Chapter
8
Operating Instructions
CLV 490 Bar Code Scanner
8-10
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8 008 796/0000/25-06-2002
Troubleshooting
8.5
Troubleshooting
The following are required for troubleshooting purposes using the tables below:
•
These Operating Instructions
•
Tools
•
A tape measure (up to 3 000 mm)
•
A digital measuring device (current/voltage measurement)
•
A PC running CLV-Setup
•
RS 232 data connection cable (pins 2 and 3 crossed), e. g. no. 2 014 054
8.5.1
General malfunctions: CLV not ready
Malfunction
Possible cause
Remedy
The "Device Ready" LED is not
lit.
The "Result 1" output is not out-
putting a pulse
(default setting: Device Ready)
After switching on the power
supply:
•
The CLV has no power
•
The CLV has diagnosed a
device error during the self-
test
During operation:
•
The CLV is not in "Reading"
mode
•
The CLV has deactivated the
laser diode 10 min. (default
setting) after the start of the
current reading pulse (trigger
mode: sensor input/serial
interface)
•
Check wiring (power
connector fitted
securely to the AMV/S 60
Connection Module).
Measure voltage at pin 1 and
pin 5.
•
Switch CLV off and on again.
Does the LED light up? If not,
contact SICK Service depart-
ment
•
Return to Reading mode
using the "CLV-Setup" pro-
gram. See
Reading mode (standard
operating mode), Page 6-19
•
Terminate reading pulse.
Check the reading pulse
function. Supply new pulse.
See
Table 8-5: Troubleshooting: restoring operation (Reading mode)