safety hazards in normal use each week, e.g. whether the lens is
broken, the shell has cracks and the sensing head is polluted. Do not
use the thermometer with potential safety hazard. Clean the
thermometer if not used for a long time.
2) After each use, clean the temperature probe as described in the
"Cleaning and Disinfection" chapter.
3) Store the thermometer in a dry, dust-free, and well-ventilated place.
Make sure that the thermometer is not exposed to sunlight. Make sure
that the storage and transportation environments meet the
requirements.
4) Check regularly whether safety risks exist.
5)Remove the batteries if the thermometer will not be used for more than
two months.
Troubleshooting
Problem
The thermometer
fails to power on.
"Er1" is displayed.
Possible Cause
Low battery
Polarities of the
batteries are reversed.
The thermometer is
damaged.
The ambient
temperature is lower
than 10°C (50.0°F) or
higher than 40°C
(104°F).
25
Solution
Change the batteries.
Make sure that the
batteries are installed
correctly.
Contact the
manufacturer.
Take a measurement
under an ambient
temperature between
10°C (50.0°F) and
40°C (104°F).
EN