Troubleshooting - Sick In4000 Direct Bedienungsanleitung

en
Chapter 7
Tab. 8: Trouble-
shooting for the
IN4000 Direct
(LED indicators
see 3.4 on
page 62)
80
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Fault diagnosis
7.2

Troubleshooting

Problem Possible cause
No LED No supply voltage
indication
• Power • Undervoltage
LED does
• Overvoltage
not flash.
• Sensor
does not
switch.
The sensor Sensor has been
does not placed in the safe
switch, also state (logical "0").
not after Cause:
removal of
• Cross-circuit
actuation
and
renewed
actuation.
• Cross circuit error
• Error detected in
between the
outputs OUT1 and
OUT2
between one of
the outputs and
the supply voltage
the sensor.
Operating instructions
IN4000 Direct
Rectification of the
error
⋅ Switch the voltage
supply on.
⋅ Check supply
voltage (see 9.1
"Data sheet" on
page 83).
⋅ Switch the voltage
supply off and
back on again.
⋅ Test the
connections and
their wiring.
⋅ Test the
components
connected, e.g.
the PLC.
⋅ Rectify possible
cross-circuits.
⋅ Replace the
device.
8012183/YTC9/2016-04-12
Subject to change without notice