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La Crosse Technology, Ltd. Page 4
 When the sensor reads high during the day, but not at night, it is a positioning
problem.
 Side-by-side test: Bring the outdoor sensor in the house and place it next to
the Temperature Station for 2 hours.
 Compare indoor and outdoor temperature. The temperatures should be within 4
degrees to be within tolerance.
 If the sensor reads correctly when next to the Temperature Station, then try a
different location outside.
 Look for heat sources such as sunlight, door or window frames, or reflected
heat.
Intermittent Outdoor Temperature
 RF (radio frequency) communication may come and go occasionally. This can be
normal in some environments (e.g. moister climates). If sensor signal is lost,
please wait 2-4 hours for the signal to reconnect on its own.
 Check channels. You may be reading the sensor on a different channel. This can
happen if more than one sensor is in the area and the station lock into a distant
sensor first.
 Move the outdoor sensor to a closer location.
 Freezer test: Confirm the Temperature Station is reading the correct outdoor
sensor. Place the sensor in the freezer for an hour and watch the temperature
drop on the Temperature Station.
 Indoor distance test: Please complete the Restart with sensor and
Temperature Station 5-10 feet apart and inside to establish a strong connection.
 If there is a reading in the outdoor temperature area after 15 minutes, move the
sensor to another room with one wall between the sensor and the Temperature
Station. Observe to see if the temperature remains on consistently for 1 hour.
 If the temperature remains on while in the house, then it is likely a
distance/resistance issue. Move the sensor to different locations outside to find a
location where the temperature reading will hold.
 Distance/Resistance can cause loss of sensor signal.
 Check Batteries.
Outdoor Temperature is stuck or OFL.
 Check Batteries. Overpowered or underpowered batteries can cause this
reading.
 Replace outdoor sensor.
Outdoor sensor fell, now the sensor does not work.
 If there is no physical damage to the outdoor sensor, the fall may not have
caused internal damage.
 A fall can shock the sensor or the batteries in the sensor. Batteries that have
fallen on a hard surface may be damaged and unable to function properly.
 An outdoor sensor that has fallen into a puddle, snow, or other standing water,
it may have water damage.
 Sensors are water resistant, not waterproof.
 Complete a Restart with fresh batteries.
 Use Batteries dated at least six years in advance of the current year.