How to Fix Panel Communication Failure on the 2GIG GC2 Panel

Summary: This guide helps you fix “communication failure” or “radio not responding” messages on your GC2 GoControl panel. You’ll diagnose the cause, apply step-by-step solutions, and power-cycle your panel if needed to restore connectivity.

Table of Contents

Common Terms

Communication Failure
When the panel cannot send or receive signals via cellular or landline.
Radio Module
The panel’s cellular hardware (e.g., 3G/4G/LTE) used to communicate with the monitoring station.
Wi-Fi Connection
The panel’s ability to use your home network for backup communication.
Transformer (Power Brick)
Converts household AC power to low-voltage DC for the panel.
Backup Battery
Keeps the panel running during a power outage.

Common Causes & Solutions

Power Outage

  1. Verify the panel is plugged in and the transformer is seated firmly.
  2. If power was out recently, allow the backup battery to recharge for 24 hours.
  3. After 24 hours, check for any remaining alerts on the panel display.

Loss of Connection to Power Source

  1. Ensure the transformer plug is fully inserted into the outlet.
  2. Test the outlet by plugging in another device to confirm it provides power.

3G Cellular Service Expired

  1. Confirm whether your panel uses a 3G radio module.
  2. If so, text 469.513.8685 to schedule a module upgrade.
  3. In the meantime, connect your panel to Wi-Fi: go to Settings → Wi-Fi Setup and enter your network name and password.

Local Cell Provider Outage

  1. Check your provider’s outage map or app for service interruptions.
  2. Ensure your panel is on Wi-Fi by verifying Settings → Wi-Fi Status shows “Connected.”

Signal Interference

  1. Move large metal objects or appliances away from the panel.
  2. Reposition the panel near an exterior wall, above ground level.
  3. Retest connectivity after each adjustment.

System Malfunction

  1. Power-cycle the panel: fully power down, wait 2 minutes, then power back on.
  2. After reboot, run a system test: see Perform Your Monthly System Test.

Landline Phone Service Interruption

  1. Check the phone cable connection at the panel’s backplate.
  2. Confirm your new phone service is compatible with alarm panels.
  3. Consider upgrading to cellular service—text 469.513.8685 for details.

GC2/GC2e Power-Cycle Instructions

  1. Disarm and Unplug:
    1. Enter your master code and tap Disarm.
    2. Unplug the transformer from the outlet.
    GC2 Transformer
  2. Open the Panel:
    1. Remove the top screw using a Phillips screwdriver.
    2. Insert a flat-head screwdriver into the side slot and pry the cover open.
    GC2 Panel Screw
  3. Access the Backplate:
    1. Gently pull the cover down and hang it from the backplate strap.
    GC2 Backplate Access
  4. Reset the Battery:
    1. Unplug the battery cable for a few seconds.
    2. Reconnect the battery cable firmly.
    Reset Battery
  5. Reassemble and Power On:
    1. Snap the cover back onto the backplate.
    2. Replace the top screw and tighten snugly.
    3. Plug the transformer back into the outlet.
    GoControl Panel

Need Further Assistance?

  1. Text a Support Representative any time at 469.513.8685.
  2. Schedule a service call by texting the same number.