Dyaco CT 900 LED, Service Manual

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8. Error Messages / Troubleshooting
Condition Reason Solution
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.
7Press the small red button to return to original status.
8 Replace breaker.
9 Replace AC switch.
After turning on power, treadmill has a popping sound. Incorrect input power, varistor is blown
broken on controller.
Check the voltage of power is 220V. Replace controller.
When insert safe key, no display on monitor.
1 ON/OFF switch does not work.
2 Insert Safety key on wrong position.
3 Console connector not plugged-in properly
4 Console cable is broken.
5 Fuse on controller is blown.
6 Varistor on controller is blown.
7 Safety device is broken. (open)
8 Other components are faulty.
1Switch the AC switch.
2 Insert the safe key on right position.
3 Please check the wire and connect again.
4 Replace console cable.
5 Replace fuse or controller.
6 Replace varistor or controller.
7 Replace safety key device.
8 Replace console.
With no safe key but treadmill could display or operate Safety device is broken. (short)
Replace the safety key device or console.
When press “START”, treadmill doesn’t start. 1 Motor wire isn’t connected into right position.
2 Motor is broken.
3 Treadmill controller shut down and LED
ON.
1 Please check and plug again.
2 Replace motor or check the wire and connector if it was
broken.
3 Turn off the AC switch and turn on power again.
Treadmill stops or shuts off by itself. 1 House breaker tripped.
2 Treadmill breaker tripped.
3 Treadmill controller fuse is broken.
4 Treadmill controller shut down,LED ON.
1 Reset it.
2 Reset treadmill breaker.
3 Replace with new fuse
4 Turn off the AC switch and turn on power again.
After removing safe key, treadmill can’t stop. 1. The safety key device is broken. 1. Replace with new safety key device.
LED not bright, incomplete or imperfect. 1 LED light is broken.
2 Power to console too low.
1 Replace with new LED or console.
2 Check AC power is 220V and check power to console.
3 Replace lower controller.
LED displays not bright, incomplete or imperfect. 1. LED displays are broken. 1. Replace with new console.