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1. Consistent low temperature readings.
a. The probe is not positioned properly in the
ear canal. The tip of the probe must be snug
and fully seated against the opening of the
ear canal. Failure to properly position the
probe may lead to a low temperature reading.
b. The probe lens is dirty. Clean the lens with a
soft cloth moistened with water or
isopropyl
alcohol.
2. The word “Lo” or “Hi” appears. Temperature is
out of the range of thermometer.
a. The probe is not positioned properly in the
ear canal. The tip of the probe must be snug
and fully seated against the opening of the
ear canal. Please properly position the ear
thermometer in the ear canal and then
repeat the measurement.
3. Thermometer will not take a reading.
a. Check to see if the low battery icon appears
with the word “Lo”. If it does, the battery
needs to be replaced. See Battery
Installation section of the manual.
b. Check to see if the low battery icon appears
by itself. If it does, the battery may need to
be replaced. See the Battery Installation
section of the manual.
Troubleshooting