12
Fault, Cause, Remedy
Fault
Cause
Remedy
The device
switches off
automatically.
Batteries are dis-
charged.
Replace the batteries,
page 11.
The device has been
ready to measure for
more than four min-
utes.
Switch the device on
again.
Device does not
power up.
Batteries are dis-
charged.
Insert new batteries.
Insufficient vol-
ume/sample
invalid.
The test subject is not
breathing continu-
ously or vigourously
enough.
Ask test subject to
breathe continuously
and more vigourously
into the mouthpiece.
Error message on
the display
Cause
Remedy
The measuring range
is exceeded. Alcohol
residues within the
mouth may cause
incorrect measure-
ment values.
Maintain a waiting
period of at least 15
minutes after drinking
alcohol (see page 7).
To repeat the breath
sample, press the
button.
"Internal System
ERROR"
with error code.
Device Errors
Remove the batteries
(for 2 seconds), then
insert them again;
contact Dräger service
personnel if necessary.
