Chapter
8
Operating Instructions
CLV 45x Bar Code Scanner
8-10
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8 009 139/K949/06-06-2002
Troubleshooting
1. The "Result" LED does not
light up at the end of the rea-
ding pulse.
(Default setting: "Good
Read")
–
Continued
–
•
At dynamic focal position
changeover:
Trigger source parameterized
incorrectly
–
Continued
–
•
The bar code is tilted strongly
with respect to the scan line
(large tilt)
•
The reading angles at which
the bar code appears to the
CLV are too large
•
Bar code is in total reflection
zone
•
b) Trigger source: "Serial
interface":
Check the data connection to
the host.
Use the CLV-Setup user inter-
face to check the host com-
mand strings: Select the
T
ERMINAL
INTERFACE
tab card.
Select the M
ONITOR
HOST
INTERFACE
function (refer to
Chapter 6.5.7 Host interface
monitoring, Page 6-26
).
Download temporarily to CLV!
c) Trigger source: "Timer":
Check the changeover time
setting.
•
Select CLV-Setup user inter-
face: C
ODE
CONFIGURATION
tab
card, D
ECODER
section. Select
the SMART decoder.
Download to CLV!
•
Select CLV-Setup user inter-
face: C
ODE
CONFIGURATION
tab
card, D
ECODER
section.
Select the standard decoder.
Download temporarily to the
CLV!
Call up P
ERCENTAGE
EVALUA
-
TION
, select distance configu-
ration.
Monitor reading quality
(reading quality> 70 %!).
If necessary, realign CLV and/
or reconfigure the distance
configuration.
If "OK", choose SMART
decoder. Download to the
CLV!
•
Optimize CLV alignment
(scan line should strike the
bar code at an angle of ap-
prox. 15
°
)
Check the reading quality
with the CLV-Setup user inter-
face. Call up P
ERCENTAGE
EVALUATION
(refer to
Chapter 6.5.2 Percentage
evaluation, Page 6-21
Fault
Possible cause
Remedy
Table 8-5: Troubleshooting: Result output errors in Reading mode
