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 to turn on the UPS. |
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The UPS is not connected to utility | Ensure that the power cable is securely connected to the unit and to the utility |
power. | power supply. |
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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. |
The UPS is operating on battery, while connected to input utility power
There is very high, very low, or distorted input line voltage or frequency.
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 sensitivity.
Test the utility input power to ensure the unit is receiving input power.
UPS emits an audible beeping sound at long intervals
The UPS is in normal operation.
The UPS is protecting the connected equipment. See the display interface to view the status of the UPS.
UPS does not provide expected backup time
The UPS battery is weak due to a recent outage or is near the end of its service life.
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 battery is near the end of its service life, consider replacing the battery even if the replace battery indicator is not yet illuminated.
The UPS is overloaded.Check the UPS load display. Unplug unnecessary equipment, such as printers.
The Fault indicator is lit and 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 indicator is illuminated
The battery has a weak charge.
Allow the battery to recharge for at least four hours. Then, perform a
The replacement battery is not properly | Ensure that the battery connector is securely connected. |
connected. |
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The display interface has 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 Low Voltage (120 V) units only.)
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