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PRS-UM-DP8-EN-Rev.4.1-16.08.2021
3.
Turn off the gas supply at the tap and/or on the gas bottle (in the case of LPG).
4.
Do not switch electrical appliances, lamps or the gas detection control unit on or off.
5.
Open all windows and doors to air the room.
6.
Do not “reset” the control unit if it is in the same room.
If the gas concentration reading on the control unit does not fall below the level of alarm,
and the reason for the gas leak is not immediately apparent and/or cannot be repaired, quit
the premises and call the gas supplier and/or emergency services immediately to check the
installations and to make the premises safe and to possibly carry out the necessary repairs.
If the alarm stops and the reason for the alarm is identified and resolved (e.g. a kitchen
burner lit off but in the open position) the gas supply may be re-opened after checking that
all the gas appliances are off.
Controlling the Alarm Fault Functions
PROBLEMS
POSSIBLE CAUSES
WHAT TO CHECK
The display is not on
Main power source is
OFF
Check the Main power connection
Bad power supply.
Check the power supply. The green
LED should be on
Blown fuse(s).
Check fuses on main power
connection and replace if necessary.
BATTERY LED is ON
No line power, System is
using Backup battery
Check line power and related fuses
Power supply range is
below 27 V
Adjust power supply output level via
Phillips screwdriver
FAULT LED is ON and FLT
sign shown on LCD screen
The Detector
connection is broken
Check the detector cables
The detector output
signal is too low
If detector is working fine the output
current might be getting low at
control panel input. Adjust the zero
level of the detector.
There is no detector
connected to channel
Close (deactivate) related channel via
using menu steps
Detector is faulty
Check detector connected to channel
ALARM1 and/or ALARM2
and/or AUX LED is ON
There is a gas leak.
Close the manual valve on the gas
input pipe. Locate and repair the leak.
ALARM1 and/or ALARM2
and/or AUX LED is ON and
there is no gas leak
The control panel has
false alarms
Reset control panel
Alarms might stuck due
to previous gas leak
Press EXIT button for 5 seconds to
reset the panel
Table
9
: Problems and possible causes
