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
55
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Phase A Under Voltage 1
(PH-A UnderVolt1)
Phase A voltage is below under
voltage 1 threshold.
Check why voltage is low.
Phase A Under Voltage 2
(PH-A UnderVolt2)
Phase A voltage is below under
voltage 2 threshold.
Phase B Over Voltage 1
(PH-B Over Volt1)
Phase B voltage is above over
voltage 1 threshold.
Check why voltage is high.
Phase B Over Voltage 2
(PH-B Over Volt2)
Phase B voltage is above over
voltage 2 threshold.
Phase B Under Voltage 1
(PH-B UnderVolt1)
Phase B voltage is below under
voltage 1 threshold.
Check why voltage is low.
Phase B Under Voltage 2
(PH-B UnderVolt2)
Phase B voltage is below under
voltage 2 threshold.
Phase C Over Voltage 1
(PH-C Over Volt1)
Phase C voltage is above over
voltage 1 threshold.
Check why voltage is high.
Phase C Over Voltage 2
(PH-C Over Volt2)
Phase C voltage is above over
voltage 2 threshold.
Phase C Under Voltage 1
(PH-C UnderVolt1)
Phase C voltage is below under
voltage 1 threshold.
Check why voltage is low.
Phase C Under Voltage 2
(PH-C UnderVolt2)
Phase C voltage is below under
voltage 2 threshold.
Mains Failure
(Mains Failure)
Commercial AC power failure. Check why no commercial AC power.
OB AC Unit (OB-AC Module must be present in system)
(OBAC)
Phase A Over Voltage 1
(PH-A Over Volt1)
Phase A voltage is above over
voltage 1 threshold.
Check why voltage is high.
Phase A Over Voltage 2
(PH-A Over Volt2)
Phase A voltage is above over
voltage 2 threshold.
Phase A Under Voltage 1
(PH-A UnderVolt1)
Phase A voltage is below under
voltage 1 threshold.
Check why voltage is low.
Phase A Under Voltage 2
(PH-A UnderVolt2)
Phase A voltage is below under
voltage 2 threshold.