What To Do if the Simon XT Panel Is Not Responding

Summary: Follow these step-by-step instructions to power cycle your Interlogix Simon XT panel and restore functionality when it is unresponsive.

Step-by-Step Instructions

  1. Disconnect the transformer from the power outlet. Remove the top screw and press the two tabs to open the front cover.

    Simon XT Panel Open

  2. Flip the front cover down.

    Simon XT Flip Down Front Cover

  3. Apply pressure to spread the battery clips, then disconnect and remove the battery. If preferred, disconnect only the positive (red) side of the battery without removing it. Wait several minutes before replacing the battery and restoring power.

    Simon XT Battery Clips

  4. Reconnect the battery, ensuring the red terminal matches the red wire and the black terminal matches the black wire.

    Simon XT Battery

  5. Flip the front cover up to close the panel.