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Vertiv
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+24 VDC Power System User Manual (Section 6013)
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Rev. G
24
MCA
Menu
Tree
Line No.
(Section
6022)
Message Displayed
Associated
with...
Definition
Can this value
be changed?
33
NO SENSE VOLTS
or
SENSE VOLT ERROR
MCA
Alarm Menu
Displays if no sense voltage
detected, or an error is detected
between the system voltage and
sense voltage values or between
these values and the temperature
compensation setting.
No
34
SHUNT** NO REPLY
or
SHUNT** BAD TYPE
MCA
Alarm Menu
Displays if bad shunt type detected
or shunt communications lost.
** = the designation of the shunt.
No
34A
BAT CL INHIBITED
MCA
Alarm Menu
Displays if battery recharge current
exceeds Battery Recharge Current
Limit setting because the Limit
feature is inhibited due to:
•
Shunt Type alarms are present,
or
•
Shunt No Reply alarms are
present, or
•
a =10% of system capacity
mismatch between the Rectifier
Module (PCU) output current
and the sum of the system and
battery shunt currents is present.
No
35
LVD** NO REPLY
or
LVD** EPROM FAIL
or
LVD** A/D FAILED
or
LVD** RELAY FAIL
or
LVD** NO MCA CMD
MCA
Alarm Menu
Displays if low voltage disconnect
communications lost, a low voltage
disconnect circuit card failed, or low
voltage disconnect communications
link to MCA broken.
** = the designation of the LVD
circuit.
No
36
LVDs INHIBITED
MCA
Alarm Menu
Displays if the low voltage
disconnect circuits are manually
inhibited.
No
37
REMOTE NO REPLY
MCA
Alarm Menu
Displays if remote communications
lost.
No
38
DISPLAY NO REPLY
MCA
Alarm Menu
Displays if the display
communications lost.
No