Duronic IRT3W Manual De Instrucciones página 27

Problem
The thermometer fails
to power on.
"Er1" is displayed.
The temperature
reading is lower
than the typical body
temperature range.
The temperature
reading is higher
than the typical body
temperature range.
Troubleshooting
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).
The lens of the
temperature probe is
dirty.
The thermometer probe
is not aligned to the
eardrum.
The thermometer is
used within 30 minutes
after being taken from a
cold environment.
The temperature probe
is damaged.
26
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).
Clean the lens using a
cotton swab.
Reposition the
thermometer probe so
that it is aligned to the
eardrum.
Wait for more than
30 minutes after the
thermometer is moved
into the measurement
environment.
Contact Duronic.