DSE DSE8661, Operator'S Manual, Page: 98 / 120

Protections
98
7 PROTECTIONS
NOTE: The Mains Alarms page displays alarms active in the module that controls the
mains breaker. The Bus Alarms page displays alarms active in the module that controls the
bus breaker.
When an alarm is active, the
Internal Audible Alarm sounds and the Common Alarm LED, if
configured, illuminates.
The audible alarm is silenced by pressing the Alarm Mute / Lamp Test button.
The LCD display jumps from the ‘Information page’ to display the Alarm Page
1/2 Mains Alarms
Mains Failed to Close
Warning
1/2 Bus Alarms
Mains Module Warning
Warning
The LCD displays multiple alarms such as “
Mains Over Voltage ” and “ Mains Reverse Power ”. These
automatically scroll in the order that they occurred.
In the event of an alarm, the LCD displays the appropriate text. If an additional alarm then occurs,
the module displays the appropriate text.
Example:
1/2 Mains Alarms 2/2 Mains Alarms
Mains Over Voltage
Warning Mains Reverse Power
Electrical Trip
The type of alarm, e.g. Warning
The cause of alarm, e.g. Mains Failed to Close
Number of active alarms on Mains Alarms page.
This is alarm 1 of a total of 2 active alarms
The type of alarm, e.g. Warning
The cause of alarm, e.g. Mains Module Warning
Number of active alarms on Bus Alarms page.
This is alarm 1 of a total of 2 active alarms