How it Works
La Crosse
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S88907
Instruction Manual
16 pgs473.04 Kb0
User Manual
12 pgs219.85 Kb0

La Crosse S88907 User Manual

S88907 FAQS
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CONT E N T S
Quick Connect ..................................................................................................................... 3
Compatible Remote sensors ............................................................................................. 3
Remote Temperature Signal Strength ............................................................................ 3
Dashes show for Remote Temperature ........................................................................... 3
Power Requirements .......................................................................................................... 3
Inaccurate Remote Temperature Reading ...................................................................... 3
Intermittent Remote Temperature .................................................................................. 4
Remote Temperature is stuck or HH.H, LL.L .................................................................. 4
Remote sensor drains batteries quickly .......................................................................... 4
Remote Humidity goes to dashes when temperature is cold. ..................................... 5
Remote sensor fell. The sensor no longer works .......................................................... 5
Temperature/Humidity Trend Arrows .............................................................................. 5
MIN/MAX Temperature readings ...................................................................................... 5
Heat Index/Dew Point ........................................................................................................ 6
Mounting/Positioning Remote sensor .............................................................................. 6
Position Weather Station ................................................................................................... 7
Distance/Resistance/Interference .................................................................................... 7
Temperature Alerts ........................................................................................................ 8
Power Requirements .......................................................................................................... 8
12-Hour or 24-Hour time format ..................................................................................... 8
Fahrenheit/Celsius .............................................................................................................. 9
Backlight ............................................................................................................................... 9
Dashes, HH.H, LL.L or stuck Indoor Temperature/Humidity ....................................... 9
Inaccurate Indoor Temperature Reading ........................................................................ 9
Set Time Alarm.................................................................................................................... 9
Activate/Deactivate time alarm ........................................................................................ 9
Snooze Alarm .....................................................................................................................10
No WWVB Tower Icon .......................................................................................................10
Time is off by hours ...........................................................................................................10
La Crosse Technology, Ltd. www.lacrossetechnology.com/support Page 1
Manually Set Time/Date: Program Menu .....................................................................10
Forecast Icons Inaccurate ................................................................................................11
Weather station is dim ......................................................................................................11
Weather station has distorted or frozen display ...........................................................11
Weather station is blank: No letters, numbers or dashed lines ................................12
Weather station drains batteries quickly .......................................................................12
Weather station has missing segments .........................................................................12
AC Power
The design of this weather station is to use AC power (5-volt) as primary power source. When operating with the AC power cord, the backlight can be on continually. When operating on AC power, batteries are optional and are not required in the weather
station.
The backlight will turn off or operate at high or low intensity at your discretion.
Batteries
Explanation: Many problems are resolved with fresh batteries of the appropriate voltage.
Many items sent in under warranty work when tested with fresh batteries. Batteries manufactured this year will have an expiration date 10 years (or more) 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.
Use Alkaline or Lithium batteries in the remote sensor. A minimum voltage of 1.48V for each battery is necessary for proper performance. 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.
Good name brand batteries make less noise, which reduces the chance of RF (radio
frequency) interference from the battery compartment.
Weather Station Factory Restart
Explanation: The factory restart returns the weather station and remote sensor to an “out-
of-the-box” default state and often resolves an issue.
Factory Restart:
1. Remove all power (batteries and AC) from remote sensor and weather station.
2. Press one of the buttons on the weather station at least 20 times to clear all memory.
3. Verify that the weather station is blank before proceeding (there may be lines painted on
the screen that will show when there is no power).
4. Leave both units without power for 15 minutes (very important).
5. Insert the AC power cord into the wall outlet then into the weather station.
6. Insert fresh batteries into the remote sensor.
7. Press the TX button on the remote sensor to transmit RF signal.
8. Keep the remote sensor 5-10 feet from the weather station.
9. When RF connection is established, the temperature will appear on the station. Allow the
remote sensor and weather station to sit together for 15 minutes to establish a strong connection.
10. Do not press buttons for 15 minutes. For optimum 433MHz transmission, place the remote sensor no more than 200 feet (60
meters, open air) from the weather station.
See the section on mounting and distance/resistance/interference for details on
mounting the remote sensor.
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Quick Connect
Explanation: Use the quick connect for a weather station and remote sensor that have been working but lost connection due to interference or low batteries. This is not the same as a thorough factory reset.
1. Bring the remote sensor and weather station together inside, and place the units 5-10
feet apart with nothing between them.
2. Hold the HEAT/DEW button for 5 seconds. The remote temperature area will flash.
3. Remove battery cover from the remote sensor and press and release the TX button to
send the signal.
4. Wait for 2 minutes for the remote temperature to appear on the weather station.
Factory Restart: If the above procedure does not work, please try the factory reset.
Remote Temperature Sensor
Compatible Remote sensors
The TX141TH-Bv2 remote sensor comes packaged with this weather station. The TX141TH-A, TX141TH-Av2 and TX141TH-B (433MHz) remote sensors are
compatible with this weather station.
Remote Temperature Signal Strength
Explanation: The weather station will search for the remote temperature/humidity sensor for 3 minutes after installing batteries or after holding the HEAT/DEW button for 3 seconds.
The antenna symbol will flash during reception. The temperature display will be dashes “---“. If synchronization fails once, the antenna will lose one bar. If synchronization fails twice, the antenna will lose two bars. If RF (radio frequency) reception fails five times, the antenna symbol will show without
bars.
The antenna will show full display with successful RF (radio frequency) reception.
Dashes show for Remote Temperature
Explanation: Dashes mean the connection is lost between the weather station and the remote sensor.
Batteries often resolve the connection. Distance/Resistance can cause loss of connection between the remote sensor and the
weather station.
Turn the weather station 90 degrees towards the remote sensor to provide better
reception. This allows more antenna surface to face the remote sensor signal.
Try the quick connect or factory restart.
Power Requirements
2-AA batteries power the remote sensor. We recommend Alkaline batteries for the remote sensor. You may choose to use Lithium batteries for temperatures below -20°F/-28.8°C.
Inaccurate Remote Temperature Reading
Explanation: High remote temperature readings are generally a location issue. Low remote temperature readings are power related or a sensors going bad.
The remote sensor reads the environment where it is mounted. When mounted inside
the home, it will read inside temperature/humidity.
When the remote sensor reads high during the day, but not at night, it is a positioning
problem.
La Crosse Technology, Ltd. www.lacrossetechnology.com/support Page 3
Look for heat sources such as sunlight, door or window frames or reflected heat.
Side-by-side test: Place the remote sensor right next to the weather station for 2 hours.
Compare indoor and remote temperature. The temperatures should be within 4 degrees
to be within tolerance.
If the remote sensor reads correctly when next to the weather station, try a different
location outside.
Intermittent Remote Temperature
Explanation: Intermittent problems are the hardest to resolve. RF (radio frequency) communication may come and go occasionally. This can be normal in some environments (e.g. moister climates). If remote sensor signal is lost, please wait 2-4 hours for the signal to reconnect on its own.
Move the remote sensor to a closer location. Distance/Resistance can cause loss of remote sensor signal. Check Batteries.
Freezer test: Confirm the weather station is reading the correct remote sensor (not a neighbor’s sensor). Place the remote sensor in the freezer for an hour and watch the temperature drop on the weather station.
Indoor distance test: Please complete the Restart with remote sensor and weather station 5-10 feet apart and inside to establish a strong connection.
After 15 minutes, if there is a reading in the remote temperature area, move the remote
sensor to another room with one wall between the remote sensor and the weather 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 remote sensor to different locations outside to find a location where the
temperature reading will hold.
Remote Temperature is stuck or HH.H, LL.L
Explanation: These symbols are error messages indicating the remote sensor is outside of its readable range.
Check Batteries. Overpowered or underpowered batteries can cause this reading. Replace remote sensor.
Note: The last remote reading may remain (not change) for several hours when connection is lost. The remote temperature reading will flash when the connection is first lost or intermittent.
Remote sensor drains batteries quickly
Test a new set of alkaline batteries. Write down the date of installation and the voltage
of the batteries.
When the batteries fail, please note the date and voltage again. Check the distance and resistance between the remote sensor and weather station.
Remote sensors at the end of the range may work while batteries are fresh but not after they drain a bit.
Check for leaking batteries, which may damage the remote sensor. Battery life is over 24 months when using reputable battery brands for both Alkaline and
Lithium batteries.
La Crosse Technology, Ltd. www.lacrossetechnology.com/support Page 4
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