Page 12 of 17 Revision 1.1 Aug 2020
Document No. AlarmLine II Digital EN Controller Installation Instructions
Zone 1: OK
Zone 2: OK
{Zone 1: OK
{Zone 2: OK
LED Illustration
Either of the display screens above and a single flashing Power light (green colour) should be visible
when AlarmLine II Digital EN Controller is in normal operation.
Independent mode
Interlock mode
Normal Operation
20. Once the unit has been commissioned, the display will show the zone
status. In normal operation, the display unit in independent mode will
show:
Zone 1: OK
Zone 2: OK
The display unit in interlock mode will show:
{Zone 1: OK
{Zone 2: OK
This indicates the two zones of LHD cable are linked and an alarm is only
transmitted if both zones are triggered.