Lucent Technologies Lineage
®
 2000 ECS-12U Controller J85501E-2
6 - 2  Operation   Issue 3  July 1998
6. MJF indicator    Red LED, when lit, indicates an 
overcurrent protector on a critical 
circuit has operated. Such 
protectors include load circuit 
breakers/fuses, some controller 
fuses, and may also include 
auxiliary devices such as battery 
disconnects. This is a MAJOR 
alarm condition.
7. RFA indicator      Yellow LED, when lit, indicates 
one or more rectifiers have failed 
for reasons other than loss of 
input ac power. This is a MINOR 
alarm condition.
8. µP indicator     Yellow LED lights under certain 
conditions dictated by the CP2 
microprocessor board to indicate 
a microprocessor alarm.
9. DLA indicator Yellow Datalogger Alarm LED 
lights as an alarm indication 
whenever an alarm exists on one 
of the data channels on CP3.
10. EQ indicator     Yellow LED, when lit, indicates 
that plant is in equalize charge 
mode. This is not an alarm 
condition.
11. MNF indicator      Yellow LED, when lit, indicates 
that a non-critical overcurrent 
protector has operated. Such 
protectors include some controller 
fuses and may also include battery 
disconnect circuit breakers. This 
is a MINOR alarm condition.
12. NORM indicator      Green LED is lit whenever there 
are no alarms present, to indicate 
normal operation. The only other 
LED that may be lit when the 
NORM LED is lit is the EQ 
indicator.