Operating Instructions
Chapter 8
ICR845-2
Troubleshooting
8012377/0000/2008-01-30
©
SICK AG · Division Auto Ident · Germany · All rights reserved
117
8.5.4
Malfunctions in Reading mode: Errors when outputting the result status
Prerequisite
The "Device Ready" LED lights up. If not, see
Table 8-3, Page 109
.
1. No Read
The "Result" LED
(default setting: "Good Read") does not
light up at the end of the reading pulse.
- continued -
Bar code quality inadequate
Bar code printed negatively (light on dark
background)
Check: Is the print contrast adequate?
With CLV-Setup:
Select the R
EADING
C
ONFIGURATION
tab and
click the C
ODE
P
ROPERTIES
P
ARAMETERS
button. Improve the contrast with the
"Contrast" slider.
Download to the ICR845-2.
Check: Are sufficient blank zones
present?
Is the print contrast adequate?
Are the specified print tolerances ex-
ceeded?
With CLV-Setup:
Select the R
EADING
C
ONFIGURATION
tab and
find the Q
UIET ZONE
section: Is "Start/Stop
auto" selected?
Perform test read with a reference code
in good condition.
With CLV-Setup:
Select the C
ODE
C
ONFIGURATION
tab and
click the "Black" option in the 1D B
ACK
-
GROUND
field in the 1D S
YMBOLOGIES
sec-
tion.
Download to the ICR845-2.
2. Good Read:
The ICR845-2 outputs the data contents
of the bar code incorrectly, incompletely
or modified via the host interface.
The ICR845-2 suppresses the last charac-
ter in the bar code
With CLV-Setup:
Select the C
ODE
C
ONFIGURATION
tab. In the
1D S
YMBOLOGIES
section, click the E
DIT
but-
ton for the relevant code: Is Transmit Check
Digit activated? Change if necessary.
Download zum ICR845-2!
Fault
Possible cause
Remedy
Tab. 8-7: Troubleshooting: Result-status output errors in Reading mode (reading bar codes) (contd.)
Fault
Possible cause
Remedy
1. The switching output "Result 1" (default
setting: Device Ready) does not switch
from HIGH to LOW.
The switching output "Result 2" (default
setting: Good Read) do not output a
pulse.
The event of the assigned function for
outputting the result status does not
occur during the reading process
Incorrect switching mode parameterized
in ICR845-2
Not applicable.
Check with CLV-Setup:
Check by choosing the D
EVICE
C
ONFIGURA
-
TION
tab. Click the
R
ESULT
O
UTPUT
P
A
-
RAMETERS
button. Are the outputs set to
"Not Inverted Output"?
Change if necessary.
Download to the ICR845-2.
2. The beeper is not confirming the output
of the reading result (default setting:
"Good Read")
Beeper deactivated
Check with CLV-Setup:
Select the D
EVICE
C
ONFIGURATION
tab and
find the B
EEPER
section: is "On" selected?
Tab. 8-8: Troubleshooting: Errors in the result status output in Reading mode