Tools Needed: Small Phillips-head screwdriver
- Ensure system is disarmed
- Unplug transformer
- Loosen set screw on top of panel
- Remove panel from wall by pulling on top 2 corners
- Hang panel from wall mount with white strap
- Disconnect panel battery
- Let sit for 20-30 seconds
- Plug panel battery back in
- Remount panel to wall mount
- Plug transformer back in
- Wait 2-5 minutes
- On the panel's Home screen, tap Security
- Press Menu, then Toolbox
- Enter the 4-digit master code
- Press the right arrow twice
- Press Cell Phone Test
- Once panel shows "Successful", press OK
- Press Home button
- Tighten set screw