Sititek CA20F - Page 6

Error
Message
Cause & Action
Error
Message
Cause & Action
If the result is higher
than 0.050% BAC/
0.250mg/l BrAC,
“WARN” signal is
displayed along with
“ALARM” sound.
The battery voltage is
too low to perform a
test. The device will
turn off
automatically after
showing this signal.
Replace 9V Alkaline
Battery.
If the result is above
0.400% BAC
The user had a short
exhale time during the
test, which likely means
Error (Warning)
Notification
0.400% BAC
/2.000mg/l BrAC,
"Hot" signal is
displayed along with
alarm sound.
test, which likely means
the user did not exhale
steadily and
continuously for at least
3 seconds. Push the
power button to perform
another test.
When the test time
is over 500, the unit
shows “CAL”. Even
if the unit still works,
it is required the re-
calibration. Consult
to the seller or local
distributor for the
service.
When the ambient
temperature is out of
working temperature
range (5℃ ~ 40℃) the
unit shows “OUT” and
then turn off. Keep and
use the unit within the
recommended
temperature range.
*** N.B. : Any of these error occurs, the LCD Backlight turns orange color to give notice.