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
68
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Fan Failure
(Fan Failure)
A rectifier’s fan has failed. Replace fan.
Current Limit
(Current Limit)
A rectifier is in current limit.
Rectifier overload. The load is higher
than rectifier capacity. If the batteries
are being recharged, the alarm will
cease by itself when the battery
voltage has increased to the charging
level. If the system load is higher than
the rectifier capacity, the batteries will
discharge. If this is the reason, install
additional rectifiers. If one or more of
the rectifiers are defective, replace
the faulty rectifiers.
Rectifier Communication Fail
(Rect Comm Fail)
A rectifier has lost communications
with the Controller.
Check communications cables. Reset
the Communication Fail alarm.
Replace the rectifier.
Derated
(Derated)
A rectifier is in output power derating
mode.
Refer to Rectifier User Manual for
troubleshooting information.
Current Share Alarm
(CurrShare Alarm)
A rectifier has a current sharing
alarm.
Low AC Voltage Protection
(Low AC Protect)
A rectifier is in under voltage
protection mode.
SMDUP Alarms (SM-DU+ Module must be present in system)
(SMDUP)
Communication Fail
(Comm Fail)
Communications failure. Check communications cables.
Current1 High Current
(Curr 1 Hi)
Current 1 high. --
Current1 Very High Current
(Curr 1 Very Hi)
Current 1 very high. --
…
…
--
…
…
--
Current25 High Current
(Curr 25 Hi)
Current 25 high. --