Diagraph PA/4000, Руководство по обслуживанию, Страница: 106 / 213

PA/4000 User’s Manual
Section 10, Troubleshooting
Page 11
5. Carefully re-examine the above operation before running the
conveyor.
Problem: Label applied too late.
Possible Cause: Photosensor distance set too long.
ACTION: 1. Carefully measure the distance from the peel blade to
Photosensor 1.
2. Adjust the sensing distance of the photosensor with the
potentiometer at the rear of the photosensor.
3. Carefully re-examine the above operation before running the
conveyor.
Possible Cause: Incorrect setting for the photosensor edge.
ACTION: 1. Determine which edge you want to use to sense the product:
leading or trailing.
2. Verify Photosensor 1 edge setting in hand-held. Alter if
necessary.
3. Carefully re-examine the above operation before running the
conveyor.
Possible Cause: Product delay distance set too long.
ACTION: 1. Decrease the product delay time.
2. Run sample labels to determine the change in label placement.
3. If necessary, continue to decrease the product delay in small
increments until the labels are applied correctly on the product.
Possible Cause: Incorrect product detection by Photosensor 1.
ACTION: 1. Photosensor 1 may be detecting extraneous movement such
as people or equipment moving near the conveyor.
2. Clean the photosensor lens with a soft-tipped swab and
isopropyl alcohol.
3. Adjust and direct Photosensor 1 at the product.
4. Adjust the sensing distance of the photosensor with the
potentiometer on the back of the photosensor.
Possible Cause: Cylinder airflow control is set incorrectly.
ACTION: See Section 5.4.1.
Possible Cause: Tamp air pressure set too low
ACTION: Increase the tamp air pressure.