ReliOn 510REL Benutzerhandbuch

Attach the lens cover,
then measure.

Lens cover is not 
on Probe.

Probe may not 
have been properly
positioned in ear. 
The probe must 
be snug against 
opening of ear.
Be sure lens cover 
is clean and ear 
canal is not blocked 
with earwax

.

The measured
temperature was 
below the range 
of the thermometer.

The measured
temperature was 
above the range 
of the thermometer.

Turn on the unit
again. If  "Er.1" 
is displayed again, 
the unit may 
require service.
Call Customer
Service Dept. 
1-800-634-4350

Make sure unit
remains at room
temperature where
measurement will
take place. Allow 30
minutes to stabilize
before using.

Normal range:
(50°F to 104°F) 
(10°C to 40°C)

Temperature of the 
unit is unstable.

The temperature of the
unit is 50°F or below
which is outside 
the operating range.

The temperature of the
unit is 104°F or above
which is outside the
operating range.

May require service.