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Troubleshoot & FAQ

Choosing a read-out mode (Fahrenheit or Celsius):

  1. Press the trigger to power the thermometer on.
  2. Once "Lo" is displayed, press and hold the "SET" button until 'F-1' appears for a brief second, followed by '0.1'; you can now release the "SET" button.
  3. Press the "SET" button two times until "F-3" is displayed.
  4. While "F-3" is displayed, use the up or down arrow buttons to change from °F (Fahrenheit) or °C (Celsius).
  5. Press the "SET" button two times until the thermometer powers off to save your settings.

 


 

Thermometer does not power on after pressing the measurement/trigger button

  • The batteries are most likely out of power. Please replace with a new set of AAA alkaline batteries.
  • After installing new batteries, double check to see if they are installed into the correct position.

 


 

Temperature reading is low

  • During the temperature measurement, you must remain still.
  • Keep away from any airflow that may disrupt the measurement.
  • Take measurements 1-2 inches away from the center of the forehead.

 


 

"ErrE" error code

  • EEPROM malfunction; please contact support at (800) 467-6408.

 


 

"Err" error code

  • Connectivity issue with the sensor; please contact support at (800) 467-6408.

 


 

"HI" code indication

  • Temperature is greater than 108 °F (42.2 °C) on "Body" mode.
  • Temperature is greater than 176 °F (80 °C) on "Surface" mode, or environmental temperature is beyond the maximum range.

 


 

"Lo" code indication

  • Temperature is less than 89.6 °F (32.0 °C) on body mode.
  • Temperature is less than 32.0 °F (0 °C) on object mode, or environmental temperature is beyond the minimum range.

 


 

"ErH" error code

  • The ambient temperature is too high.

 


 

"ErL" error code

  • The ambient temperature is too low.

 


 

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