Troubleshooting
Troubleshooting
Use this table 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 |
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UPS will not turn on |
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The battery is not connected properly. | Check that the battery connector is fully engaged. |
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Test button not pushed. | Press the Test button once to |
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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. |
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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. |
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UPS will not turn off |
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The UPS is experiencing an internal | Do not attempt to use the UPS. Unplug the UPS and have it serviced |
fault. | immediately. |
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UPS beeps occasionally |
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Normal UPS operation when running | None: The UPS is protecting the connected equipment. |
on battery. | Press the Test button to silence this alarm. |
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UPS is not providing expected backup time | |
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The UPS battery(s) are weak due to a | Charge the battery(s). Batteries require recharging after extended outages. |
recent power outage or battery(s) are | Batteries can wear faster when put into service often or when operated at |
near the end of their service life. | 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. |
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All LEDs are illuminated and the UPS emits a constant beeping | |
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The UPS is experiencing an internal | Do not attempt to use the UPS. Unplug the UPS and have it serviced |
fault. | immediately. |
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Front panel LEDs flash sequentially |
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The UPS has been shut down remotely | None: The UPS will restart automatically when utility power returns. |
through software or an optional |
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accessory card. |
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All LEDs are off and the UPS is plugged into a wall outlet | |
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The UPS is shut down or the battery is | None: The UPS will restart automatically when utility power is restored and |
discharged from an extended outage. | the battery has a sufficient charge. |
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