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 key once to turn on the UPS. | |
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The UPS is not connected to utility power. | Be sure the power cable is securely connected to the unit and to the utility power | |
supply. | ||
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The input circuit breaker has tripped. | Reduce the load on the UPS. Disconnect nonessential equipment and reset the circuit | |
breaker. | ||
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The unit shows very low or no input utility | Check the utility power supply to the UPS by plugging in a table lamp. If the light is | |
voltage. | 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 on the UPS. Disconnect nonessential equipment and reset the circuit | |
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| 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, reduce the UPS | ||
distorted input line voltage. | ||
sensitivity. | ||
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UPS is emits intermittent beeps |
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The UPS is operating normally.
None. The UPS is protecting the connected equipment.
UPS does not provide expected backup time
The UPS battery is weak due to a | Charge the battery. Batteries require recharging after extended outages and wear out | |
faster when put into service often or when operated at elevated temperatures. If the | ||
recent power outage or is near the end | ||
battery is near the end of its service life, consider replacing the battery even if the | ||
of its service life. | ||
replace battery indicator has not illuminated. | ||
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The UPS is experiencing an overload | Check the UPS load display. Unplug unnecessary equipment, such as printers. | |
condition. | ||
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Display interface LEDs flash sequentially
The UPS has been shut down remotely through software or an optional accessory card.
None. The UPS will restart automatically when utility power is restored.
The Fault LED is illuminated
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.
The Replace Battery LED is illuminated and the UPS beeps for one minute every five hours
The battery has a weak charge.
Allow the battery to recharge for at least four hours. Then, perform a
The Replace Battery LED is flashing and the UPS beeps once every 2 seconds
The replacement battery is not properly connected.
Be sure that the battery connector is securely connected.
The UPS displays a site wiring fault message
Wiring faults detected include missing ground,
If the UPS indicates a site wiring fault, have a qualified electrician inspect the building wiring. (Applicable for 120 V units only.)
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