Dyaco 78556, Service Manual, Page: 98 / 123

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6. Error Messages / Troubleshooting
When press “START” button, running belt does not
run and window displays “LS1/LOW SPEED” error
message after 10 seconds.
1. Controller shut down; Shut_ DOWN
light will be always bright.
2. AC Motor wires (U or V or W) aren’t
plugged into controller.
3. Computer cables not connected properly.
4. Computer cables are broken or damaged.
5. Motor belt is broken.
6. Controller is broken.
7. AC Motor is broken.
8. Console is broken.
1. Turn off power and reset the treadmill.
2. Re-connect wires.
3. Plug the wire again on controller, connector and console.
4. Replace with new wires.
5. Replace with new motor belt.
6. Replace with new controller.
7. Replace with new AC motor.
8. Replace with new console.
The incline position or speed doesn’t match console
display
1 Console is not calibrated. 1 Calibrate the console.
INCLINE ERR ,INCLINE window displays “INCLINE
ERR”.
1 Position sensor value of incline motor is
wrong.
1 Turn off the AC switch and turn on power again.
2. Calibrate the monitor.
After pressing “START” button, the treadmill stops
immediately.
Controller is broken. 1 Turn off the AC switch and turn on power again.
2 Replace controller and calibrate it.
Erratic pulse display. 1 Another chest belt in use around treadmill.
2 Other magnetic field disturbance.
3 Receiver is broken.
1 Check for other chest belt use around treadmill.
2 Change the position or direction of treadmill.
3 Replace with new receiver.
FAST/SLOW button of SPEED ADJUSTMENT
SWITCH can’t be used.
Speed button just can press FAST, can’t press SLOW.
Speed button just can press SLOW, can’t press FAST.
1 The connector of SPEED CABLE and
CONSOLE not connected properly.
2 The connector of SPEED CABLE and
SPEED ADJUSTMENT SWITCH
W/CABLE not connected properly.
3 The connector of SPEED CABLE or
SPEED ADJUSTMENT SWITCH/W/CABLE
is damaged.
4 SPEED ADJUSTMENT SWITCHbroken.
5 The connector of SPEED CABLE or
SPEED ADJUSTMENT
SWITCH/W/CABLE is damaged.
6 The connector of SPEED CABLE or
SPEED ADJUSTMENT
SWITCH/W/CABLE is damaged.
1 Connect cables again.
2 Connect cables again.
3 Connect cable again.
4 Replace with new buttons.
5 Replace with new cable.
6 Replace with new cable.