Possible causes for the Novexx Solutions LA-SO print head not applying labels automatically and requiring manual assistance after the machine is turned on include:

- The safety functions may not be working properly and need to be checked before starting production.
- There may be visible damage to the machine that affects label application.
- A fault during label feeding could be preventing automatic operation.
- The time limit for the swivel arm movement in the ALS92x menu may be set incorrectly, causing improper label placement.
- The vacuum or compressed air system that holds and applies the label may not be functioning correctly.
- Required mechanical adjustments may not have been made after switching on the machine.

Each of these areas should be inspected and corrected as needed.

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Summary of Contents for Novexx Solutions LA-SO

Page 1: Table Of Contents
01/12 Rev. 5.07-01 SERVICE MANUAL LA-SO Mounting / Setup / Service Product Description ........2 Settings ............17 Product name ..........2 Settings in parameter menu .....17 Intended Use ..........2 Setting the choker valve ......18 Configurations ........... 2 Setting the dwell time .......18 System requirements ........
Page 2: Mounting / Setup / Service
‘blow on’ or ‘tamp on’. Intended Use The advantage of the LA-SO is that it can be used to apply labels to the fronts [1C] of products, which is not possible using classic tamp-on applicators (e.g., LA-TO). Furthermore, the LA-SO can also apply labels to the sides or tops of products moving at speeds faster than 20 m/min.
Page 3: Functionality
(frontside) or rolles it on (side, top side). The advantage of the LA-SO is that it can apply labels to the front side of a product, which is not possible with classic tamp-on applicators (e.g. LA-TO).
Page 4 When applying labels to the front of a product, the entire surface of the label is pressed against the pressure plate [3]. [3] Side labelling with LA-SO (RH) (B) on product front (A). Side labelling When labelling the side of a product, the end of the label is first pressed against the pressure roller.
Page 5: Technical Data
With the application shown afterwards (Tab. 1) [5], a rate of 18 labels/min is possible.  If one of the settings is changed, all other settings must be fit, what may also change the label rate. Setting Value Distance LA-SO centre - Product 145 mm Label length 152.4 mm Apply time t 500 ms...
Page 6 01/12 Rev. 5.07-01 SERVICE MANUAL Mounting / Setup / Service LA-SO Product Description Application Process Label on front [6B]: approx. 10 cm Application distance Label on top/front [6A]: approx. 20 cm Side labelling: label on front or side, see chapter Side labelling ...
Page 7: Component Overview
01/12 Rev. 5.07-01 SERVICE MANUAL Mounting / Setup / Service LA-SO Product Description Component overview Front of LA-SO [7] LA-SO (RH), front. Name Fan (creates vacuum along pressure plate) Limit stop with damper Support air nozzle Pressure roller Pressure plate...
Page 8 01/12 Rev. 5.07-01 SERVICE MANUAL Mounting / Setup / Service LA-SO Product Description Rear of LA-SO [8] LA-SO (RH), rear. Name ALX 92x connector Support air valve Valve for swivel module Choker valve for forwards movement Choker valve for reverse movement...
Page 9: For Your Safety
01/12 Rev. 5.07-01 SERVICE MANUAL Mounting / Setup / Service LA-SO For your safety For your safety General safety notes WARNING! Danger of cuts and crush injuries especially at the following points: • Between the swivel arm of the applicator and the dispensing edge.
Page 10: Connecting An Interlocking Guard
For your safety Connecting an interlocking guard According to the EC machinery directive, the LA-SO is a partly completed machine. In order that the completed machine matches the health and safety requirements of the machinery directive, LA-SO must be safeguarded against access by an appropri- ate safeguarding device (see [11]).
Page 11 01/12 Rev. 5.07-01 SERVICE MANUAL Mounting / Setup / Service LA-SO For your safety [11] Diagram of a movable interlocking guard: A Protective guard closed. Interlock switch connected (C). Applicator is working. B Protective guard open. Interlock switch not connected (D). Applicator stopped.
Page 12: Warning Notes On The Device
 Do not remove warning notes.  Replace missing or illegible warning notes. [12] Warning note on the LA-SO. Warning note Meaning Article no. The warning note „pinch point“ warns you of the danger posed by movements of the A103530 machine;...
Page 13: Assembly
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Assembly Assembly WARNING Risk of tripping!  Lay cables and compressed air hoses in a way that nobody can stumble over it. WARNING! Risk of injuries caused by lashing pneumatic hoses. ...
Page 14: Mounting On Alx 92X
Hex screwdriver 4 mm Assembly 1. Switch-off the ALX 92x. 2. Screw the LA-SO with 6 screws to the ALX 92x [14]. 3. Connect the cable to LA-SO and ALX 92x [15A] (article no. A3744). 4. Connect the interlock circuit of the protective guard to the LA-SO [15B].
Page 15: Installing The Pressure Reducer
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Assembly Installing the pressure reducer Tools: • Screwdriver • 5 mm hex screwdriver The pressure reducer can be fastened directly onto the enclosure [16C] or using a mounting bracket [16A]. Fastening Bolts...
Page 16: Connecting The Compressed Air
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Assembly Connecting the compressed air  Connect the compressed air hose as pictured opposite [18]. • Hose diameter: 10 mm • Max. admissible compressed air pressure at the pressure reducer: 10 bar •...
Page 17: Settings
 Settings in parameter menu The following parameters determine how the ALX 92x and LA-SO operate. You must set these parameters before using the unit for the first time: Parameter Setting APPLICATOR PARA > Applicator type LA-SO APPLICATOR PARA >...
Page 18: Setting The Choker Valve
Small screwdriver (0.6x4 mm) Setting Increase flow rate (speed):  Turn the setting screw out. [19] Swivel module of LA-SO (RH). Reduce the flow rate (speed): A Choker valve for forwards movement B Choker valve for reverse movement  Turn the setting screw in.
Page 19: Setting The On-Off Valve
The on-off valve is factory-set. The setting is fixed with locking varnish.  If the swivel arm of the LA-SO moves back to the home position very abruptly, as soon as the com- pressed air is switched on, the on-off valve is not set correctly or it is defective.
Page 20: Repair
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair Repair WARNING! Injury hazard from unintentional starting of applicator. Before beginning with repair work,  unplug the compressed air line. Replacing the vacuum plate Tool Phillips screwdriver, size Ph 2 Replacing 1.
Page 21: Replacing The Fan
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair Replacing the fan Tools: • Hex screwdriver 2.5/3 mm • Side cutters Removing WARNING Risk of injury by counterweight falling down.  Hold the counterweight during loosening the fixing screws. 1. Remove 6 screws [22A] - while holding the counter- weight.
Page 22: Replacing The Connector Box
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair Replacing the connector box Tools: • Medium-sized screwdriver • Hex screwdriver 3 mm Removing 1. Unplug the Sub-D connector from the connector box [25A]. 2. Remove the 4 bolts [25B] from the cover of the con- nector box .
Page 23: Home Position Of Sensor
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair Home position of sensor Test the sensor  Move the swivel arm into the home position. The “Home” LED on the applicator interface should light up. If the LED does not light up, this indicates that the home position sensor is not connected or is defec- tive.
Page 24 01/12 Rev. 5.07-01 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair 4. Disconnect the D-Sub connector from the connec- tor box [30A]. 5. Remove 4 screws [30B] at the connector box cover. Remove cover [30C]. [30] Opening the connector box 6. Unplug the homeposition sensor cable [31A] at the board.
Page 25 SERVICE MANUAL Spezielle Anwendungen LA-SO Repair Setting the sensor 1. Disconnect the LA-SO from the compressed air supply. 2. Move the swivel arm up to the limit into home posi- tion and hold it there.  Don´t compress the damper, while holding the swivel arm.
Page 26: Appendix
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Appendix Appendix...
Page 27: Pneumatic Plan
01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Appendix Pneumatic plan [35] LA-SO Pneumatic plan.
Page 28 01/12 Rev. 5.08-00 SERVICE MANUAL Spezielle Anwendungen LA-SO Appendix Pos. no. Article no. Amount Designation A9867 Swivel module A5886 Solenoid valve A5887 Solenoid valve A4476 Push-in fitting A4468 Push-in L-fitting A4466 Silencer A5895 Plug socket with cable A100560 Sensor holder...

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Summary of Contents for Novexx Solutions LA-SO

Table of Contents