Changing The Batteries (T3 & T3R Only) - Honeywell T3 User Manual

Changing the Batteries (T3 & T3R only)
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The Thermostat is powered by 2 x AA
batteries, although a battery icon is not
shown on the display during normal use.
The only time you will see the battery
icon is when they get low on power.
• is displayed when battery power has
reached approximately 10% - you should
be prepared to change them soon.
• + will flash when battery power
has become critically low - you should
change them immediately to make sure
there is no disruption to your heating
system.
• Replace with 2 new 1.5V LR6 AA
Alkaline batteries only - which should
last approximately 2 years depending on
Thermostat use.
Please help to protect the environment by recycling old
batteries in accordance with local regulations.
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