Maintenance - Honeywell Lyric W1 Installation Instructions Manual

Maintenance

Your detector requires no maintenance and the battery life should
be approximately three years if using the correct batteries. Battery
life might be shorter due to a number of factors (e.g., extreme
cold or heat, multiple cable sensors, alert activity, frequency of
status updates).
If you have problems with your detector, consult "Frequently
Asked Questions" on page 22.
In case of an alert, address the cause of the alert, then wipe
dry the detector and cable sensor and put them back in place.
Replace batteries if they were removed to silence the alert.
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For help, go to getconnected.honeywell.com