23
PRS-UM-DP32-EN-Rev.02-05.2019
Controlling the Alarm Fault Functions
PROBLEMS
POSSIBLE CAUSES
WHAT TO CHECK
1
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.
2
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
3
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
4
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.
5
ALARM1 and/or
ALARM2 and/or
AUX LED is ON
and there is no
gas leak
The control panel has
false alarms
Reset the control panel via power off / Power on
Alarms might stuck due
to previous gas leak
Press EXIT button for 5 seconds to reset the panel
Table 8: Problems and possible causes
