GE Industrial Solutions GPS 4812_24 - Manual (Page 97)

Galaxy Power System 4812/24
Issue 9 Januray 2008 Troubleshooting Millennium Systems 13 - 3
AC System 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
System
Minor 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
System
Minor Engine Transfer
Timeout Engine may
have alarm. Remote engine
or connection to
engine has
failed. Call technical support.
AC
System
Minor 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.