VESDA by Xtralis
VESDA VLC-400 Product Guide
www.xtralis.com
39
Fault No.
Description
Cause
Action
Fault Classification
33
User list corrupt
Data in the list of users
is corrupt
Accept the factory
defaults using Xtralis
VSC.
If the problem persists
contact your authorized
Xtralis representative.
Minor
34
Detector setup = factory
defaults
Detector configuration
has reverted to factory
defaults.
Use Xtralis VSC to
“Accept the Factory
Defaults” and re-
commission the
detector.
Urgent
36
Event Log Corrupt
Data in the Event log is
corrupt.
Clear the event log
using Xtralis VSC.
If the problem persists
contact your authorized
Xtralis representative.
Minor
37
Detector cal = factory
defaults
The Detector calibration
has not been changed
from the default settings
or has reverted to the
defaults. This may be
because the data has
been detected as being
corrupt.
Contact your authorized
Xtralis representative.
Urgent
51
Urgent high airflow
The airflow exceeds the
Urgent High threshold.
Inspect pipe work for
breakages or leaks and
rectify. Cracks or breaks
in the pipe work render
the system much less
sensitive to smoke in the
protected area. Perform
a ‘Normalize Airflow via
Xtralis VSC.
Urgent
52
Minor high airflow
The airflow has
exceeded the ‘Minor
High’ threshold.
Inspect pipe work for
breakages or leaks and
rectify. Cracks or breaks
in the pipe work render
the system much less
sensitive to smoke in the
protected area. Perform
a ‘Normalize Airflow via
Xtralis VSC.
Minor
53
Minor low airflow
The airflow has dropped
below the ‘Minor Low’
threshold.
Inspect pipe work and
sampling holes for
blockages and rectify.
Blocked pipe work
renders the system
much less sensitive to
smoke in the protected
area. Perform a
‘Normalize Airflow via
Xtralis VSC.
Minor
Table 10-2: VLC-400 Applicable Faults and Classification List (continued...)
