Troubleshooting Matrix - ProForm XT90-NT23 Service Manual

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2.

TROUBLESHOOTING MATRIX

Condition
Reason
When turn on power,
1 Power cord isn't plugged into outlet.
ON/OFF switch isn't lit.
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.
After turning on power,
1 Incorrect input power, varistor is blown broken on controller.
treadmill has a popping
sound.
1 Haven't switch ON/OFF switch.
When insert safe key, no
2 Insert the Safe key on wrong position.
display on monitor.
3 12PIN Computer connector not plugged in properly.
4 12PIN computer cable is broken.
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Solve
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.
1 Check the voltage of power is 110-
120V. Replace controller.
1 Switch the A.C switch.
2 Insert the safe key on right position.
3 Please check the wire and connect
again.

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