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
63
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Mains 1 Ubc/Ub Failure
(M1 Ubc/Ub Fail)
No AC input voltage between Line B
and Line C of input 1.
--
Mains 1 Uca/Uc Failure
(M1 Uca/Uc Fail)
No AC input voltage between Line C
and Line A of input 1.
--
Mains 2 Uab/Ua Failure
(M2 Uab/Ua Fail)
No AC input voltage between Line A
and Line B of input 2.
--
Mains 2 Ubc/Ub Failure
(M2 Ubc/Ub Fail)
No AC input voltage between Line B
and Line C of input 2.
--
Mains 2 Uca/Uc Failure
(M2 Uca/Uc Fail)
No AC input voltage between Line C
and Line A of input 2.
--
Mains 3 Uab/Ua Failure
(M3 Uab/Ua Fail)
No AC input voltage between Line A
and Line B of input 3.
--
Mains 3 Ubc/Ub Failure
(M3 Ubc/Ub Fail)
No AC input voltage between Line B
and Line C of input 3.
--
Mains 3 Uca/Uc Failure
(M3 Uca/Uc Fail)
No AC input voltage between Line C
and Line A of input 3.
--
Over Frequency
(Over Frequency)
Input frequency above over frequency
alarm threshold.
--
Under Frequency
(Under Frequency)
Input frequency below under
frequency alarm threshold.
--
Mains 1 Uab/Ua Over
Voltage
(M1 Uab/Ua OverV)
AC input 1 voltage between Line A
and Line B above over voltage
threshold.
--
Mains 1 Ubc/Ub Over Voltage
(M1 Ubc/Ub OverV)
AC input 1 voltage between Line B
and Line C above over voltage
threshold.
--
Mains 1 Uca/Uc Over Voltage
(M1 Uca/Uc OverV)
AC input 1 voltage between Line C
and Line A above over voltage
threshold.
--
Mains 2 Uab/Ua Over
Voltage
(M2 Uab/Ua OverV)
AC input 2 voltage between Line A
and Line B above over voltage
threshold.
--
Mains 2 Ubc/Ub Over Voltage
(M2 Ubc/Ub OverV)
AC input 2 voltage between Line B
and Line C above over voltage
threshold.
--