Vertiv 581126000, User Manual

Page: 45 / 208

Vertiv
| +24 VDC Power System User Manual (Section 6013) | Rev. G
45
Table 1:
MCA Controls and Indicators (cont'd from previous page)
MINOR(Indicator)
Illuminates red if any condition listed below occurs.
•
Rectifier Module fail alarm activates on any single Rectifier Module
(except MCA Configuration Spec. No. 534877) or on any Rectifier
Module (MCA Configuration Spec. No. 534877 only).
•
One low voltage disconnect circuit in a redundant pair activates (if
LVD installed).
•
If the system or subsystem over current alarm activates.
•
Subsystem minor alarm activates.
•
Battery Charge Current Alarm
•
Battery Current Limit Inhibited Alarm
•
One of the following causes an MCA failure:
MCA "sense" fuse open.
No sense voltage detected.
Bad shunt type detected.
Shunt communications lost.
Remote communications lost.
Display communications lost.
LVD maintenance inhibit switch is activated (if LVD installed).
AC
(Indicator)
Illuminates green if AC input voltage to all Rectifier Modules is greater than
the preset non-adjustable low AC input voltage inhibit and less than the
preset non-adjustable high AC input voltage inhibit. Illuminates red if AC
input voltage to any Rectifier Module decreases below or increases above
the respective inhibit value.
TEST/EQ
(Indicator)
Illuminates yellow when the system is placed in the test/equalize mode,
locally or remotely.