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9. Error Messages
Display Problem
* Caution: High fever requires immediate medical attention!
Display Meaning
Measured Temperature too
high
Measured Temperature
too low
Room temperature too
high
Room temperature too low
System malfunction
Blank display
Low battery indication
1
Possible Cause &
Remedy
Measured temperature higher
than 108.0 °F or 42.2 °C.
*Caution!
Measured temperature lower than 32
°C or 89.6 °F. See section 7 for
proper technique.
Displays "H" in conjunction with the
"
" when room temperature is
higher than 40.0 °C or 104.0 °F.
Display "L" in conjunction with the
"
" when room temperature is
lower than 10.0 °C or 50.0 °F.
Check battery. Possible damage
from dropping or getting wet.
Dead battery?
Check battery polarity.
( + and - )
Battery should be replaced
immediately.
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