The outlet should be near the equipment and easily accessible. 990-2994B Copyright 2007 American Power Conversion Corp. All other trademarks are property of their respective owners. Troubleshooting Use the table below to solve minor Back-UPS installation or operation problems. Consult APC Online Technical Support or call APC Technical Support for assistance with problems that cannot be resolved using the table below: Problem Probable Cause Solution Back-UPS will not turn on. No power at the Surg

3. The Back-UPS will then indicate the current sensitivity, as shown in the Transfer Voltage and Sensitivity Adjustment table below. 4. To select the LOW sensitivity setting, press the ON/OFF push button until the LED begins flashing GREEN. 5. To select the MEDIUM sensitivity setting, press the ON/OFF push button until the LED begins flashing RED. 6. To select the HIGH sensitivity setting, press the ON/OFF push button until the LED begins flashing AMBER. 7. To exit Programming mode, once sensiti