Repairing The Ups - Compaq Pro UPS 500 Operation And Reference Manual

6-4 Compaq Pro UPS 500 Operation and Reference Guide

Repairing the UPS

Table 6-2
Troubleshooting Guide (After Start)
Symptom
Indicators: Battery-protected devices are
UPS LOAD loaded to the maximum UPS
(flashing) power rating.
ON BATTERY
(continuous)
Alarm:
1 per 10
seconds (can
be silenced)
Output:
available
Indicators: Battery voltage is low, but line
LINE STATUS power is present and the battery is
charging.
BATTERY
LOW/REPLACE
Alarm:
none
Indicators: Battery has failed a UPS self-test,
LINE STATUS indicating low voltage or a weak
battery.
BATTERY
LOW/REPLACE
(flashing)
Alarm:
1 per 10
seconds (can
be silenced)
The UPS has no user-serviceable parts. All repairs to the UPS, including
battery replacement, must be carried out by Compaq or a Compaq authorized
service provider.
continued
Possible Cause Suggested Action
Reduce load on UPS as quickly
as possible until indicators
extinguish.
No action is required.
1. Press TEST/ALARM RESET
button to silence alarm.
2. Allow battery to charge for
12 hours, then initiate a
second self-test. If
BATTERY LOW/REPLACE
indicator illuminates again,
arrange for battery
replacement.