La Crosse Technology 513-1918S Faq Download Page 4

La Crosse Technology, Ltd 

Page 4 

Freezer test: Confirm the atomic clock 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 atomic clock. 

Indoor distance test: Please complete the 

Restart 

with remote sensor and atomic clock 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 atomic

clock.

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.

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 atomic clock.

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 18 months when using reputable battery brands.

Remote sensor fell. The sensor no longer works 

Explanation: If there is no physical damage to the remote sensor, the fall may not have 

caused internal damage. A fall can shock the remote sensor or the batteries in the remote 

sensor. Batteries that have fallen on a hard surface may be damaged and unable to 

function properly. 

Complete a 

Restart

 with fresh batteries.

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.

Note: A remote sensor that has fallen into puddle, snow, or other standing water, will likely 

have water damage and need to be replaced. Remote sensors are water resistant, not 

waterproof. 

Summary of Contents for 513-1918S

Page 1: ...The sensor no longer works 4 Mounting Positioning Remote sensor 5 Fahrenheit Celsius 6 Supported Time Zones 6 Dashes HHH LLL or Stuck Indoor Temperature 6 Does the clock have a backlight 6 Time is off by hours 6 Daylight Saving Time 6 Manually Set Time Date Program Menu 7 No WWVB Tower Icon 8 Set Time Alarm 8 Activate Deactivate Time Alarm 8 Snooze Alarm 8 Custom Date Display 8 Digital clock has d...

Page 2: ...issue Factory Restart 1 Remove all power from outdoor sensor and clock 2 Press one of the buttons on the clock at least 20 times to clear all memory 3 Verify that the clock 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 fresh batteries into the outdoor sensor then into...

Page 3: ...issue Low remote temperature readings are power related or a sensor going bad The remote sensor reads the environment where it is mounted When mounted inside the home it will read inside temperature When the remote sensor reads high during the day but not at night it is a positioning problem Look for heat sources such as sunlight door or window frames or reflected heat Side by side test Place the ...

Page 4: ...Replace remote sensor 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 atomic clock Remote sensors at the end of the range may work while batteries are fresh but not after they ...

Page 5: ... box for the remote sensor Be sure a box has vents Mount the remote sensor on the North side where to prevent sun from causing incorrect readings Mount at least 6 feet in the air for a strong RF radio frequency signal Do not mount the remote sensor on a metal fence This significantly reduces the effective range Remote sensors are water resistant not waterproof Indoor or Outdoor Mount remote temper...

Page 6: ...s Insert fresh alkaline batteries with correct polarity If the indoor temperature is still dashes or HHH LLL the digital clock may need replacement Does the clock have a backlight No as this clock is battery operated there is no backlight Time is off by hours Check to see if the WWVB Tower icon appears on the atomic digital clock If not the digital clock has not received a WWVB time signal in the ...

Page 7: ...Colorado and leave for up to five nights If you do not have a window facing this direction position the clock near an outside wall and point the unit in this general direction Manually Set Time Date Program Menu There are seven function buttons SNOOZE ALARM SET PLUS MINUS 1 Hold the SET button 2 seconds to enter settings mode 2 Press the or button to adjust the flashing values 3 Hold the or button...

Page 8: ...Press SET to confirm and move to the temperature unit TEMP F will show F will flash Press the or button if you prefer C Celsius 12 Press SET to confirm and exit No WWVB Tower Icon The digital clock has not received a WWVB time signal in the past 24 hours Position the digital clock for better reception Press and release the PLUS button to send the digital clock on a WWVB signal search at night Allo...

Page 9: ...ave the batteries out of the display for 2 hours Insert batteries into the digital clock Digital clock is blank No letters numbers or dashed lines Check that the batteries are installed correctly Batteries may be overpowered or underpowered Remove batteries from digital clock Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into the digital clock Day of...

Page 10: ...led correctly This is generally a power related issue Batteries may be overpowered or underpowered Remove batteries from digital clock Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into the digital clock Looking for dependable RV electronics Rely on La Crosse Technology for quality and long lasting products ...

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