Troubleshooting
Use this chart to solve minor UPS installation and operation problems. Refer to www.apc.com for assistance with complex UPS problems.
Problem and/or Possible Cause
Solution
UPS will not turn on
The battery is not connected properly. | Check that the battery connector is fully engaged. | |
button not pushed. | Press the | button once to |
The UPS is not connected to utility | Check that the power cable from the UPS to the utility power supply is | |
power supply. | securely connected at both ends. | |
Very low or no utility voltage | Check the utility power supply to the UPS by plugging in a table lamp. If the | |
| light is very dim, have the utility voltage checked. | |
UPS will not turn off |
|
|
The UPS is experiencing an internal fault
Do not attempt to use the UPS. Unplug the UPS and have it serviced immediately.
UPS beeps occasionally
Normal UPS operation when running on battery.
None: The UPS is protecting the connected equipment. Press the | button |
to silence this alarm. |
|
UPS is not providing expected backup time
The UPS battery(s) are weak due to a recent power outage or battery(s) are near the end of their service life.
Charge the battery(s). Batteries require recharging after extended outages. Batteries can wear faster when put into service often or when operated at elevated temperatures. If the battery(s) are near the end of their service life, consider replacing the battery(s) even if the replace battery LED is not yet illuminated.
All LEDs are illuminated and the UPS emits a constant beeping
The UPS is experiencing an internal fault.
Do not attempt to use the UPS. Unplug the UPS and have it serviced immediately.
Front panel 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 returns.
All LEDs are off and the UPS is plugged into a wall outlet
The UPS is shut down or the battery is discharged from an extended outage.
None: The UPS will restart automatically when utility power is restored and the battery has a sufficient charge.
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