Filter
Top Products
12 Smart-UPS 2200/3000 VA 100/120/230 VAC Tower User Manual
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 connector is fully engaged.
button not pushed.
Press the button once to power-up the UPS and connected equipment.
The UPS is not connected to utility
power supply.
Check that the power cable from the UPS to the utility power supply is
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.