9
Table 1. Sensor - Three Color Descriptions
Function
Color
Description
If there are more than two conditions are active
simultaneously, for example low battery and weak signal,
the light will alternate back and forth between blue and
red in one (1) second intervals.
See
"Smart Devices Thermostat Alert Codes" on
for a complete list of alerts applicable to
the Smart Room Sensor and Wireless Extender that
are generated by the Lennox S40 Smart Thermostat.
B
attery
P
ower
Two lithium batteries are pre-installed. Removing the
battery insulation tape will allow the smart room sen-
sor to be powered up.
IMPORTANT
When replacing the batteries, use ONLY lithium
batteries. Using any other type of battery is not
recommended and will reduce operational duration
significantly.
Wireless Extender
Pairing Button
Prongs
View area
for LED
Keyhole Factory Reset button (recessed)
Figure 2. Wireless Extender Buttons
and Light Indicator
L
ight
i
ndicators
NOTE:
The light on the device is only on when
there is an issue with signal strength or dur-
ing pairing mode.
See
"Smart Devices Thermostat Alert Codes" on
for a complete list of alerts applicable to
the device that are generated by the S40 thermostat.