DSC HS2128 Reference Manual page 210

Trouble [11] Communications
[04] Alternate Comm Cellular
The alternate communicator has detected a radio or SIM
failure, a cellular network trouble, or insufficient signal
strength.
[05] Alternate Comm Ethernet
The alternate communicator has detected a network
absent condition.
[06] Receiver 1-4 Absent
Alternate communicator supervision loss or failure to
initialize a receiver.
[07] Receiver 1-4 Supervision
The alarm system loses communication with an Ethernet
or cellular receiver on the system.
[09] Alternate Comm Fault
The alternate communicator has not responded to any
poll commands. Alt Comm Fault is displayed in [*][2] and
the event buffer.
[10] Alternate Comm FTC Fault
Trouble [12] Not Networked
Trouble
[01] Zones 1-128
[02] keypad 1-16
[03] Siren 1-16
[04] Repeater 1-8
[05] User 1-16
A device is out of sync with the wireless network or was
not synchronized with the network after enrollment.
IMPORTANT!
Ensure you have the following information available before contacting Customer Support :
Alarm controller type and version, (e.g., HSM2064 1.0):
Note: Version number can be accessed by entering [*][Installer Code][900] on any LCD keypad. This information is also loc-
ated on a sticker on the printed circuit board.
List of modules connected to control panel, (e.g., HSM2108, HSM2HOSTx etc.) .
Section 8: Troubleshooting
Press [11] to determine specific trouble
See the communicator installation manual for details.
See the communicator installation manual for details.
See the communicator installation manual for details.
See the communicator installation manual for details.
See the communicator installation manual for details.
See the communicator installation manual for details.
Press [12] to toggle through troubles
Troubleshooting
Ensure the device is physically present.
Check the current signal strength and during the last 24 hours.
Replace the battery or press the tamper switch.
Enroll the device again.
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