How Do I Clear A Tamper Error On My Honeywell System?
To clear a tamper on a Honeywell alarm system, the cause of the tamper should be corrected first. If this is a cover tamper on a wireless alarm system, replace or reseat the system cover so that it properly holds down the tamper switch.
Usually, a tamper on a wireless sensor is due to the cover not being placed back on correctly, or in some cases, if the sensor has a back tamper, it may not be mounted correctly, or may be missing its back plate.
Once the reason for the tamper is found and corrected, whether it was a panel tamper, or a sensor tamper, disarm the system twice to clear the tamper display. With Vista panels, this means entering your 4 digit code + Off  twice. With Lynx or Lyric alarm panel, go to Security > Disarm > Enter Code. Do this twice. You can also press the Home Key once or twice, until you're provided with a number pad, then enter your valid 4 digit code.
View Alarm Grid’s video; Honeywell 5800C2W: Fixing a Cover Tamper https://www.alarmgrid.com/videos/honeywell-5800c2w...
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