Dyaco 1622738 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. 1622738 Treadmill components ................................... 4
B GENERAL INFORMATION................................................. 5
1. Console ......................................................................... 5
2. Main controller.............................................................. 5
3. Treadmill motor ............................................................ 5
4. Incline motor................................................................. 5
Operation................................................................................... 9
A WINDOW DISPLAY MODE ............................................... 9
1. OFF Mode..................................................................... 9
2. READY Mode .............................................................. 9
3. SLEEP Mode ................................................................ 9
4. RUN Mode.................................................................... 9
B FUNCTION ...................................................................... 10
1. SPEED ........................................................................ 10
2. INCLINE..................................................................... 10
3. TIME........................................................................... 10
4. program/laps ............................................................... 11
5. DISTANCE................................................................. 11
6. CALORIES ................................................................. 11
7. PULSE ........................................................................ 11
C FUNCTION BUTTON IN MAIN MODE ............................. 13
1. READY MODE.......................................................... 13
2. RUN MODE ............................................................... 14
D CALIBRATION PROCEDURE ........................................... 16
1. Calibration................................................................... 16

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Troubleshooting ...................................................................... 17
1. General........................................................................ 17
2. Troubleshooting Matrix .............................................. 18
Diagrams and Schematics....................................................... 27
APPENDIX A......................................................................... 32
1. TREADBELT ADJUSTMENT.................................. 32
APPENDIX B ......................................................................... 34
1. TREADMILL LUBRICATION ................................. 34
APPENDIX C ......................................................................... 35
1. RESET SWITCH RESETTING ................................. 35
APPENDIX D......................................................................... 36
1. FUSE REPLACEMENT............................................. 36
APPENDIX E ......................................................................... 37
1. SPEED SENSOR ADJUSTMENT............................. 37
2. SERVICE QUESTIONS............................................. 37

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TABLE OF FIGURES
Figure 1 Operational Flowchart ............................................... 8
Figure 2 Console Layout........................................................ 27
Figure 3 Mechanical Layout .................................................. 28
Figure 4 Main Controller information & voltages................. 29
Figure 5 Function JK1 connector on Main Controller........... 29
Figure 6 Wiring Diagram....................................................... 30
Figure 7Schematic Diagram ................................................. 31
Figure 8If Treadbelt slips...................................................... 32
Figure 9If tread belt shifts too far to the Right ..................... 32
Figure 10If tread belt shifts too far to the Left...................... 33
Figure 11Resetting Reset switch........................................... 35
Figure 12Fuse replacement................................................... 36

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DESCRIPTION
A ELECTRICAL CONFIGURATION
Note: Electrical servicing of this treadmill is limited to board
level replacement.
1. 1622738 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, 0 -220 volts 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 LCD windows Display.
2. MAIN CONTROLLER
a) Contains power supply and control circuits.
3. TREADMILL MOTOR
a) Variable speed 0-110volts DC motor. Have three wires, red,
white and green.
b) If there is DC voltage on the Red wire (M+) the treadmill
motor will turn clockwise.
c) If there is DC voltage on the White wire (M-) the treadmill
motor will turn counter-clockwise.
d) The higher the voltage the faster the motor turns.
e) The Green wire is ground.
4. INCLINE MOTOR
a) Reversing 120 volts AC motor.
b) Have four wires, red, black, white and green.
c) Has one 3 pins cable of position sensor.
d) If there is AC voltage on the Red wire (DOWN) the incline
motor will increase the incline.
e) If there is AC voltage on the Black wire (UP) the incline
motor will decrease the incline.

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f) The White wire (COM) is neutral.
g) The Green wire is ground.

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Figure 1Operational 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
in console, the dot matrix will show “SELECT
PROGRAM”.
b) The LED will light in sequence from manual to H2.
c) Press START button to start treadmill on Manual mode.
3. SLEEP MODE
a) In SLEEP Mode, if “START” 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) Displays the current speed in Kilometer per hour.
b) DISPLAY range is 0.0 to 99.9 km.
c) WORK range is 1.0 to 16.0 km.
d) Press “FAST” or ”SLOW” to adjust speed, each increment
and decrement is 0.1 km.
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 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 setting range is 10:00 to 99:00.
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
and enter “RUN Mode” again that value will continue count
up time.
4. PROGRAM/LAPS
a) Display the total working lap quantity, LAPS and
PROGRAM state display in same window and pressing
“MODE” 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 distance in kilmeter.
b) DISPLAY range is 0.00 to 99.9.
c) WORK range is 0.00 to 99.9.
d) COUNT DOWN setup range is 0.10 to 99.90.
6. CALORIES
a) Displays the cumulative calories burned at any given time
during your workout.
b) DISPLAY range is 0.0 to 999.0.
c) WORK range is 0.0 to 999.0.
d) COUNT DOWN setup range is 1.0 to 999.0.
7. PULSE

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Displays the heart beat by using hand pulse or receiver. If use
receiver, then a chest belt must be worn.
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 display value will become “P”.

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3
C FUNCTION BUTTON IN MAIN MODE
1. READY MODE
a) SAFETY KEY: Put safety key in position to power on the
computer. When safety key is pulled away from its position,
the computer will be automatically shut down.
b) STOP button: Non-function.
c) START button:Press “START”button to start training.
When pressing “START”button, there will be 3 seconds
final count down by a buzzer, then machine starts running.
In MANUAL, treadmill starts at MIN SPEED and treadmill
starts at program preset value in PROGRAM.
d) MODE button: Press “MODE” button to change each
function. MANUAL can set using time, Pre-set PROGRAM
can set using time and speed, Heart Rate Control 1~2 can
set time, age and the value of heart rate. User Program 1~3
can set time, speed and incline. Press “MODE” button for 2
seconds to reset all screen data.
e) Manual button: Press “Manual” button to select manual.
f) Pre-set Program button 1~5 buttons: Press “Pre-set Program
1~5” buttonsto select training in different program profiles.
g) User Program 1~3 buttons: Press “User Program 1~3”
buttonsto select in different User program.
h) Heart Rate Control 1~2 buttons: Press “Heart Rate Control
1~3” button to select in different Heart Rate Program.
i) FAST button: If user doesn’t enter a setting then this button
is non-functional.
j) SLOW button: If user doesn’t enter a setting then this button
is non-functional.

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k) UP button: If user doesn’t enter a setting then this button is
non-functional.
l) DOWN button: If user doesn’t enter a setting then this
button is non-functional.
m) SPEED RAPID button: Non-function.
n) INCLINE RAPID button: Non-function.
2. RUN MODE
a) SAFETY KEY:When safety key is pulled away from its
position, the computer will be automatically shut down.
b) STOP button: press “STOP” button to stop treadmill.
c) START button: non-functional.
d) MODE button: Exchange display between LAPS and
operation mode.
e) Manual button: non-function.
f) Pre-set Program button 1~5 buttons: non-function.
g) User Program 1~3 buttons: non-function.
h) Heart Rate Control 1~2 buttons: non-function.
i) FAST button: Press the button to increase your speed and
each increase is 0.1 kph. If button is pressed continuously
then speed increases to MAX SPEED quickly.
j) SLOW button: Press the button to decrease your speed and
each decrease is 0.1kph. If button is pressed continuously
then speed decreases to MIN SPEED quickly.
k) UP button: Press the button to raise position and each
increase is 1, the minimum incline position is 10.

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l) DOWN button: Press the button to raise position and each
increase is 1, the minimum incline position is 0.
m) SPEED RAPID button: Speed will set to 3 kph, 5 kph, 7 kph,
9 kph, and 11 kph quickly.
n) INCLINE RAPID button: Incline will set to 2, 4, 6, 8, 10
position quickly.

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D CALIBRATION PROCEDURE
1. CALIBRATION
a) Turn on power.
b) Press and hold “START” and “MODE” button at the same
time.
c) Inserts the SAFETY KEY on console, all windows will
appear blank.
d) Km/Mile Mode: Press “STOP”button to exchange to
Kilometer Mode in SPEED window and the value is km.
e) Set wheel size: Press “FAST” or “SLOW” button to adjust
SPEED window to 2.3.
f) Press “START”button to memorize above setting and enter
next section of setting mode.
g) Set Min. speed: Press “FAST”or “SLOW”button to adjust
SPEED window to 1.0.
h) Press “START”button to memorize above setting and enter
next section of setting mode.
i) Set high speed: Press “FAST”or “SLOW”button to adjust
SPEED window to 16.0.
j) Set high incline position: Press “UP”or “DOWN”button to
adjust INCLINE window to 10.
k) Press “START”button to memorize all value, the treadmill
will calibrate automatically.
l) After calibrating, treadmill will reset then enter “READY
MODE”.

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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
chafed wires or lose 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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2. TROUBLESHOOTING MATRIX
Condition
Reason
Solve
When turn on power,
ON/OFF switch isn’t lit.
1 Power cord isn’t plugged into outlet.
2 Power cord isn’t plug into unit.
3 The voltage of outlet is too low.
4 Plug or connector of power cord is open.
5 Connector of power cord is broken.
6 Connecting cable disconnected.
7 Breaker tripped.
8 Breaker is broken.
9 ON/OFF switch is broken.
1 Plug the power cord into outlet.
2 Plug the power cord into unit.
3 Check the voltage of outlet.
4 Replace power cord.
5 Replace power cord.
6 Check if wire is disconnected, connect
it again.
7 Press the small red button to return to
original status.
8 Replace breaker.
9 Replace A.C switch.
After turning on power,
treadmill has a popping
sound.
1 Incorrect input power, varistor is blown broken
on controller.
1 Check the voltage of power is 120V.
Replace controller.
When insert safe key, no
display on monitor.
1 Haven’t switch ON/OFF switch.
2 Insert the Safe key on wrong position.
3 12PIN Computer connector not plugged in
properly.
1 Switch the A.C switch.
2 Insert the safe key on right position.
3 Please check the wire and connect
again.