Chapter 9 Troubleshooting
Mechanical errors
The following troubleshooting refers to errors whose cause can possibly not be displayed
through the status LEDs of the labeller.
Problem
Backing strip is torn
Labels can not be held on the
tamp pad.
Permanently bad
label positioning on the tamp
pad
Inaccurate label positioning on
the product.
Version: 24.05.2016
POSSIBLE REASON
Label roll damaged:
Indentations in the carrier
strip.
Pressure points / damage
to the label roll side.
The paper width varies
greatly.
Adhesive build-up in the area
of the peel bar
Vacuum generation (venturi,
29700231) does not work.
compressed air too low
Air assist still too high or too
low
Air assist tubes is incorrectly
positioned.
The product transport is not
performed evenly, or with the
necessary repetition accura-
cy.
Product sensor (or possibly
reflector) loose or vibrating.
Alternating conveying system
speed (e.g. load-dependent)
Label with unsuitable adhe-
sive, insufficient initial adhe-
sion force.
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40037053 BTA Legi-Air 2050
Solution
Replace label roll.
Remove the adhesive residue
and examine the label roll for
damages caused by the accu-
mulation of adhesive. Other-
wise replace the roll if neces-
sary.
Check the vacuum. If neces-
sary, increase the pressure,
and if necessary clean or re-
place the venturi nozzle.
Check the sensors of the con-
veying system which is used for
the product detection.
Check the sensors and reattach
if necessary
Measure and log the speed. If
necessary, contact the supplier
of the conveying system.
Switch the label quality.
Contact our service hotline (see
page 6) will gladly recommend
a competent label specialist
endorsed by our company.
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