Dyaco 1622738, 1612708 Service 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 7 Schematic Diagram ................................................. 31
Figure 8 If Treadbelt slips...................................................... 32
Figure 9 If tread belt shifts too far to the Right ..................... 32
Figure 10 If tread belt shifts too far to the Left...................... 33
Figure 11 Resetting Reset switch........................................... 35
Figure 12 Fuse 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 0-110 volts 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 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
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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