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16 Smart-UPS XL 3U Rack Mount 2200/3000 VA 120/230 Vac; 3000 VA 100/200 Vac User Manual
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
UPS will not turn on
The battery is not connected properly. Check that the battery connector is fully engaged.
Test button not pushed. Press the Test 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 Test 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.