Question about 3M Measuring Tools & Sensors
The batteries in each part (indoor and outdoor) have been replaced. When outdoor unit is right next to the indoor unit, it will register the temp. When it is moved 6 feet away the temp disappears within a minute or two.
Posted by Anonymous on
I have experienced the same with numerous different, "quote un quote" atomic clocks! Please don't forget that this sender unit, that goes outside, generates a RF Singal to be received by the clock inside. This unit transmits a signal 433 MHz signal approximately every. 3 minutes, and after so many years the sender unit's RF section(electronics) just goes out or no longer function properly or not at all! The transmitter/sender for this model number, according to "3M" is obsolete and can no longer be furnished, DRATTS !!!!!
Posted on Dec 02, 2014
I'm having the same problem and can't find an answer. Seems this also happened with another model we had - planned obsolescence? It was working fine, flashing due to low battery. Now, nothing from outside. Annoying.
Posted on Oct 18, 2010
You must move the remote sensor close to the base unit to reset it and it will work fine. After it shows the temp then you can move it back to its location. thanks for asking at Fixya.com.
Posted on Dec 02, 2010
The manual for the thermometer is available on the LaCrosse site: http://www.lacrossetechnology.com/7034twcit/index.php . The direct link is http://www.lacrossetechnology.com/7034twcit/manual.pdf .
Put the batteries in the remote(s) first. (If you need to reset the units, pull the batteries from the indoor temperature sensor and the remotes for 10 minutes before restarting.) With the remotes and indoor sensor 3 to 5 feet apart, put the batteries in the indoor temperature sensor. Then wait 10 minutes before pressing any buttons. Once you have confirmed communication between the units, then move the remotes to their final location (not more than 330 feet away minus 30 feet for external walls or windows and 20 feet for each internal wall between the units.)
I hope this helps.
Posted on Jul 08, 2011
I found this in the manual, simply pressing the RESET button won't start communication again. Try this:
Your main unit displays current, minimum, and
maximum temperature and humidity readings
collected by the remote sensor and main unit.
Outdoor data is collected and displayed every
40 seconds and indoor data is collected and
displayed every 10 seconds.
The red LED flashes whenever the sensor
transmits an RF signal to the receiver.
select sensor or use auto scan
• Press CHANNEL to switch between
• To auto-scan between sensors, press and hold
CHANNEL for 2 seconds. Each sensor's data
will be displayed for 3 seconds. To end autoscan,
press CHANNEL or MEMORY.
• Press and hold CHANNEL and MEMORY
simultaneously to search for remote sensors.
resetting the system
The RESET buttons are located on the back of the
main unit and sensor. Use a pointed subject to
press RESET when you change the batteries and
whenever the system malfunctions.
Posted on Jul 13, 2011
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