User's Guide

21
GENERAL MAINTENANCE
YELLOW pulses. Low battery. Change Nest Protect’s
batteries now.
“THE BATTERY IS LOW IN
THE [ROOM NAME].
REPLACE THE BATTERY
NOW.” Single chirp
every 60 seconds.
Nest Protect has tested
its sensors, and there is
a problem.
Clean according to
instructions on page 16.
If the problem persists,
replace Nest Protect.
“THE SENSORS HAVE
FAILED IN THE [ROOM
NAME]. REPLACE NEST
PROTECT NOW.” Single
chirp every 60 seconds.
Nest Protect has expired
and reached the end of
its life.
Replace Nest Protect now.
“NEST PROTECT HAS
EXPIRED. REPLACE NEST
PROTECT NOW.” Two
chirps every 60 seconds.
There’s a problem with
Nest Protect’s siren.
Replace Nest Protect now.
“NEST PROTECT CANNOT
SOUND THE ALARM IN
THE [ROOM NAME].” Two
chirps every 60 seconds.
YELLOW pulses. Change Nest Protect’s
batteries soon.
Low battery.
“THE BATTERY IS LOW IN
THE [ROOM NAME].
REPLACE THE BATTERY
SOON.”
YELLOW pulses.
YELLOW pulses.
WHAT YOU HEAR WHAT IT MEANS WHAT TO DOWHAT YOU SEE
GENERAL MAINTENANCE
YELLOW pulses.
WARNING
• The alarm will not operate without
battery power. The alarm cannot work
until you install the batteries in the
correct position (Match + to +, and - to -).
• This device contains lithium batteries. If
tampered with, the battery may be short
circuited and create a risk of fire. Never
attempt to open or damage the alarm.
• Replace all batteries at once and only use
new, unused batteries as replacements.