Troubleshooting
Note: The device contains sensitive electronic components. For this reason it is
possible that it can be disrupted by radio transmitting equipment in the immediate
vicinity. If you notice that the device is malfunctioning, remove any sources of inter-
ference from the area around the device.
Note: Electrostatic discharge can cause malfunctions. In the event of such mal-
functions, briefly remove and replace the battery.
The following table will help you locate and correct minor malfunctions:
Fault
The display
is
5
blank.
The display reads
"
".
The display reads
" ".
Maintenance and Cleaning
E nsure that no water enters the device during cleaning!
R egularly clean the product with a dry, lint-free cloth.
I f the product is very dirty, use a slightly damp cloth with a detergent.
E nsure no objects enter the opening for the infrared sensor
only clean the opening with light compressed air.
Disposal
The packaging is made of environmentally friendly materials, which may be
disposed of through your local recycling facilities.
26 GB/IE
Possible cause
The battery
is inserted
13
incorrectly.
The battery is drained.
The temperature to be meas-
ured is below the measuring
range (<-50 °C or -58 °F).
The temperature to be meas-
ured exceeds the measuring
range (>+380 °C or
+716 °F).
Solution
Insert the battery as shown on
the battery cover
4
Insert a new battery.
This device is unable to
measure this temperature.
. If necessary,
2
(Fig. C).