Troubleshooting
Troubleshooting
Use this chart to solve minor UPS installation and operation problems. Refer to www.apc.com 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 connectors are 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 (Refer to “Display Panel Functions” on page 7.)
button not pushed. | Press the | button once to turn the UPS off. |
The UPS is experiencing an internal | Do not attempt to use the UPS. Unplug the UPS and have it serviced | |
fault. | 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 is weak due to a recent power outage or battery is near the end of its service life.
Charge the battery. Batteries require recharging after extended outages. Batteries can wear faster when put into service often or when operated at elevated temperatures. If the battery is near the end of its service life, con- sider replacing the battery even if the replace battery LED is not yet illu- minated.
All LEDs are illuminated and the UPS emits a constant beeping (Refer to “Display Panel Indicators” on page 6.)
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 (Refer to “Display Panel Indicators” on page 6.)
The UPS has been shut down remotely through software or an optional acces- sory card.
None: The UPS will restart automatically when utility power returns.
All LEDs are off and the UPS is plugged into a wall outlet (Refer to “Display Panel Indicators” on page 6.)
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 or
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