Lucent Technologies Galaxy 4848/100 - Table 13-A: AC Alarms

Lucent Technologies Galaxy Power System 4848/100
Issue 5 June 2000 Troubleshooting SCF Systems 13 - 3
AC Alarm LED
Table 13-A: AC Alarms
(See Figure 12-8)
Controller
LED
Controller
Alarm
Status
SCF Controller
Display
Other
Indication(s)
Possible
Problem(s)
Possible Solution(s)
AC MIN AC Fail ACF on
rectifiers
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.