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5
Tr o u b l e s h o o t i n g
1. The CLV is not ready:
- The Dev.Rdy LED is not lit
- The Result 1 switching out-
put (default: Dev. Rdy) is dis-
abled.
2a. Reading Mode:
(Dev.
Rdy LED lit) Trigger Pulse:
reflector polling
The CLV cannot be clocked.
- The Laser On LED flickers
but does not remain lit.
- Red-light scanner: the scan
line is very faint
1. The operating voltage
(4.5...30 V DC) is not connect-
ed.
2. The CLV is not in Reading
Mode.
3. The CLV has detected a
malfunction during the self-test.
1. Incorrect reading pulse
source set in parameters.
2. Reading distance incorrect.
3. Polling reflector incorrect
4. Incorrect pulse sequence
(reflector is not covered to start
the reading interval).
1a. Check power supply.
1b. Mechanical noise?
2. Determine mode of Reading Mode.
Operation E.
3a. Switch the device off and on again.
Does the LED now light up after approx.
10 s?
3b. Has the CLV sent the status ST=3 in
the data output string (prerequisite: ST is
enabled for output in the separator)?
1. Are the device parameter settings for
the reading pulse correct?
2. Is the reading distance within the
defined reading field?
3. Is the polling reflector suitable for the
reading distance?
4. Is the reflector polling sequence cor-
rect? (read: 1. cover reflector, 2. read bar
code, 3. uncover reflector)
1a. Check the wiring. Measure
the voltage value.
1b. Listen to the housing for
scanner motion & noise.
2a. Return to Reading Mode.
2b. Switch the device off and on
again.
3a. If so, the device is OK. If not,
contact the SICK Service
Department.
3b. If so, contact the SICK Service
Department.
1. User interface: choose Reflector
Polling in Edit Reading Pulse
Mode on the Device Configuration
card; download to CLV.
2. Change reading distance.
3. Choose correct reflector.
4. Adjust sequence.
Malfunction
Possible Cause
Check
Remedy
ERROR MESSAGES IN READING MODE