Vertiv Netsure - Page 78

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[68]
Table 5
Alarm Name
Alarm Description
Action to Correct
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.
High Frequency
Commercial AC power has high frequency.
--
Low Frequency
Commercial AC power has low frequency.
--
High Temperature
AC input temperature sensor sensing high
temperature condition.
--
Low Temperature
AC input temperature sensor sensing low
temperature condition.
--
Phase A High Current
High phase A current.
--
Phase B High Current
High phase B current.
--
Phase C High Current
High phase C current.