8
Troubleshooting
8.1
Possible errors during commissioning
Table 8: Troubleshooting during commissioning
Display, error situation
Cause
Measure
After the teach process
•
“Err1” is displayed
•
“Err2” is displayed
•
“Err3” is displayed
Programmed contrast or con‐
trast difference is not suffi‐
cient for stable contrast detec‐
tion.
•
“Err1”: Receive value is too
low
•
“Err2”: Receive value is
saturated
•
“Err3”: Difference between
two receive values is too
small
•
Readjust fibers
•
Clean fibers
•
Check the application con‐
ditions
•
Restart teach process
•
Increase contrast difference
8.2
Possible errors during operation
Table 9: Troubleshooting during operation
Fault pattern
Cause
Measure
No switching output any more
•
Distance or angle to mater‐
ial not consistent
•
Light emission (optics) is
dirty
•
Manual switching thresh‐
old set incorrectly
•
Fibers have detached from
the amplifier
•
Clean fibers
•
Readjust fibers
•
Check parameter settings
•
Perform teach process
again
•
Check fiber mounting
8
TROUBLESHOOTING
40
O P E R A T I N G I N S T R U C T I O N S | KTL180
8023304.11XV/2018-11-29 | SICK
Subject to change without notice
