Operating Instructions Chapter 8
CLV 480 Bar Code Scanner
8 010 080/O824/10-02-2005 © SICK AG · Division Auto Ident · Germany · All rights reserved 8-11
Troubleshooting
2. Trigger mode:
Serial interface
The CLV cannot be clocked:
– the "Sensor" LED does not light up
– the red scan line does not appear
• Incorrect reading pulse source para-
meterized in the CLV.
• Incorrect command used.
• The CLV is not receiving any command
strings on the data interface to start the
reading interval.
• In the "CLV-Setup" program: choose the
DEVICE CONFIGURATION tab, READING TRIG-
GER SOURCE section: is "serial interface"
selected? Serial Interface
section: is the
trigger type correct?
• Use correct commands.
Standard trigger:
Start: <START> 21 <STOP>
Stop: <START> 22 <STOP>
– or –
defined single characters (DEVICE CONFI-
GURATION tab, click the READING TRIGGER
PARAMETERS button, SERIAL INTERFACE sec-
tion).
• Check data connection to host.
In the "CLV-Setup" program: choose the
HOST INTERFACE tab.
In DATA FORMAT section: are the correct
interface type (hardware) and data for-
mat selected?
INTERFACE PROTOCOL section: are the cor-
rect start and stop characters selected?
Use the "CLV-Setup" program to check
the host command strings: choose
AUXILIARY INTERFACE tab. Choose
MONITOR HOST INTERFACE function.
See Chapter 6.5.8 Monitor Host Inter-
face, Page 6-37.
Download temporarily to the CLV.
Malfunction Possible cause Remedy
Table 8-6: Troubleshooting: reading trigger errors in Reading mode (CLV in stand-alone configuration) (contd.)
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