25
Troubleshooting Guide
App FAQ
If the App... Problem... You Should...
Is unable to be downloaded or installed.
You cannot download or install the app.
(Only works with iOS devices,
not supported by Android).
Contact Customer Service Team.
Alarm FAQ
If the Alarm... Problem... You Should...
Light flashes yellow and Horn sounds
three “chirps” every minute. Voice:
“Detector error. Please see manual or
call customer service” every 5 hours.
Malfunction Signal. Device is not working
properly and needs to be replaced.
Units under warranty should be returned
to manufacturer for replacement. See
“Limited Warranty” for details.
Horn sounds 3 “chirps” every minute.
End of Life Signal. Alarm
needs to be replaced.
Immediately replace and
deactivate the alarm.
Does not connect to your Wireless
/ Bluetooth or opportunity
missed for pairing.
Alarm will not pair or you would like to
reset the device to clear all settings.
Press the test button 5 times
to reset alarm and try to pair to
Wireless and Bluetooth again.
Horn sounds 1 “chirp” every minute. Low Battery. Replace battery in Alarm.
Immediately replace the battery,
you can order replacement batteries
at www.firstalertstore.com.
Carbon Monoxide Alarm ONLY:
CO Alarm goes back into alarm 4
minutes after you Silence it.
CO levels indicate a potentially
dangerous situation.
If you are feeling symptoms of CO
poisoning, evacuate your home and
call 911 or the Fire Department. Refer
to “What To Do If the CO Alarm
Sounds” on page 11 for details.
CO Alarm sounds frequently even
though no high levels of CO are
revealed in an investigation.
The CO Alarm may be improperly
located. Refer to “Where to
Install” on page 6 for details.
Relocate your Alarm. If frequent alarms
continue, have home rechecked for
potential CO problems. You may be
experiencing an intermittent CO problem.
Smoke Alarm ONLY:
Smoke Alarm sounds when
no smoke is visible.
Unwanted alarm may be caused by non-
emergency source like cooking smoke.
Silence alarm on App or using unit
button; clean the alarm’s cover with a
soft, clean cloth. If frequent unwanted
alarms continue, relocate your alarm.
Alarm may be too close to kitchen,
cooking appliance, or steamy bathroom.
NOTE: This alarm contains new Wireless and HomeKit technology that is not wirelessly compatible with previously branded Onelink wireless alarms.
If you have questions that cannot be answered by reading this manual, contact the Customer Service Team at onelinksupport@firstalert.com or 1 (833) ONE-LINK (1-833-663-5465)
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