Vertiv Netsure - Page 77

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[67]
Table 5
Alarm Name
Alarm Description
Action to Correct
Line AB Under Voltage 1
Voltage between Line A and Line B is lower
than the Line AB Under Voltage 1 Alarm
threshold.
Check why voltage is low.
Line AB Under Voltage 2
Voltage between Line A and Line B is lower
than the Line AB Under Voltage 2 Alarm
threshold.
Line BC Over Voltage 1
Voltage between Line B and Line C is higher
than the Line BC Over Voltage 1 Alarm
threshold.
Check why voltage is high.
Line BC Over Voltage 2
Voltage between Line B and Line C is higher
than the Line BC Over Voltage 2 Alarm
threshold.
Line BC Under Voltage 1
Voltage between Line B and Line C is lower
than the Line BC Under Voltage 1 Alarm
threshold.
Check why voltage is low.
Line BC Under Voltage 2
Voltage between Line B and Line C is lower
than the Line BC Under Voltage 2 Alarm
threshold.
Line CA Over Voltage 1
Voltage between Line C and Line A is higher
than the Line CA Over Voltage 1 Alarm
threshold.
Check why voltage is high.
Line CA Over Voltage 2
Voltage between Line C and Line A is higher
than the Line CA Over Voltage 2 Alarm
threshold.
Line CA Under Voltage 1
Voltage between Line C and Line A is lower
than the Line CA Under Voltage 1 Alarm
threshold.
Check why voltage is low.
Line CA Under Voltage 2
Voltage between Line C and Line A is lower
than the Line CA Under Voltage 2 Alarm
threshold.
Phase A Over Voltage 1
Phase A voltage is above over voltage 1
threshold.
Check why voltage is high.
Phase A Over Voltage 2
Phase A voltage is above over voltage 2
threshold.
Phase A Under Voltage 1
Phase A voltage is below under voltage 1
threshold.
Check why voltage is low.
Phase A Under Voltage 2
Phase A voltage is below under voltage 2
threshold.
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.