Specifications

PA/4000 User’s Manual
Section 10, Troubleshooting
Page 12
Possible Cause: Cylinder rods are bent
ACTION: Determine what caused the cylinder to bend and call Diagraph Service
for replacement cylinder kit (6150-830 for 6-inch cylinder assembly,
6150-831 for 12-inch cylinder assembly, or 6150-832 for 18-inch
cylinder assembly).
Problem: Inconsistent label placement.
Possible Cause: Inconsistent conveyor line-speed reading
ACTION:
1. Check the drive belt tension.
2. Check the edge sensor voltage.
Possible Cause: Inconsistent product detection by Photosensor 1.
ACTION: 1. Check the cable connection between the photosensor and
PA/4000 connection.
2. Clean the photosensor lens with a soft-tipped swab and
isopropyl alcohol.
3. Adjust and direct the Photosensor 1 at the product.
4. Adjust the sensing distance of the photosensor by turning its
potentiometer clockwise.
Possible Cause: Label is not adhering correctly.
ACTION: 1. If the label placement is skewed, adjust the yoke so that the
tamp is parallel with the product.
2. If the labels are not adhering firmly to the product due to
inadequate tamp pressure, increase the tamp pressure.
3. If the label stock is incorrect, call Diagraph to order correct
label stock.
Possible Cause: Cylinder rods are bent
ACTION: Determine what caused the cylinder to bend and call Diagraph Service
for replacement cylinder kit (6150-830 for 6-inch cylinder assembly,
6150-831 for 12-inch cylinder assembly, or 6150-832 for 18-inch
cylinder assembly).
Problem: PA/4000 not applying labels on every product.
Possible Cause: Photosensor distance set too short
ACTION: 1. Carefully measure the distance from the peel blade to Photosensor 1.
2. Verify the photosensor distance setting. Change if incorrect.
3. Carefully re-examine the above operation before running the conveyor.