FAQ

What are the basic troubleshooting steps for the Back-UPS ES

model BE425M/BE425M-LM, BN450M/BN450M-CA?

Issue:

What are the basic troubleshooting steps for the Back-UPS ES model BE425M/BE425M-LM,

BN450M/BN450M-CA?

Product Line:

APC Back-UPS ES,

Environment:

BE425M, BE425M-LM, BN450M, BN450M-CA

Cause:

During normal operation, you may find your UPS not functioning as expected. This may be due to a

malfunction, configuration issue, or the install environment.

This document will assist you with basic troubleshooting steps.

Resolution:

Problem and Possible Cause

Solution

The Back-UPS will not turn on

The Back-UPS has not been turned on.

Press the POWER ON button.

The Back-UPS is not connected to AC

power, there is no AC power available

at the wall outlet, or the AC power is

experiencing a brownout or over

voltage condition.

Make sure the power cord is securely connected to the wall outlet, and

that there is AC power available from the wall outlet.Where applicable,

check that the wall outlet is switched on.

The Back-UPS is on, the POWER button alternated green-red and the unit emits a constant tone

PAGE 1
What are the basic troubleshooting steps for the Back-UPS ES model BE425M/BE425M-LM, BN450M/BN450M-CA? Issue: What are the basic troubleshooting steps for the Back-UPS ES model BE425M/BE425M-LM, BN450M/BN450M-CA? Product Line: APC Back-UPS ES, Environment: BE425M, BE425M-LM, BN450M, BN450M-CA Cause: During normal operation, you may find your UPS not functioning as expected. This may be due to a malfunction, configuration issue, or the install environment.
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• The battery is disconnected. • The battery is near the end of useful life and should be replaced. • Remove AC power and refer to the section “Connect the Battery” on page 2. • Refer to the section “Battery Replacement” on page 8 for details. Connected equipment loses power A Back-UPS overload condition has occurred. Remove all nonessential equipment connected to the outlets. One at a time reconnect equipment to the Back-UPS. Charge the battery for 24 hours to make sure it is fully charged.
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The Building Wiring Fault LED illuminates The building wiring presents a shock hazard that must be corrected by a qualified electrical. Do not operate the Back-UPS. Call a qualified electrician to correct the building wiring fault. The Back-UPS has an inadequate battery runtime • The battery is not fully charged. • The battery is near the end of useful life and should be replaced. Leave the Back-UPS connected to AC power for eight hours while the battery charges to full capacity.