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Troubleshooting
Error message Situation Solution
No lens filter is attached. Attach new, clean lens filter
No lens filter is attached Make sure probe tip is clean;
and activation button was refer to section «Care and cleaning»
pressed while probe was in if necessary.
the ear. Attach new, clean lens filter to stop
error beeps.
Ambient temperature is not Allow the thermometer to remain
within the allowed operating in a room for 30 minutes where
range 50 °F to 104 °F the temperature is between
(10 °C - 40 °C) or changing 50 °F to 104 °F (10 °C - 40 °C)
too rapidly.
Temperature taken is not Make sure new, clean lens filter is
within typical human attached and thermometer is properly
temperature range (93.2 °F - inserted.
108 °F / 34 °C - 42.2 °C). Then, take a new temperature.
HI = too high
LO = too low
Battery is low, but Insert new batteries
thermometer will still operate
correctly.
(No light function on
IRT 3020 models.)
Battery is too low to take Insert new batteries
correct temperature
readings.
System error Wait 2 minutes until thermometer
powers down, then turn on again.
• If error persists ... reset the thermometer by removing
the batteries and putting them back in.
• If error still persists ... call Braun ThermoScan Customer
Service at 1- 800 - 327-7226.
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