American Power Conversion RT 1000/2000 user manual Troubleshooting

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TROUBLESHOOTING

Use the chart below to solve minor UPS installation problems. Refer to the APC web site www.apc.com for assistance with complex UPS problems.

PROBLEM AND POSSIBLE CAUSE

SOLUTION

UPS WILL NOT TURN ON

 

ON button not pushed.

Press the ON button once to power the UPS and the equipment.

UPS not connected to power supply.

Check that the power cable from the UPS to the utility power supply is

 

securely connected.

UPS input circuit breaker tripped.

Reduce the load on the UPS by unplugging equipment and resetting the

 

circuit breaker (on the back of UPS) by pressing the plunger in.

Very low or no utility voltage.

Check the AC power supply to the UPS by plugging in a table lamp. If the

 

light is very dim, have the utility voltage checked.

Battery not connected properly.

Check that the battery connector is fully engaged.

 

 

UPS OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE EXISTS

UPS input circuit breaker tripped.

Reduce the load on the UPS by unplugging equipment and resetting the

 

circuit breaker (on the back of UPS) by pressing the plunger in.

Very high, low, or distorted line voltage.

Move the UPS to a different outlet on a different circuit. Test the input

Inexpensive fuel powered generators can

voltage with the utility voltage display.

distort the voltage.

 

 

 

BYPASS LED IS LIT, THE OVERLOAD LED IS LIT, AND THE FAULT LED IS LIT

Too many loads have been connected to the

Remove all nonessential loads. Push the ON button to restore power.

UPS.

 

 

 

External overload condition.

Wait until overload condition passes. You may need to push the ON button

 

to reset the UPS.

 

 

FAULT LED IS LIT, THE OVERLOAD LED IS LIT, AND THE BYPASS LED IS NOT LIT

Overload condition.

Remove all nonessential loads. Push the OFF button, then the ON button to

 

restore power.

 

 

FAULT LED IS LIT AND THE OVERLOAD LED IS NOT LIT

Internal UPS fault.

Do not attempt to use the UPS. Turn the UPS off and have it serviced im-

 

mediately.

 

 

REPLACE BATTERY LED IS LIT

 

Weak battery.

Allow the battery to recharge for at least twenty four hours. Then, perform a

 

self-test. If the problem persists after recharging, replace the battery.

Battery not connected properly.

Check that the battery connector is fully engaged.

 

 

UPS BEEPS OCCASIONALLY

 

Normal UPS operation.

None. The UPS is protecting the connected equipment.

 

 

UPS DOES NOT PROVIDE EXPECTED BACKUP TIME

Batteries are weak due to recent outage or

Charge the batteries. Batteries require recharging after extended outages.

are near end of service life.

They wear faster when put into service often or when operated at elevated

 

temperatures. If the battery pack is near the end of its service life, consider

 

replacing it even if the Replace Battery LED is not yet lit.

 

 

FRONT PANEL INDICATORS FLASH SEQUENTIALLY

UPS was shut down remotely.

None. The UPS will restart automatically when utility power returns.

 

 

990-1060B 12/2005

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Contents APC Smart-UPSRT Page Safety Information Deenergizing Safety Installation Installation Connect the Battery Turn on the UPS Operation Power Cold Start Online Utility Voltage Battery Power Computer Inter Face Port Tvss Screw On Battery Operation Terminal Mode TRANSPORT, MAINTENANCE, and Troubleshooting Replacing the Battery Pack Troubleshooting Mark the RMA# on the outside of the package CONTACT, REGULATORY, and Warranty Information Limited Warranty