitor is defective.
Replace computer cable.
Replace controller.
Replace controller.
Replace reed switch.
Replace console.
Treadmill displays and
runs without the safety
key.
Reed switch is defective
Monitor is defective.
Different magnet being used on console.
Replace reed switch.
Replace monitor.
Replace magnet with a safety key.
Pressing the “START”,
button, the treadmill does
not start.
Motor M+ or M- wire are not in the correct position
on the controller.
Controller is defective. (No power to motor)
Motor is defective.
Please check to ensure the wires are in
the correct position on the controller.
Replace controller.
Replace motor.
Treadmill stops by itself. House breaker tripped.
Treadmill breaker tripped.
Treadmill controller fuse is blown.
Reset it.
Reset treadmill breaker.
Replace controller.
Treadmill will not stop
after removing the safety
key.
Reed switch is defective.
Monitor is defective
Replace reed switch
Replace monitor.
LED is not bright. LED light is defective. Replace monitor.
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