Vertiv M830D - Page 71

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[61]
Table 5
Alarm Name
Alarm Description
Action to Correct
Mains 2 Failure
AC input 2 power failure.
--
Mains 3 Failure
AC input 3 power failure.
--
Mains 1 Uab/Ua Failure
No AC input voltage between Line A and Line
B of input 1.
--
Mains 1 Ubc/Ub Failure
No AC input voltage between Line B and Line
C of input 1.
--
Mains 1 Uca/Uc Failure
No AC input voltage between Line C and Line
A of input 1.
--
Mains 2 Uab/Ua Failure
No AC input voltage between Line A and Line
B of input 2.
--
Mains 2 Ubc/Ub Failure
No AC input voltage between Line B and Line
C of input 2.
--
Mains 2 Uca/Uc Failure
No AC input voltage between Line C and Line
A of input 2.
--
Mains 3 Uab/Ua Failure
No AC input voltage between Line A and Line
B of input 3.
--
Mains 3 Ubc/Ub Failure
No AC input voltage between Line B and Line
C of input 3.
--
Mains 3 Uca/Uc Failure
No AC input voltage between Line C and Line
A of input 3.
--
Over Frequency
Input frequency above over frequency alarm
threshold.
--
Under Frequency
Input frequency below under frequency
alarm threshold.
--
Mains 1 Uab/Ua Over Voltage
AC input 1 voltage between Line A and Line B
above over voltage threshold.
--
Mains 1 Ubc/Ub Over Voltage
AC input 1 voltage between Line B and Line C
above over voltage threshold.
--
Mains 1 Uca/Uc Over Voltage
AC input 1 voltage between Line C and Line A
above over voltage threshold.
--
Mains 2 Uab/Ua Over Voltage
AC input 2 voltage between Line A and Line B
above over voltage threshold.
--
Mains 2 Ubc/Ub Over Voltage
AC input 2 voltage between Line B and Line C
above over voltage threshold.
--
Mains 2 Uca/Uc Over Voltage
AC input 2 voltage between Line C and Line A
above over voltage threshold.
--
Mains 3 Uab/Ua Over Voltage
AC input 3 voltage between Line A and Line B
above over voltage threshold.
--
Mains 3 Ubc/Ub Over Voltage
AC input 3 voltage between Line B and Line C
above over voltage threshold.
--
Mains 3 Uca/Uc Over Voltage
AC input 3 voltage between Line C and Line A
above over voltage threshold.
--
Mains 1Uab/Ua Under Voltage
AC input 1 voltage between Line A and Line B
below under voltage threshold.
--
Mains 1Ubc/Ub Under Voltage
AC input 1 voltage between Line B and Line C
below under voltage threshold.
--