Operating Instructions Chapter 9
CLV65x Bar Code Scanner
roubleshooting
8011980/0000/2009-04-21 © SICK AG · Division Auto Ident · Germany · All rights reserved 79
9 Troubleshooting
This chapter describes how errors at the bar code scanner can be recognised and elimina-
ted.
9.1 Overview of errors and malfunctions
9.1.1 Installation error
• The bar code scanner has been unsuitably aligned to objects with bar codes (e.g. visual
glare)
• Reading pulse sensor has been incorrectly positioned (e.g. internal reading gate opens
too late or shuts too early)
• Incremental encoder (optional) positioned incorrectly
9.1.2 Electrical installation error
• Interfaces of the bar code scanner wired incorrectly
9.1.3 Configuration error
• Functions have not been adjusted to the local conditions, e.g. parameters for the data
interface set incorrectly
• Device-related limits have not been considered, e.g. reading distance, aperture angle
• Selected trigger source for reading pulse incorrect
9.1.4 Malfunctions during operation
• Start/Stop operation: External reading pulse is missing, more than one object is in the
reading area
• Device error (hardware/software)
9.2 Detailed malfunction analysis
9.2.1 LEDs on the bar code scanner
The following statuses can, among other things, be read from the LEDs on the bar code
scanner's housing (see chapter 4.7.2 LEDs on the bar code scanner's housing, page 38):
• Reading reliability (Bar graph, diagnostic mode)
• Ready
• Status of the reading result (Result)
• Data trafic on the Host-, Aux- and CAN-interface
The LEDs can display possible malfunctions or errors. Please refer to the system informati-
on for further details.
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