APC SUA500PDR-S Installation Guide download pdf (Page 9)

Troubleshooting

Use this chart to solve minor installation and operation 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 Test

button once to power-up the UPS and connected equipment.

The UPS is not connected to AC power

supply.

Check that the UPS is properly connected to AC power.

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.

Left half, Right half, or Center section of front panel is flashing

The UPS is experiencing an internal

fault.

Do not attempt to use the UPS. Unplug the UPS and have it serviced

immediately.

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 AC power returns.

Test

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APC SUA500PDR-S Installation Guide Page 9

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