Alpha Technologies Cordex Controller Ver.3.1x - Manual (Page 59)

57 0700015-J0 Rev B
6.6 Alarms
This menu category consists of power system alarms. Parameters can be set/accessed such as power
system high/low voltage alarms, AC Mains high/low voltage alarms, Supervisor programmable alarms
and alarm tone enable (audible alarm buzzer).
All voltage-related alarms (HVA 1 and 2, LVA 1 and 2) are based on voltage readings taken from the ana-
log input channel for the power system’s BATTERY VOLTAGE.
See Table J for factory default settings.
6.6.1 Alarm Icons
LCD Symbol Alarm Web Symbol
Active alarm condition.
Alarm condition that has been silenced
Power system Major Alarm
Power system Minor Alarm
No Alarms
A power system Message alert.
Rectifier Information accompanied by the number of rectifiers in
the system
Power Save feature enabled and active accompanied by the
number of rectifiers shut down
6.6.2 Definitions
Major Alarm conditions that are serious or an immediate threat to service. The red front
panel LED illuminates and the Major Alarm icon displays on the GUI
Minor Alarm conditions of a less serious nature or not an immediate threat to service. The
yellow front panel LED illuminates and the Minor Alarm icon displays on the GUI.
Message Non-audible, non-priority alert. No change in LED activity and the Message icon
displays on the LCD GUI. The Supervisor can define the condition(s) and set relays
to change.
Rectifier Major
Fail Count Number of rectifiers that are in a fail condition resulting in a major alarm or an
immediate threat to service. Adjust this setting in the Rect. Major Fail Count alarm
submenu.
Rectifier Minor
Fail Count Number of rectifiers that are in a fail condition resulting in a minor alarm or a non-
immediate threat to service. Adjust this setting in the Rect. Minor Fail Count alarm
submenu.
Rectifier Minor
Alarm Alarm condition detected in a rectifier but not considered an immediate threat to the
operation of that rectifier.
Rectifier Fail
Alarm Alarm condition detecting an actual rectifier failure.
ALCO Alarm cutoff (see Section 4.5.1) may silence all ALCO enabled alarms and may
change relay state. For controls, the relay does not change state – only the audible
alert is silenced.