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La Crosse Technology
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WS-9009-IT
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La Crosse Technology WS-9009-IT Information

WS-9009-IT FAQS
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Contents
Compatible Outdoor Transmitters ........................................................................................... 2
Power Requirements .............................................................................................................. 2
Dashes shown for Outdoor Temperature ................................................................................ 3
Inaccurate Outdoor Temperature Reading ............................................................................. 3
Intermittent Outdoor Temperature .......................................................................................... 3
Outdoor Temperature Shows OFL .......................................................................................... 3
Outdoor Temperature Changes Constantly ............................................................................ 3
Outdoor transmitter fell and no longer works .......................................................................... 4
Outdoor Transmitter Drains Batteries Quickly ......................................................................... 4
Fahrenheit/Celsius.................................................................................................................. 4
MIN/MAX Temperature Readings ........................................................................................... 4
Mounting/Positioning Outdoor Transmitter .............................................................................. 5
Position Temperature Station ................................................................................................. 5
Distance/Resistance/Interference ........................................................................................... 5
Power Requirements .............................................................................................................. 6
Dashes, OFL or Stuck Indoor Temperature/Humidity ............................................................. 6
Inaccurate Indoor Temperature Reading ................................................................................ 6
Temperature Station has missing segments ........................................................................... 6
Temperature Station is dim ..................................................................................................... 7
Temperature Station has distorted display .............................................................................. 7
Temperature Station display is frozen..................................................................................... 7
Temperature Station is blank: No letters, numbers or dashed lines ........................................ 7
Temperature Station drains batteries quickly .......................................................................... 7
La Crosse Technology, Ltd. Page 1
Batteries
Half of all warranty issues can be resolved with fresh batteries of the appropriate voltage. We suggest name brand alkaline batteries for indoor displays such as temperature stations. Use batteries dated at least six years in advance of the current year. Batteries dated earlier
than six years from now may still work, but may be unstable in performance.
Alkaline batteries manufactured this year will have an expiration date 10 years in the future.
Battery technology has improved and batteries will maintain voltage longer in storage. However, the environment the batteries reside in for the 10 years can deplete the power.
Good name brand batteries make less noise, which reduces the chance of RF (radio
frequency) interference from the battery compartment. A minimum voltage of 1.48V for each battery is necessary for proper performance.
Outdoor Transmitters: Use Alkaline batteries (or Lithium for temperatures below - 20°F/-
28.8°C)
Temperature Station: Use alkaline batteries. Overpowered or underpowered batteries may
cause loss of indoor readings, missing segments, dim display etc.
Temperature Station Factory Restart
FACTORY RESTART: RESTART DISTANCE: For best results please bring the outdoor transmitter in the house
and place 5-10 feet from the display unit.
REMOVE POWER: Remove batteries from the transmitter and from the temperature station. DISCHARGE ELECTRICITY: With the power removed, press one of the buttons on the
display at least 20 times to clear all memory. Please do this even if the display is blank to remove any random electricity. Verify the display is blank.
UNPOWERED FOR 15 MINUTES: Let the temperature station and transmitter rest without
batteries for 15 minutes.
IMPORTANT: Failure to allow a temperature station to rest for 15 minutes can result in
failure to connect with the outdoor transmitter or missing segments on the display. Note: The instruction manual describes a setup for a new unit that has not had time to build up residual electricity.
BATTERIES: Please be sure you are using fresh batteries testing to a minimum of 1.48, on
a voltmeter that reads in numbers.
TRANSMITTER: Place batteries into the outdoor transmitter first. Make sure batteries are
installed according to the diagrams in the battery compartment.
TEMPERATURE STATION: Install batteries into the temperature station according to the
diagram in the battery compartment.
CONNECTION: Allow the transmitter and display to remain 5 feet apart for 15 minutes to
establish a strong connection. Do not press buttons at this time. You should see a reading on the outdoor temperature area in the first minute.
See the section on mounting and distance/resistance/interference for details on mounting
the outdoor transmitter.
Outdoor Temperature Transmitter
Compatible Outdoor Transmitters A TX38U-IT outdoor transmitter is compatible with this Temperature Station. Power Requirements
2-AAA batteries power the outdoor transmitter. We recommend alkaline batteries for the transmitter.
La Crosse Technology, Ltd. Page 2
Dashes shown for Outdoor Temperature Dashes means the connection is lost between the Temperature Station and the outdoor
transmitter.
Batteries often resolve the connection.  Distance/Resistance can cause loss of connection between the transmitter and the
Temperature Station.
Reorientation of the Temperature Station 90 degrees towards the outdoor transmitter may
provide better reception.
Complete a factory restart. Inaccurate Outdoor Temperature Reading The outdoor transmitter reads the environment. When mounted in the home it will read
inside temperature.
When the transmitter reads high during the day but not at night it is a positioning problem. Side-by-side test: Bring the outdoor transmitter 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 transmitter 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 transmitter signal is lost, please wait 2-4 hours for the signal to reconnect on its own.
Move the outdoor transmitter to a closer location. Freezer test: Confirm the Temperature Station is reading the correct outdoor transmitter.
Place the transmitter in the freezer for an hour and watch the temperature drop on the Temperature Station.
Indoor distance test: Please complete the Restart with transmitter and Temperature
Station 5-10 feet apart and inside to establish a strong connection.
After 15 minutes if there is a reading in the outdoor temperature area, move the transmitter
to another room with one wall between the transmitter and the Temperature Station. Observe to see if the temperature remains on consistently for 1-hour.
If the temperature remains while in the house then it is likely a distance/resistance issue.
Move the transmitter to find a location where the temperature reading will hold.
Distance/Resistance can cause loss of transmitter signal. Check Batteries.
Outdoor Temperature Shows OFL
OFL stands for Outside Factory Limits. The outdoor transmitter is sending and the Temperature Station is receiving the signal. Check Batteries. Overpowered or underpowered batteries can cause this reading. Replace outdoor transmitter.
Outdoor Temperature Changes Constantly
You may have an additional compatible outdoor transmitter within range. Occasionally a neighbor will have a compatible outdoor transmitter that is within range.
La Crosse Technology, Ltd. Page 3
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