
Warning Display
FLOW
If you see „FLOW“ on the display, the breath sample was not strong
enough for a measurement. Please wait until you can see “BLOW” on
the display again and then make sure that the breath is strong and
steady during the sampling.
Battery Change
If you see this on the display then the battery power is low, please
replace the batteries with 2 new ones.
Service required
Calibration
This message is shown 6 months after the last calibration or by setting
CAL required number.
C.
Test No
Number of tests after a calibration (memorized in the sensor module).
T. total
Number of all tests done with the device (memorized in the device).
Sensor empty
Check to connect
system
Error with sensor module, please replace the sensor with a new one.
Over Temperature
Keep to operating
temperature range
Error because of critical temperature during usage, the device must
not be used under 5° C.
System Error 1
Service required
device
Condensor charging error, please contact ACE customer service.
Sensor empty
Check to
connect system
Sensor leakage, please contact ACE customer service.