Checking Cellular Network Status; Check Cellular Network Error Code; Check Sim Card Status - Tunstall Lifeline Digital Installation Manual

4.4. Checking cellular network status

This section describes how to check cellular network information. This information can be used to troubleshoot
cellular connectivity issues.

4.4.1. Check cellular network error code

To check the cellular network error code:
a) Enable programming mode, see Enable programming
mode, page 28.
b) Press and hold the yellow Extra button (1).
c) When the device announces "Five", release the button.
d) Press and hold the yellow Extra button (1).
e) When the device announces "One", release the button.
The device announces:
• "Error code Zero" if there is no error code.
• "Error code One" if hardware initialization failed.
• "Error code Two" if software initialization failed.
• "Error code Three" if the SIM card failed
• "Error code Four" if network registration failed.
• "Error code Five" if GPRS initialization failed.
f) Press the green Cancel button (2) to exit.

4.4.2. Check SIM card status

To check SIM card status:
a) Enable programming mode, see Enable programming
mode, page 28.
b) Press and hold the yellow Extra button (1).
c) When the device announces "Five", release the button.
d) Press and hold the yellow Extra button (1).
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