Vertiv M830D - Page 69

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[59]
Table 5
Alarm Name
Alarm Description
Action to Correct
Phase B Over Voltage 1
Phase B voltage is above over voltage 1
threshold.
Check why voltage is high.
Phase B Over Voltage 2
Phase B voltage is above over voltage 2
threshold.
Phase B Under Voltage 1
Phase B voltage is below under voltage 1
threshold.
Check why voltage is low.
Phase B Under Voltage 2
Phase B voltage is below under voltage 2
threshold.
Phase C Over Voltage 1
Phase C voltage is above over voltage 1
threshold.
Check why voltage is high.
Phase C Over Voltage 2
Phase C voltage is above over voltage 2
threshold.
Phase C Under Voltage 1
Phase C voltage is below under voltage 1
threshold.
Check why voltage is low.
Phase C Under Voltage 2
Phase C voltage is below under voltage 2
threshold.
Mains Failure
Commercial AC power failure.
Check why no commercial AC power.
Severe Mains Failure
Commercial AC power voltage is too low.
Check why voltage is low.
Mains Failure (Single)
Commercial AC power failure.
Check why no commercial AC power.
Severe Mains Failure (Single)
Commercial AC power voltage is too low.
Check why voltage is low.
SMAC Alarms (SM-AC Module must be present in system)
Supervision Fail
AC monitoring device has failed.
--
High Line Voltage AB
Voltage between Line A and Line B above
high voltage threshold.
Check why voltage is high.
Very High Line Voltage AB
Voltage between Line A and Line B above
very high voltage threshold.
Low Line Voltage AB
Voltage between Line A and Line B below low
voltage threshold.
Check why voltage is low.
Very Low Line Voltage AB
Voltage between Line A and Line B below
very low voltage threshold.
High Line Voltage BC
Voltage between Line B and Line C above
high voltage threshold.
Check why voltage is high.
Very High Line Voltage BC
Voltage between Line B and Line C above
very high voltage threshold.
Low Line Voltage BC
Voltage between Line B and Line C below low
voltage threshold.
Check why voltage is low.
Very Low Line Voltage BC
Voltage between Line B and Line C below
very low voltage threshold.
High Line Voltage CA
Voltage between Line C and Line A above
high voltage threshold.
Check why voltage is high.
Very High Line Voltage CA
Voltage between Line C and Line A above
very high voltage threshold.