Instructions
- Open the sensor by twisting sensor cover counterclockwise.
 - Remove the battery.
 - Wait 15–20 seconds.
 - Replace the battery with a CR-123A battery.
 - Remount the sensor by lining up the grooves and twisting it clockwise until it clicks into place.
 - Check the panel to ensure the error has cleared.
 
If the error persists, please call our Account Specialists for further assistance.
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