42
EN
TROUBLESHOOTING
Description
Possible cause
Solution
Temperature data
are incorrect
Sensor is too
close/too far from
the measured
surface
The distance from
the measured sur-
face to the sen-
sor should be up
to 5 cm
Device won’t
turn on
Batteries are dis-
charged
Replace the bat
-
teries
Device is dam-
aged
Contact the ser-
vice center
The ambient tem-
perature is less
than +16 ° C
The ambient tem-
perature should be
in the range from
+16 ° С to +40 ° С
The ambient tem-
perature exceeds
+40 ° C
Incorrect (low)
readings
IR sensor lens
is dirty
Clean in accord-
ance with section
10 of this Manual
STORAGE, TRANSPORTATION
AND OPERATION RULES
•
The device should be transported at temper-
atures ranging from –10 ° C to +40 ° C and a
relative humidity of up to 75%.
•
The device should be operated at temper-
atures ranging from +16 ° C to +40 ° C and a
relative humidity of up to 65%.
•
The device should be stored at temperatures
ranging from –20 ° C to +50 ° C and a relative
humidity of up to 80%.
•
Do not expose the device to thermal shock.
11
12
