Please follow the steps below to replace the Qolsys IQ Panel backup battery:
1. Press SETTINGS, then enter your Master Code
2. Press POWER DOWN, then OK to confirm. The IQ Panel will now power down.
3. Loosen the screw on the bottom of the panel, then pull the front of the panel from backplate
4. Hang panel on backplate using plastic strap
5. Remove battery holder screw, then unplug to remove and replace the battery
6. Hold the HOME button for 5 seconds to power up IQ Panel