Fault
What it means
Solution
2. Enter and exit the installer menu
3. Disconnect GSM unit and install it
again
4. Replace SIM card
5. Replace the GSM unit
SYSTEM JAMM
A radio-frequency signal which is
blocking communication channel of
sensors and control panel is detected.
Locate the source of interference by
switching off any wireless devices
(cordless telephones, wireless ear
plugs, etc.) in the house for 2 minutes
then check if trouble continues.
Use also RF diagnostics to check
signal strength.
LINE FAILURE
There is a problem with the telephone
line
1. Lift the telephone receiver and
make sure a telephone line can be
heard
2. Check the telephone connection to
the control panel
LOW BATTERY
The battery in a sensor, keyfob or
wireless commander is near the end of
its useful life.
1. For AC powered devices, check
AC power is available and
connected to the device.
2. Replace the device battery.
MISSING
A device or detector has not reported
for some time to the control panel.
1. Make sure the device is physically
present.
2. Check the display for device faults,
for example, low battery.
3. Use RF diagnostics to check the
current signal strength and during
the last 24 hours.
4. Replace the battery.
5. Replace the device.
NOT NETWORKED
A device was not installed or not
installed correctly, or, cannot establish
communication with the control panel
after installation.
1. Make sure the device is physically
present.
2. Use RF diagnostics to check the
current signal strength and during
the last 24 hours.
3. Open the device cover and replace
the battery or press the tamper
switch.
4. Enroll the device again.
RSSI LOW
The GSM communicator has detected
that GSM network signal is weak
Move the Panel and GSM unit to
another location.
SIREN AC FAILURE
There is no power to the siren
Make sure that the AC power supply is
connected properly
TAMPER OPEN
The sensor has an open tamper
Close sensor tamper
TROUBLE
The sensor reports trouble
Replace the sensor
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D-306919 KP-250 PG2 Installer’s Guide