SICK Advanced Series

Operating Instructions Chapter 8
CLV490 Bar Code Scanner
8009993/RA61/2007-07-20 © SICK AG · Division Auto Ident · Germany · All rights reserved 8-9
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 m (9.84 ft))
• A digital measuring device (current/voltage measurement)
• A PC running CLV-Setup
• A 3-core RS 232 data cable (null modem cable), pins 2 and 3 crossed,
e. g. no. 2014054
8.5.1 General malfunctions: CLV490 not ready
Malfunction Possible cause Remedy
The "Device Ready" LED is not lit.
The "Result 1" output is not outputting a
pulse (default setting: Device Ready)
After switching on the power supply:
• The CLV490 has no power.
• The CLV490 has diagnosed a device er-
ror during the self-test.
During operation:
• The CLV490 is not in "Reading" mode.
• The CLV490 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 CDM490 Connection
Module).
Measure voltage at pin 1 and pin 5.
• Switch CLV490 off and on again. Does
the LED light up? If not, contact SICK Ser-
vice department
• Return to Reading mode using the "CLV-
Setup" program. See Chapter 6.5.1
Reading mode (standard operating
mode), Page 6-38
• Terminate reading pulse.
Check the reading pulse function. Supply
new pulse. See Table 6-23, Page 6-36.
Table 8-5: Troubleshooting: restoring operation (Reading mode)
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW
WWW.100Y.COM.TW WWW.100Y.COM.TW WWW.100Y.COM.TW