Condition

Power

On

Overloa

General

Audible alarm

Can

 

On LED

Battery

d LED

Alarm LED

 

alarm be

 

(green)

LED

(red)

(red)

 

silenced

 

 

(yellow)

 

 

 

("Silencin

 

 

 

 

 

 

g an

 

 

 

 

 

 

audible

 

 

 

 

 

 

alarm"

 

 

 

 

 

 

on page

 

 

 

 

 

 

24)?

 

 

 

 

 

 

 

On battery—Output

Off

Flashing

Off

Flashing

On—Continuous

No

voltage is out of

 

 

 

 

 

 

range

 

 

 

 

 

 

 

 

 

 

 

 

 

On battery—Output

Flashing

Flashing

Off

Flashing

On—Continuous

No

wave is abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

For the location of individual LEDs, see "UPS front panel LED indicators (on page 8)."

UPS does not start

Action:

1.Be sure that the power cord is plugged in to a utility power receptacle.

2.Check the power source at the utility power receptacle.

3.Allow the UPS batteries to charge for 24 hours.

UPS operates on battery only

Action:

1.Save your work.

2.Power down the load devices connected to the UPS output receptacles.

3.Remove one or more load devices to reduce the power requirements.

4.Be sure the UPS configuration matches the utility voltage. Refer to "Selecting the UPS voltage configuration (on page 19)."

UPS frequently switches between utility and battery power

Action:

1.Check the input voltage and reconfigure the UPS ("Selecting the UPS voltage configuration" on page 19).

2.Contact a qualified electrician to verify that the utility power is suitable for the UPS.

UPS does not provide the expected backup time

Action:

Troubleshooting 34

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HP UPS R1500 GENERATION 2 UPS does not start, UPS operates on battery only, UPS does not provide the expected backup time