A tamper error occurs when the panel is reading that the sensor’s cover is not attached properly. To address the tamper error on your QS1150-840 smoke detector, follow the instructions below.
1. Align the sensor over the base, holding it against the base, and twist clockwise to set it in place.
2. You may need to clear the error from the panel memory.
If you need further assistance, you can call a Support Representative any time at 317-399-5748.