Display message & Trouble shooting guide
MESSAGE WHAT IT MEANSACTION
The testing cannot be performed
because the battery is low.
Replace with new
batteries.
The battery is empty.
Replace with new
batteries.
The sampling volume or blow
power is not enough to analyze
the breath sample.
No breath sample blown within
3 minutes.
If the LCD displays “Err2” after
Step 4, it means the excessive
saliva went into the sensor
during the test.
The total number of tests has
reached 500 times and the
calibration service is needed.
The test results will be shown as
HI if the result is over 1.00 ‰
(0.50 mg/L) according to the
requirements of EN Standard.
Press power button to
repeat the countdown
cycle and retest.
Press power button to
restart the countdown
cycle and retest.
The testing cannot be performed
because the device is turned on
outside of the operating
temperature.
Repeat the test after the
unit has reached a
temperature within the
operation range
(10°C ~ 40°C).
Wait 20 mins, and then
try again. If “Err2” is
displayed for long time,
contact your seller for
customer service.
Contact your seller for
calibration service.
* The periodic calibration service with every 12 months is highly recommended for
maintaining accurate result.
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