Symptom
Failed to
power on
The reading
is too low
The reading
is too high
You have just come from a
hot environment
The ambient temperature is
not in range
Current ambient temperature
has changed too much
3 short beeps and red backlit for 3 seconds.
Keep the thermometer in a stable ambient
temperature
Memory Error
In ear or forehead mode,
T > 42.9°C (109.2°F)
In ear or forehead mode,
T < 32ºC (89.6ºF)
ºC or °F show, ready for
measuring temperature
The power voltage is lower
than 2.5V± 3%
It will turn off automatically after 10
seconds. Please replace with a new battery
3 short beeps and red backlit for 3 seconds.
Contact dealer
3 short beeps and red backlit for 3 seconds.
Please contact doctor for Emergency
treatment
3 short beeps and red backlit for 3 seconds
3 short beeps and red backlit for 3 seconds.
Take a measurement under an ambient
temperature between 10°C (50.0°F) and
40°C (104°F)
Stay in an adequately cool room for at
least 30 minutes before taking a reading
Possible Cause
The battery level is too low
Polarities of the batteries are
reversed
The thermometer is damaged
The lens of the probe is dirty
The distance of the item and
target is too far
You have just come from a
cold environment
Stay in a warmer room for at least
30 minutes before taking a reading
Keep the thermometer in contact with
forehead, or put the probe into the
Ear Canal
Clean the lens with a cotton swab
Contact dealer
Description & Solution
Replace with a new battery
Ensure the batteries are in the right
position
18. Error and Troubleshooting
18
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