Vertiv M830D - Page 65

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[55]
Table 5
Alarm Name
Alarm Description
Action to Correct
Low Ambient Temperature Alarm
Battery string ambient low alarm.
--
High Total Voltage
Battery string high voltage alarm.
--
Low Total Voltage
Battery string low voltage alarm.
--
High String Current
Battery string high current alarm.
--
Low String Current
Battery string low current alarm.
--
High Ripple Current
Battery string ripple current high.
--
Low Ripple Current
Battery string ripple current low.
--
Current Limit Exceeded
Battery string current limit exceeded.
--
Over Battery Current
Battery string over current alarm.
--
Low Capacity
Battery string low capacity alarm.
--
High Cell Voltage Alarm
Battery cell high voltage alarm.
--
High Cell Temperature Alarm
Battery cell high temperature alarm.
--
High Cell Resistance Alarm
Battery cell high resistance alarm.
--
High Inter Cell Resist Alarm
Battery inter-cell high resistance alarm.
--
High Delta Cell vs Ambient Temp
Battery cell high ambient temperature
alarm.
--
Battery Block 1 Temperature Probe
Failure
Battery temperature sensor has failed.
Replace temperature sensor.
…
Battery Block 8 Temperature Probe
Failure
Temperature 9 Not Used
Temperature sensor #9 not used.
--
…
…
Temperature 24 Not Used
Temperature sensor #24 not used.
DC Distribution Alarms
Over Voltage 1
DC output voltage is above over voltage 1
threshold.
Check why voltage is high.
Over Voltage 2
DC output voltage is above over voltage 2
threshold.
Under Voltage 1
DC output voltage is below under voltage 1
threshold.
Check why voltage is low.
Under Voltage 2
DC output voltage is below under voltage 2
threshold.
Over Voltage 1 (24V)
DC output voltage is above over voltage 1
threshold.
Check why voltage is high.
Over Voltage 2 (24V)
DC output voltage is above over voltage 2
threshold.
Under Voltage 1 (24V)
DC output voltage is below under voltage 1
threshold.
Check why voltage is low.
Under Voltage 2 (24V)
DC output voltage is below under voltage 2
threshold.
Current High 1 Curr
Current above High 1 limit.
Check why current is high.
Current High 2 Curr
Current above High 2 limit.