Vertiv M830D - Page 72

NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
[62]
Table 5
Alarm Name
Alarm Description
Action to Correct
Mains 1Uca/Uc Under Voltage
AC input 1 voltage between Line C and Line A
below under voltage threshold.
--
Mains 2Uab/Ua Under Voltage
AC input 2 voltage between Line A and Line B
below under voltage threshold.
--
Mains 2Ubc/Ub Under Voltage
AC input 2 voltage between Line B and Line C
below under voltage threshold.
--
Mains 2Uca/Uc Under Voltage
AC input 2 voltage between Line C and Line A
below under voltage threshold.
--
Mains 3Uab/Ua Under Voltage
AC input 3 voltage between Line A and Line B
below under voltage threshold.
--
Mains 3Ubc/Ub Under Voltage
AC input 3 voltage between Line B and Line C
below under voltage threshold.
--
Mains 3Uca/Uc Under Voltage
AC input 3 voltage between Line C and Line A
below under voltage threshold.
--
AC Input MCCB Trip
Main input circuit breaker open.
--
AC Output MCCB Trip
Main output circuit breaker open.
--
SPD Trip
Surge protection device tripped.
--
No Response
AC distribution monitoring device has lost
communications with the controller.
Check communications cables.
IB2-1 (Interface Board) Alarms (IB2-1 must be present in system)
Communication Fail
IB2-1 board has lost communications with
the controller.
Check communications cables.
DI1 Alarm
Digital input #1 alarm is active.
Check why alarm is active.
…
…
DI7 Alarm
Digital input #7 alarm is active.
DI8 ESTOP
Digital input #8 alarm is active.
IB2-1 D01 Test
Testing Relay 1 (on IB2-1 Board).
--
…
…
IB2-1 D08 Test
Testing Relay 8 (on IB2-1 Board).
EIB-1 (Extended Interface Board) Alarms (EIB-2 board must be present in system)
EIB Communication Fail
EIB-1 board has lost communications with
the controller.
Check communications cables.
Bad Battery Block
Battery block fails.
Check batteries.
EIB-1 D01 Test
Testing Relay 1 (on EIB-1 Board).
--
…
…
EIB-1 D05 Test
Testing Relay 5 (on EIB-1 Board).