CVC 310 - 16 Troubleshooting; Troubleshooting for Labeling

CVC TECHNOLOGIES, INC. CVC 310 OPERATION MANUAL
16 - 1
16. TROUBLESHOOTING
16.1 Troubleshooting for Labeling
Problem Possible Cause Suggested Solution
1. Label partially dispensed so that the
backing paper is pulled by container.
(This problem may make labeling
unstable or unavailable.)
a. Improper adjustment of label sensor
due to operator's not removing label
in front of label sensor.
b. Label sensitivity value too high
c. Transparent label.
a. Remove the label in front of label
sensor; use F1 (AUTO ADJ). (Refer
to chapter 10 Operating Instruction.)
b. Refer to "chapter 11 Label Sensor
Adjustment".
c. Use special sensor.
2. Label extension beyond peel blade
is not constant causing improper
label position.
(This problem will cause imprecise
labeling position)
a. Backing paper is loose between
label sensor and label peel blade.
b. Backing paper is too tight between
label sensor and label peel blade.
c. Advanced roller lock is unfastened.
d. Label extension length is too short
or none.
e. The gaps between the labels on the
backing paper are various.
f. The distances are various between
the edge of the labels and the edge
of backing papers, causing label
sensor to detect the different
starting points.
g. Label dispensing speed is too slow
to synchronize with conveyor
speed.
h. The connection screw between
driver roller and stepper motor is
loose.
a. Tighten the screw on the web
clamp.
b. Loose the screw on web clamp.
c. Lock the roller lock.
d. Adjust label extension from 1.5 mm
to 3mm.
e. Ask label roll supplier to correct it.
f. Ask label roll supplier to correct it.
g. Increase the label dispensing speed.
h. Tighten the screw.
3. No label dispensing a. Label head is turned off.
b. Label sensor does not work.
c. Improper adjustment of product
sensor.
d. Product sensor does not work.
a. Check display panel.
b. If the red LED light on the sensor is
not lit, indicating the sensor is
malfunctioning.
If the LED light is lit, then move the
backing paper in the sensor slot to
check the backing paper value. If the
value shown on the screen is not
changed, indicating the sensor is
malfunction, and then replaces the
label sensor.
c. Refer to chapter 11 Product Sensor
Adjustment.
d. Check and make sure LD 5 indicator
(product sensor lamp) on the
master board is on. This light should
be always ON whenever the power
is turned on, and should be OFF
while label is being dispensed