36
Alarm message
Meaning
user code
fail.
The user code has been entered three times incorrectly; the
keyboard is blocked for 10 minutes.
tech.code
fail.
The technician code has been entered three times incorrectly; the
keyboard is blocked for 10 minutes.
battery
failure
The lithium battery used to save configuration data is defective;
replace the battery after making a backup of configuration data.
master failure
The main master clock is defective; control the main master
clock. If a Sigma SWITCH is used, the stand-by master clock will
automatically take over.
sync. failure
The synchronisation source is faulty.
In case of synchronisation input failure, an alarm message is sent.
This alarm is triggered after 3 hours without synchronisation in NTP
or Auto mode, after 24 hours in the other synchronisation modes.
DHF failure
The DHF output is defective.
Circuit
failure
The relay extension card does not answer; check the presence of
the card.
