VESDA VLQ Product Guide
VESDA by Xtralis
42
www.xtralis.com
Fault Code Fault Type
Description
Possible Resolution
43
Autolearn Smoke Failed
The detector has been unable to
establish suitable alarm thresholds
during Autolearn Smoke.
Re-activate when area is
smoke-free, or set suitable
Pre-Alarm and Fire
thresholds manually using
the onboard DIP switches or
the Xtralis QSC software.
Refer to Section 5.3 on page
30 for further information
44
Filter Absent
Filter not fitted or fitted incorrectly
Check filter is fitted correctly
or insert new filter.
Refer to Section 8.1 on page
37 for further information.
45
Filter Replace
Filter life expired
Replace filter and reset filter
use percentage value.
Refer to Section 8.1 on page
37 for further information.
46
High Airflow
Airflow through one or both sample
pipes has exceeded the acceptable
high flow limit.
l
Check sample pipes
for damage, breaks.
l
Examine environment
for changes that may
affect airflow.
If a cause cannot be found,
normalize the detector.
47
Low Airflow
Airflow through one or both sample
pipes has exceeded the acceptable
low flow limit.
l
Check sampling holes
and pipe for obstruction
or partial blockage.
l
Examine environment
for changes that may
affect airflow.
If a cause cannot be found,
normalize the detector.
48
GPI
The monitored General Purpose
Input line is open or short circuit.
The End Of Line resistor
provides a known
termination to the external
equipment. Check that the
47K EOL resistor is fitted to
the GPI terminals on the
back of the unit.
Examine monitored device
(if fitted).
Refer to Section 4.2.5 on
page 23 for further
information.
Table 9-1: Fault Codes (continued...)
