12
Troubleshooting
Error message Situation Solution
No lens filter is attached. Attach new, clean lens filter.
No lens filter is attached and
activation button was pressed
while probe was in the ear.
Make sure probe tip is clean; refer
to section «Care and cleaning» if
necessary.
Attach new, clean lens filter to
stop error beeps.
Ambient temperature is not
within the allowed operating
range of 50°F to 104°F
(10°C–40°C) or changing
too rapidly.
Allow the thermometer to remain
in a room for 30 minutes where
the temperature is between
50°F to 104°F (10°C–40°C).
Temperature taken is not
within typical human
temperature range
(93.2°F–108°F / 34°C–42.2°C).
HI = too high
LO = too low
Make sure new, clean lens filter is
attached and thermometer is
properly inserted.
Then, take a new temperature.
Battery is low, but
thermometer will still operate
correctly.
(No light function on
RT 3520 model.)
Insert new batteries
Battery is too low to take
correct temperature readings.
Insert new batteries
System error
• If error persists
• If error still persists
Wait 2 minutes until thermometer
powers down, then turn on again.
… reset the thermometer by
removing the batteries and putting
them back in.
… call Braun ThermoScan
Customer Service at
1-800-327-7226.
6013341_IRT3000_NA_S4-46 Seite 12 Montag, 25. März 2002 2:27 14
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