Lucent Technologies GPS 4812 User Manual

Lucent Technologies Galaxy Power System 4812
Issue 5 June 2000 Troubleshooting Millennium Systems 13 - 3
AC Alarm LED
Table 13-A: AC Alarms
(See Figure 12-8)
Controller
LED
Controller
Alarm
Status
Millennium
Controller Display
Other
Indication(s)
Possible
Problem(s)
Possible Solution(s)
AC MIN AC Fail ACF on
rectifier
display
Rectifier is not
receiving ac
power:
•AC input circuit
breaker has
operated.
•AC input
voltage is out of
range.
•Internal rectifier
failure
1. Verify that ac circuit
breaker is closed; close
circuit breaker if
operated.
2. If the problem is not
corrected, replace the
rectifier.
AC MIN Engine Transfer
Timeout
Engine may
have alarm.
Remote engine
or connection to
engine has
failed.
Call your local RTAC
representative.
AC MIN Phase Alarm PF on
rectifier
display
Phase failure:
•Rectifier high
voltage
shutdown
•External phase
imbalance or
failure
•Internal rectifier
failure
1. Toggle the ON/STBY
switch into the STBY
position and then back
into the ON position.
2. If the problem is not
corrected, replace the
rectifier.

Lucent Technologies GPS 4812 Specifications

General

Brand	Lucent Technologies
Model	GPS 4812
Category	Power Supply
Language	English