Smart-UPS RT 2400/3000 VA Tower/Rack-Mount UPS User Manual 15
Troubleshooting
Service
Always DISCONNECT THE BATTERY before shipping the UPS to be in compliance with U.S.
Department of Transportation (DOT) regulations.
If the UPS requires service do not return it to the dealer. Follow these steps:
1. Review the problems discussed in “Troubleshooting” to eliminate common problems.
2. If the problem persists, contact APC Customer Service through the APC Web site,
www.apc.com.
– Note the model number of the UPS, the serial number, and the date purchased. If you call APC
Customer Service, a technician will ask you to describe the problem and attempt to solve it over the
phone. If this is not possible, the technician will issue a Returned Material Authorization Number
(RMA#).
– If the UPS is under warranty, repairs are free.
– Procedures for servicing or returning products may vary internationally. Refer to the APC Web site,
www.apc.com for country specific instructions.
3. Disconnect the battery for transport. See “Remove all battery modules in the UPS.” on page 12 for
additional information.
4. Pack the UPS and front bezel in its original packaging to avoid damage in transit. If this is not available,
refer to www.apc.com for information about obtaining a new set. Never use Styrofoam beads for
packaging. Damage sustained in transit is not covered under warranty.
5. Mark the RMA# on the outside of the package.
6. Return the UPS by insured, prepaid carrier to the address given to you by Customer Service.
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 connectors are 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.
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 (Refer to “Display Panel Functions” on page 9.)
button not pushed. Press the button once to turn the UPS 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
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