Fault / Display (Printer text)
Cause
Remedy
No function after switching instrument
on
Fuses eventually defective.
Check fuses, replace.
Power supply insufficient.
Check power supply.
BLANK CHECK INCORRECT
(BLANK CHECK INCORRECT)
Zero adjustment incorrect.
Ensure that ambient air is clean and
free of alcohol. Air test room.
MOUTH ALCOHOL
(MOUTH ALCOHOL)
Residual alcohol in the mouth of the
person being tested. Person have had
alcohol immediately prior to
measurement or had belched.
Remedy cause.
Repeat measurement after waiting time.
Observe control time.
MINIMUM VOLUME NOT ACHIEVED
(MIN. VOL. NOT ACHIEVED)
The supplied volume is smaller than the
minimum volume required.
The instrument automatically requests
to repeat the breath sample.
BLOWING TIME TOO SHORT
(BLOWING TIME TOO SHORT)
The time of the supplied breath sample
is shorter than the minimum time
required.
The instrument automatically requests
to repeat the breath sample.
BLOWING NOT ALLOWED
(NOT ALLOWED BLOWING)
Delivery of the breath sample at a not
permitted time; no readiness for opera-
tion. (Reblowing)
Remind the person to be tested of the
correct delivery of the breath sample.
Repeat measurement.
READINESS TO BLOW EXPIRED
(READIN. TO BLOW EXP.)
Readiness to blow of 2 minutes is
expired. No delivery of breath sample
within this time.
Repeat measurement.
ALCOHOL IN THE ENVIRONMENT
(ALCOHOL-ENVIRONMENT)
Contamination in the ambient air is
detected.
Ensure that ambient air is clean and
free of alcohol. Air test room.
FUNCTION NOT POSSIBLE
Incorrect input of a code word.
Check code word.
Repeat input.
PURGING ERROR
(PURGING ERROR)
Necessary volume for purging the
measuring system not reached.
Check inlet of the breath hose.
If no conspicuousness, repeat
measurement. If fault message
reappears: inform DrägerService.
INTERFERENCE
(INTERFERENCE)
The two independent measuring
systems (only Alcotest 7110 Standard
IR + EC) have detected an inadmissible
influence on the measured values by
foreign substances in the breath.
Identify cause of the influence, remedy,
if possible. Eventually initiate other
evidential measures.
Fault, Cause and Remedy
22
Fault, Cause and Remedy
Summary of Contents for Alcotest 7110 Standard
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