22
PRS-UM-DP4-EN-Rev.03-05.06.2020
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
Detector is
faulty
Check detector connected to channel
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 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
Prosense Panel Monitor Software Option
Prosense S-DP4 Control Panel has an optional RS485 module and connections on main
board. Prosense S-DP4 Control panel with firmware version V3.02 can communicate to
Prosense Panel Monitor Software control program via RS485 module. S-DP4 panel with
earlier than V3.01 firmware version needs hardware upgrade to enable RS485 module.
Important
: The date and time information will be unavailable once RS485 module installed.