NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
Generator has high water temperature.
Generator has low oil pressure.
Periodical Maintenance Required
Periodical maintenance is required to be
performed.
SMDUH Unit 1 [2, 3, 4, 5, 6, 7, 8] Alarms (SM-DUH Module must be present in system)
Distribution voltage is below low voltage
threshold.
Check why system voltage is low.
Distribution voltage is above high voltage
threshold.
Check why system voltage is high.
The SM-DU 1 has lost communications with
the controller.
Check communications cables.
SM-BRC Unit Alarms (SM-BRC Module must be present in system)
Check communications cables.
Ambient high temperature alarm.
Ambient low temperature alarm.
Ambient Temperature Probe Failure
Ambient temperature sensor failure.
Replace temperature sensor.
Fuel tank high level alarm.
Fuel tank low level alarm.
Fuel tank configuration error.
DC Meter Group Alarms (DC Meter must be present in system)
DC meter cannot be detected by the
controller.
Reset the DC Meter Lost alarm. Replace
defective DC Meter.
DC Meter Alarms (DC Meter must be present in system)
DC meter has lost communications with the
controller.
Check communications cables.
AC Meter (AC Meter must be present in system)
AC meter has lost communications with the
controller.
Check communications cables.
Voltage between Line A and Line B is higher
than the Line AB Over Voltage 1 Alarm
threshold.
Check why voltage is high.
Voltage between Line A and Line B is higher
than the Line AB Over Voltage 2 Alarm
threshold.