Operation Manual
GENERAL MAINTENANCE
CLEANING YOUR NEST PROTECT
Use a damp cloth to clean your Nest Protect.
Don’t clean it with detergents or solvents and
do not spray air fresheners, hair spray or other
aerosols near it. These chemicals will damage
your smoke alarm and make it non-operational.
Cleaning fluids, polishes, paints, cooking
operations may affect the reliability of the smoke
alarm. Do not disassemble your Nest Protect
or clean inside it. If a continuous alarm occurs,
return for servicing. Do not get water inside the
alarm. Do not paint over Nest Protect, as paint
will seal the vents and affect its ability to detect
smoke and CO.
RESETTING NEST PROTECT
You can reset Nest Protect to erase all your
settings and reset the wireless interconnection
between Nest Protects. You may want to do this
before you move to a new house. After resetting
Nest Protect, it will still detect smoke and
carbon monoxide.
To reset, refer to the complete instructions on
nest.com/uk/protect/reset
SOFTWARE VERSION
Follow these steps to check the Nest Protect
software version:
1. Press and hold the button for at least 10
seconds.
2. You’ll hear Nest Protect play a tone, then it
will announce the software version number.
3. Let go of the button.
4. If you want to keep the current settings, press
again to cancel erasing all settings.
You can also review the software version
from the Nest App by checking the technical
specifications of Nest Protect.
BACKUP BATTERY
3 AA Energizer® Ultimate Lithium batteries
(L91). These backup batteries can be purchased
from your local retailer.
Nest Protect will let you know its backup
batteries are getting low before they need to
be replaced. Instead of lighting up green during
Nightly Promise, it’ll glow yellow. Once you
press the Nest button, Nest Protect will say,
“The battery is low. Replace it soon.”
In case of power outage, Nest Protect uses
long-life backup lithium batteries designed to
last multiple years of operation. Battery life
depends on usage.
WARNING
Use only batteries specified by Nest.
Use of a different battery model will have
a detrimental effect on the smoke alarm
operation. The alarm may not operate
properly with other batteries. Never use
rechargeable batteries since they may not
provide a constant charge.
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