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
58
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Low Phase Voltage B
(Lo PhaseVolt B)
Phase B voltage is below low voltage
threshold.
Check why voltage is low.
Very Low Phase Voltage B
(VLo PhaseVolt B)
Phase B voltage is below very low
voltage threshold.
High Phase Voltage C
(Hi PhaseVolt C)
Phase C voltage is above high
voltage threshold.
Check why voltage is high.
Very High Phase Voltage C
(VHi PhaseVolt C)
Phase C voltage is above very high
voltage threshold.
Low Phase Voltage C
(Lo PhaseVolt C)
Phase C voltage is below low voltage
threshold.
Check why voltage is low.
Very Low Phase Voltage C
(VLo PhaseVolt C)
Phase C voltage is below very low
voltage threshold.
Mains Failure
(Mains Failure)
Commercial AC power failure. Check why no commercial AC power.
Severe Mains Failure
(SevereMainsFail)
Commercial AC power voltage is too
low.
Check why voltage is low.
High Frequency
(High Frequency)
Commercial AC power has high
frequency.
--
Low Frequency
(Low Frequency)
Commercial AC power has low
frequency.
--
High Temperature
(High Temp)
AC input temperature sensor sensing
high temperature condition.
--
Low Temperature
(Low Temperature)
AC input temperature sensor sensing
low temperature condition.
--
Phase A High Current
(PH-A Hi Current)
High phase A current. --
Phase B High Current
(PH-B Hi Current)
High phase B current. --
Phase C High Current
(PH-C Hi Current)
High phase C current. --