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8. Error Messages and Trouble-Shooting
Display / Problem Display Meaning Possible cause and remedy
Measured temperature too high
CAUTION: High fever requires
immediate medical attention!
Displays «ERR with °C» when
measured temperature higher
than 42.2°C.
Measured temperature too low Displays «ERR with °C» when
measured temperature lower
than 34°C.
Room temperature too high Displays «ERR» when room
temperature is higher
than 40°C.
Room temperature too low Displays «ERR» when room
temperature is lower
than 16°C.
Error function display When system has a malfunction.
Blank display Please check if the battery
has been loaded correctly. Also
check polarity (<+> and <–>) of
batteries.
Dead battery indication If the steady battery icon is
the only symbol shown on the
display, the battery should be
replaced immediately.
9. Care and Cleaning
Use an alcohol swab or cotton swab moistened with alcohol
(70% Isopropyl) to clean the thermometer casing and the
measuring probe. Ensure that no liquid enters the interior of
the thermometer. Never use abrasive cleaning agents,
thinners or benzene for cleaning and never immerse
the instrument in water or other cleaning liquids. Take
care not to scratch the surface of the LCD by replacing the
protective cap after use.
10. Replacing the Battery
• If the Low Battery indicator appears on the display, it is time to
replace your batteries. The thermometer takes two AAA batteries.
• Slide open the battery cover as shown and remove batteries.
Replace the batteries being sure to align properly as indicated
inside the battery compartment.
To protect the environment, dispose of empty
batteries as appropriate collection sites according
to national or local regulations.
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