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Operating Instructions
Chapter
10
V200/V300
8012227/YT87/2016-03-29
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
51
Subject to change without notice
Fault diagnosis
10.3 Warnings and error messages of the LEDs
This section explains the meaning of the indications on the LEDs in case of warnings and
errors and how you can react to them.
The procedure for troubleshooting varies for warnings
⌠Ι
and errors
⌠ϑ
only in the last
step: If there is an error, you must re-start the V200/V300 after rectification.
Status LEDs
Diagnostics LEDs
⊃ ∪ ⊇
1
2
3
4
Meaning
Rectification of the error
Ν
⌠Ι
ν
⌠Ι
ν
ν
ν
Warning
Ν
⌠ϑ
ν
⌠ϑ
ν
ν
ν
Error
Short-circuit or
overcurrent on
an OSSD
⋅
Check the contactor. Replace, if
necessary.
⋅
Check the wiring for short-circuits or
cross-circuits.
Ν
⌠Ι
ν
ν
⌠Ι
ν
ν
Warning
Ν
⌠ϑ
ν
ν
⌠ϑ
ν
ν
Error
External device
monitoring
⋅
Check the contactors and their wiring,
eliminate any wiring errors, if necessary.
⋅
Switch the device off and back on again.
Check the configuration of the external
device monitoring (see page 15).
Ν
⌠Ι
ν
ν
ν
⌠Ι
ν
Warning
Ν
⌠ϑ
ν
ν
ν
⌠ϑ
ν
Error
Reset button
⋅
Check the reset button for correct
function. The button may be defective
or stuck.
⋅
Check the wiring of the reset button for
any short-circuit to 24 V.
Ν
⌠Ι
ν
ν
ν
ν
⌠Ι
Warning
Ν
⌠ϑ
ν
ν
ν
ν
⌠ϑ
Error
TEACH input
⋅
Check the connection of the external
key-operated pushbutton for teach-in.
Ν
⌠ϑ
ν
⌠ϑ
⌠ϑ
⌠ϑ
⌠ϑ
Error
System error
⋅
Disconnect the supply voltage to the
V200/V300 for at least 3 seconds.
⋅
If the problem persists, replace the unit.
Tab. 14: Indications on completion of the teach-in