Specifications

PA/4000 User’s Manual
Section 10, Troubleshooting
Page 10
read 5VDC. With paper under the retract sensor it should read
under 1/2 V.
Possible Cause: Applicator board is bad.
ACTION: If there is still no voltage, replace the applicator board.
Problem: Label applied too early.
Possible Cause: Photosensor distance is 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.
Possible Cause: Incorrect setting for the photosensor type.
ACTION:
1. Determine the type of photosensor you are using as Photosensor 1.
2. 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.
3. Carefully re-examine the above operation before running the
conveyor.
Possible Cause: Product Delay distance set too short.
ACTION: 1. Increase the product delay time by following the directions
in Section 5.4.4.
2. Run sample labels to determine the change in label placement.
3. If necessary, continue to increase 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. 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 Photosensor 1 at the product.
4. Adjust the sensing distance of the photosensor with the
potentiometer at the rear of the photosensor.