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    Philips Support

    My Philips ear thermometer indicates LO/HI.

    Published on 2018-02-02

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

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

    Users are advised to use the ear thermometer in line with instructions for use and to always seek professional medical advice without delay. Philips advises users against relying on the ear thermometer as sole basis for a decision for seeking treatment and/or professional help. Especially when the patient is a newborn (0-3 months), small child (4-36 months) or patient of any age that may not be able to communicate or take care of themselves.

    The measured temperature is out of the measurement range. The thermometer can measure in the range of 32.4 °C to 42.9 °C or 90.3 °F to 109.2 °F.

    The thermometer might be malfunctioning. Please contact our Customer Care Team

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