Troubleshooting

Table 5-1: Troubleshooting continued

Symptom

 

 

Possible Cause

Suggested Action

The Utility LED (

) is

The utility input voltage is above

No action is required. When the utility

red.

 

 

 

the normal range and the UPS

input voltage returns to normal, the

 

 

 

 

 

 

 

 

is in Buck mode.

UPS will return to normal.

 

 

 

 

 

 

 

 

The Utility LED (

) is

The utility input voltage is below

No action is required. When the utility

flashing red and solid

the normal range and the UPS

input voltage returns to normal, the

green.

 

 

 

is in Single Boost mode.

UPS will return to normal.

 

 

 

 

 

 

 

 

The Utility LED (

) is

The utility input voltage is below

No action is required. When the utility

flashing green and

 

the normal range and the UPS

input voltage returns to normal, the

solid red.

 

 

is in Double Boost mode.

UPS will return to normal.

 

 

 

 

 

 

 

 

The Utility LED (

) is

The utility input voltage is

If this condition exists for an extended

red, the On Battery

outside the +20% to –30%

period of time, the configuration may

LED (

 

 

 

 

) is flashing

nominal range.

need to be changed to be consistent

 

 

 

 

 

 

 

 

red, and an audible

 

with the utility voltage level. The UPS

alarm sounds.

 

 

 

is in battery mode. Save your current

 

 

 

 

 

 

 

 

 

work and prepare to power down the

 

 

 

 

 

 

 

 

 

equipment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contact a qualified electrician to verify

 

 

 

 

 

 

 

 

 

that the utility power is suitable for the

 

 

 

 

 

 

 

 

 

UPS.

 

 

 

 

 

 

 

 

The Utility LED (

) is

There is a UPS overload while

Power the loads down, and then power

green, the General

online.

the UPS down. Reduce the amount of

Alarm LED (

) is

 

 

load on the UPS and restart the UPS

flashing red, the

 

 

and the loads.

Overload LED is red,

 

If the load is not exceeding the

and an audible alarm

 

 

capacity of the UPS, contact an

sounds.

 

 

 

 

 

 

 

 

authorized service representative.

 

 

 

 

 

 

 

 

 

 

 

 

 

The Utility LED (

) is

The battery voltage failed a

Allow the UPS to charge the batteries

green, the General

self-test.

for 24 hours. Initiate a self-test. If the

Alarm LED (

) is

 

 

LEDs remain illuminated, replace the

red, and the Bad

 

 

batteries.

Battery/Low Battery

 

 

LED (

 

 

 

 

) is flashing

 

 

 

 

 

 

 

 

red.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Utility LED () and the On Battery LED () are flashing red.

The utility voltage is too high or

The utility voltage is higher or lower

too low.

than the UPS operating range. The

 

UPS switches to battery power. If this

 

happens repeatedly, update the

 

configuration.

 

 

 

Contact a qualified electrician to verify

 

that the utility power is suitable for the

 

UPS.

 

 

The utility frequency is out of

Contact a qualified electrician to verify

tolerance.

that the utility power is suitable for the

 

UPS.

continued

5-2

HP Uninterruptible Power System R1500 XR Models User Guide

Page 37
Image 37
HP Uninterruaptible Power System R1500 XR Models 217823-002 manual Troubleshooting