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