NE-M Installation Guide
H5692448
850050111
Issue 03 August 2017
71
Troubleshooting
System
Pulsar Controller Status
Display
Millennium Controller
Status Display
Rect/
Conv
LEDs
Dist.
Module
LED
Possible Problem(s)
Possible Solution(s)
No Alarms
Norm
green
green
Normal Operation
MIN AC Fail
ACF
amber
(one
Unit)
green
•
Single rectifier not receiving AC
power.
•
ac input circuit breaker has
opened.
•
ac input voltage is out of range.
1. Verify rectifier input circuit breaker is closed.
2. Verify AC power to rectifier is available and in range.
3. If problem not corrected, replace rectifier.
Norm
green
green
A rectifier has been removed from
the system while it is unpowered.
Issue the
Menu > Control / Operations > Uninstall Equipment
command for any rectifier that was removed while unpowered.
MAJ Multiple AC Fail
ACF
amber
(Multiple
Units)
green
•
Multiple rectifiers not receiving
AC power.
•
ac input circuit breakers have
opened.
•
ac input voltage is out of range.
1. Verify rectifier input circuit breakers are closed.
2. Verify AC power to rectifiers is available and in range.
3. If problem not corrected, replace rectifiers.
Norm
green
green
One or more rectifiers have been
removed from the system while it is
unpowered.
Issue the
Menu > Control / Operations > Uninstall Equipment
command for any rectifier that was removed while unpowered.
Display green
green green green
BD AC DC
Normal
green
`green amber green
-54.48
V1
1000A
FLOAT
Display Amber
BD AC DC
Minor
AC System
amber
amber
-54.48
V1
1000A
FLOAT
BD AC DC
green red green
Display Red
Minor
AC System
red
amber