Instruction manual
45
13) Alarm messages
By default, the alarm conguration is :
- Activated: if an alarm is present, a message is displayed on the
readout,
- Alarm relay: relay 3 is activated if an alarm is triggered.
If the display of alarms was selected by the installer at the time of
conguration of the unit (See Alarm conguration, page 38), the SIGMA can
display alarm messages :
If an alarm is active, the display alternates
between the date and the alarm message.
Press the key to view additional information on this alarm.
Example :
If several alarms are active simultaneously,
the display is:
Press the key to view the additional
information.
Press the key to view the following
alarms.
The alarms are displayed in chronological
order.
To acknowledge an alarm, press .
Except for Afnor, FI, DCF and GPS synchronisation failures where alarm is
activated after 24 hours, other alarms are activated immediately.
In the Auto mode, if there is no synchronisation from the primary source for
more than 2h30, the Sigma switches to the next source and if there is still no
synchronisation after 30 minutes then the Sigma activates the alarm.
10:54.32
Alarm :output 01 ö
24v overload on 01
18/12/07 10:54.32 ok
10:54.32
Alarms ö
Alarm :output 01 ö
Alarm :output 03 õ










