- Ensure the panel is disarmed.
- Open the sensor by prying the bottom of the casing open with a flat-head screwdriver (or small coin).
- Wait 15–20 seconds.
- Close the sensor, pressing down on the bottom corners to ensure the cover clicks into place.
- Check the panel to see if the error has cleared.
If the error persists, please call our Account Specialists for further assistance.
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