Troubleshooting
This section describes possible causes and solutions for the following problems:
•Unit will not turn on.
•WIRING OK indicator LED is not illuminated.
Unit will not turn on
Probable Cause: | Input power cord is not connected properly. |
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Solution: | Ensure the supplied power cord is connected |
| securely at both ends. |
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Probable Cause: | No power or insufficient power at wall outlet. |
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Solution: | Ensure the wall outlet has good power by |
| checking it with a voltmeter, or by plugging in |
| a known good device. |
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Note: The unit will not turn on and accept incoming utility power if the power is outside the acceptable range.
Probable Cause: | Circuit breaker has tripped. |
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Solution: | Check both your home and C3 circuit breakers. |
| If the circuit breaker located on the rear of the |
| C3 has tripped, the center post will be extended |
| outward 1/4 to 1/3 inch. Push it back in to reset |
| it. If it trips again, unplug some of the equip- |
| ment plugged into the unit, and try again. The |
| unit’s breaker is rated for 15 Amps; however, |
| the National Electric Code (NEC) dictates that |
| any home circuit should not be loaded more |
| than 80% of its rating. |
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Note: If the problem is not resolved, contact APC Technical Support at
Probable Cause: | Unit is overloaded. |
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Solution: | If the Overload LED is illuminated, we recom- |
| mend that the load be reduced by unplugging |
| the connected devices on at a time. |
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