Cart 
Optical performance, cable continuity, connector condition and controller communication are evaluated as a complete barcode-reading chain.
A failed scan does not always mean that the optical unit is defective. A contaminated window, internally broken cable, loose pin, supply issue or communication fault can create the same symptom.
Inspection and diagnostic process
The machine is received with its identification and reported symptom. External condition, cables and supply path are checked before internal measurement. Tests are then performed at representative operating points so intermittent faults and performance loss under load can be distinguished from simple connection problems.
- Inspect and clean the optical window
- Test the laser and reading distance with different codes
- Perform cable movement and continuity tests
- Measure connector pins and reader supply
- Confirm transferred parameters on the welding controller
When should this service be planned?
Service is recommended when reading distance decreases, codes are accepted intermittently, cable movement interrupts operation or parameters do not transfer correctly.
Repair approval and final verification
Findings, required parts, commercial approval and estimated lead time are communicated before chargeable work begins. After maintenance or repair, the equipment is tested under controlled load. Protection warnings, data functions and a complete welding cycle are checked before the machine is released.
Traceable service record
Measurements, replaced parts and recommendations are recorded on the service form. This record supports maintenance history, comparison at future inspections and more reliable planning for equipment used across multiple projects.
Preparing the shipment
Include the make, model, serial number, displayed fault, operating conditions and contact information. Send the relevant cable, reader or adapter when the symptom depends on that accessory. Contact our technical team before shipment for packaging and delivery guidance.