My Philips ear thermometer indicates LO/HI.

If your Philips Ear Thermometer or Philips Avent Smart ear thermometer indicates LO or HI, there may be a simple solution. Find out how to solve it yourself.

Remove the protective cap before you use the device
Press the power button to switch on the device.
The display shows the last measurement
result as well as the history icon.
Hold the outer ear and gently pull it towards the
rear of the head to straighten the ear canal
Children under the age of 1: hold the outer ear and gently pull it straight back.
Children aged 1 year or older: hold the outer ear and gently pull the ear up and
back.
Insert the probe tip very gently and slowly into the ear canal.
Make sure the probe tip points straight towards
the eardrum when you hold it.
Always insert the probe tip into the same ear, in the same direction and at the same depth.
Note: A temperature measurement taken in the right ear may differ from a measurement taken in the left ear.
Press the power button to start the
measurement.
When the measurement is done, you will hear 2 beeps
Remove the probe tip from the ear
canal
The display shows the measured temperature and the temperature light ring around the power button lights up red, if the measured temperature is above 38.0°C/100.4°F.
Note: The temperature display on the device shows the measurement result for 30 seconds or until you perform a new measurement.

The information on this page applies to the following models: SCH740/86 .

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My Philips ear thermometer indicates LO/HI.

You might not be measuring body temperature correctly. Follow our tips for performing a measurement:

Important to note

Measurement range

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Frequently Asked Questions