Troubleshooting
Problem and Possible Cause | Solution | |
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The UPS will not turn on or there is no output | ||
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The unit has not been turned on. | Press the ON button once to turn on the UPS. | |
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The UPS is not connected to utility | Be sure that the power cable is securely connected to the unit and to the utility | |
power. | power supply. | |
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The input circuit breaker has tripped. | Reduce the load to the UPS, disconnect nonessential equipment and reset the | |
circuit breaker. | ||
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The unit shows very low or no input | Check the utility power supply to the UPS by plugging in a table lamp. If the | |
utility voltage. | light is very dim, check the utility voltage. | |
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The battery connector plug is not | Be sure that all battery connections are secure. | |
securely connected. | ||
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There is an internal UPS fault. | Do not attempt to use the UPS. Unplug the UPS and have it serviced | |
immediately. | ||
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The UPS is operating on battery, while connected to utility power | ||
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The input circuit breaker has tripped. | Reduce the load to the UPS, disconnect nonessential equipment and reset the | |
circuit breaker. | ||
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There is very high, very low, or | Move the UPS to a different outlet on a different circuit. Test the input voltage | |
with the utility voltage display. If acceptable to the connected equipment, | ||
distorted input line voltage. | ||
reduce the UPS sensitivity. | ||
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UPS is emits intermittent beeps |
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The UPS is in normal operation. | None. The UPS is protecting the connected equipment. | |
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UPS does not provide expected backup time | ||
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| Charge the battery. Batteries require recharging after extended outages and | |
The UPS battery is weak due to a | wear out faster when put into service often or when operated at elevated | |
recent outage or is near the end | temperatures. If the battery is near the end of its service life, consider | |
of its service life. | replacing the battery even if the replace battery indicator is not yet | |
| illuminated. | |
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The UPS is overloaded. | Check the UPS load display. Unplug unnecessary equipment, such as printers. | |
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Display interface LEDs flash sequentially | ||
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The UPS has been shut down remotely | None. The UPS will restart automatically when utility power is restored. | |
through software or an optional accessory |
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card. |
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The Site Wiring Fault LED illuminates
The UPS displays a fault message and emits a constant beeping sound
Internal UPS fault. | Do not attempt to use the UPS. Turn the UPS off and have it serviced | |
immediately. | ||
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