Troubleshooting LEDs
Status LEDs indicate network and module status. The following figure shows the location of the status LEDs
on the TL8803GI module.
Status LEDs
LED functions
LED
General & Cellular Error LED. Flashes 1 to 8 times in an 8-second interval to indicate specific error. See section
L1
"LED L1 (red)" for errors and common fixes.
Ethernet Errors & Panel Communication. Flashes 2 to 8 times in an 8-second interval to indicate a specific
L2
error on the Ethernet path. Also flashes once every time the module communicates with the panel. See section
"LED L2 (yellow)" for errors and common fixes.
Cellular Communication. Flashes every time the cellular signal level is checked and when packets are
L3
exchanged with Alarm.com
Cellular Signal Strength Level. Flashes 0 to 5 times to indicate signal strength or toggles on/off slowly when
L4
communicating with Alarm.com servers
L5
Z-Wave Status & Error LED. See section "LED L5 (yellow)" for patterns.
LED details
LED L1 (red)
L1 flashes when there is a general error or an error on the cellular path. The number of flashes indicates the
error number. If there are two or more errors at the same time, the errors will flash one after the other. The
LED will stay off for at least four seconds between errors.
Number of
flashes
Module cannot communicate with the panel. Ensure section [382] option [5] is ON. Verify panel
1
software is version 1.1 or higher. Check the connectors (between the panel and communicator) and
powercycle the panel. If the error persists, there can be an issue with the module or panel.
The SIM card is missing. The SIM card holder can be found on the module. Verify that the SIM card
2
holder is closed securely and that there is a SIM card in the holder.
L1 L2 L3 L4 L5
Function
Error and solution
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Troubleshooting