Brochures and Data Sheets
NetSure
™
ACU+ Controller (Advanced Control Unit Plus)
User Instructions, UM1M820BNA (Issue AK, March 3, 2014)
Spec. No: 1M820BNA, 1M820DNA Code: UM1M820BNA
Model No: M820B, M820D Issue AK, March 3, 2014
60
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Communication Fail
(Comm Fail)
The SM-DU 1 has lost
communications with the Controller.
Check communications cables.
Current1 High Current
(Curr 1 Hi)
Current 1 has high current.
Check why current is high.
Current1 Very High Current
(Curr 1 Very Hi)
Current 1 has very high current.
…
…
…
…
Current5 High Current
(Curr 5 Hi)
Current 5 has high current.
Current5 Very High Current
(Curr 5 Very Hi)
Current 5 has very high current.
Shunt1 Coefficient Conflict
(Shunt1 Conflict)
Shunt 1 coefficient conflicting.
Verify shunt size.
…
…
Shunt5 Coefficient Conflict
(Shunt5 Conflict)
Shunt 4 coefficient conflicting.
Converter Group Alarms
(Converter Grp)
Multiple Converters Failure
(Multi-Conv Fail)
More than one converter has failed.
Check input voltage to converters.
Replace converters.
Converter Lost
(Converter Lost)
A converter cannot be detected by
the Controller.
Reset the Converter Lost alarm.
Replace defective converter.
All Converters Comm Fail
(AllConvCommFail)
No response from all converters.
Check the connectors and cables or
the CAN loop. Replace the Controller.
Over Current
(Over Current)
Over current condition exists. Check why.
Converter Alarms
(Converter)
Communication Fail
(Comm Fail)
A converter has lost communications
with the Controller.
Check communications cables. Reset
the Communication Fail alarm.
Replace the converter.