Troubleshooting
The table below shows problems you may encounter.
All error messages below would be shown together with
backlight. Please follow "what to do" to resolve problems.
If the problem still exists, please call your local dealer for
help.
MESSAGE
20
WHAT IT MEANS
Appear when
environmental
temperature is
below system
operation range.
Appear when
environmental
temperature is
above system
operation range.
Battery is low
and "
" ap-
pears on display.
WHAT TO DO
Put the
thermometer
under operating
temperature
range of 16 ° C to
40 ° C(60.8 ° F to
104 ° F)
Put the
thermometer
under operating
temperature
range of 16 ° C to
40 ° C(60.8 ° F to
104 ° F)
Please replace
batteries as
soon as pos-
sible.