Question about La Crosse Radio Controlled Atomic Clock

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La Crosse atomic clock model #WT-3143

Radio controlled atomic clock was running 15 minutes behind.  I replaced with new battery, pushed PT (Pacific Time) then nothing, nada, zilch. Pressed the reset button - it moved to 12:00, then nothing. Took battery out, put it back in - pressed PT again...still waiting. Any idea on how long it takes the radio controller to sync with the clock?

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  • Anonymous Nov 13, 2007


  • Barry Iorillo Apr 24, 2013

    No this is not the problem I had with my radio!!!! this is a clock

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    resetting Sharp Atomic Clock model SPC364

  • Anonymous Mar 24, 2014

    How many battery compartments are there and location of these on sioscan atomic clock model 86722



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Don't push any buttons at all untill the clock has at least 15 minutes to communicate with the transmitter.

Posted on Feb 17, 2008


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Hands rotate endlessly onatomic clock wt 3143

If you have not talked to La Cross and if you continue to have the problem, most likely it may be a signal problem. I had a similar
problem with an earlier model and found that it only worked on
the west facing wall as the signal is coming from WWVB which is the NISTtime signal radio station near Fort Collins, Colorado. Get a fresh battery, reset the clock, put it in a west facing window and leave it overnight. If it doesn't work, contact La Cross as above post.

Dec 12, 2014 | La Crosse Radio Controlled Atomic Clock

1 Answer


Check both of these

  • Daylight Saving Time Automatically Updates (DST) (On/Off Option) applies to both USA and UK

  • U.S. Time Zone Selection: Eastern, Central, Mountain, Pacific (applies to USA only)

  • Mar 15, 2011 | La Crosse Radio Controlled Atomic Clock

    1 Answer

    I have a La Crosse wall clock, model WT-3102. It stopped running so I replaced the battery. The clock immediately moved to 4:00 and stopped. I left it overnight but it didn't move. I removed the...

    Sounds like it is not picking up the radio signal.
    Try placing it in a window overnight where the radio signals do not get obstructed.


    Please dont forget to vote this answer was helpful.

    Many thanks


    Mar 03, 2011 | La Crosse Radio Controlled Atomic Clock

    1 Answer

    It looses time and the radio controlled feature does not bring it back to the correct time. I put in a new battery and it still happens. It is a La Crosse Technology Radio Controlled clock Model:WT-3101

    When the battery is installed the second hand will advance eight seconds (2 seconds per step x 4 steps). The clock is now searching for a signal. For the initial setting it is recommended to stand the clock in an upright position near a window. Within five minutes the clock will either receive the WWVB signal and set itself to the exact time, or it will determine that the signal is not receivable at its current location and time of day. If a signal is not receivable it will fast-forward the hands to the 4, 8, or 12 o'clock position and search for WWVB each hour until a signal is received. If the time is manually set the clock will continue to periodically search for a signal and automatically reset the hands when the signal is received.

    Jan 24, 2011 | La Crosse Radio Controlled Atomic Clock

    1 Answer

    My LaCrosse radio-controlled WT 3144 clock is ticking very fast! The minute hand takes 8 sconds to make 1 complete rotation. The second hand ticks in place every second. During this moment the minute hand...

    I'd say you have a lemon.


    For warranty work, technical support, or information contact:

    La Crosse Technology, Ltd

    2809 Losey Blvd. S.

    La Crosse, WI 54601

    Phone: 608.782.1610

    Fax: 608.796.1020


    (warranty work)

    (information on other products)


    Oct 26, 2010 | La Crosse Radio Controlled Atomic Clock

    1 Answer

    We have an atomic clock with calendar and temptature on it. We changed the battery and it is now on Eastern time zone, not Pacific time zone. How do we set it? It is La Crosse Technology Radio Model #...

    Press and hold the SET key for 5 seconds. Press set key repeatedly until TZ is displayed on the bottom. Use the "+" key to set the time zone. -8 is for Pacific Time Zone, it will display -8 PST in the display. Press set to go to the DST setting, and so on until you've cycled through the options.

    Feb 20, 2010 | La Crosse Radio Controlled Atomic Clock

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