9 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
Table: Fault diagnosis
Table 31: LED status indicators
LED Indication Meaning
Supply voltage green Power on
dark Power off
Flashing green A serious error has occurred. Please con‐
tact your SICK service partner.
AUX blinking Find me
LINK ACT 1 (Link / Activity 1) dark No network connection on port P1
green Network connection on port P1
LINK ACT 2 (Link / Activity 2) dark No network connection on port P2
green Network connection on port P2
LED Indication Meaning
DI: LED for pin 2 amber Additional DI on pin 2
off No additional DI on pin 2
C/DI/DO LED for pin 4 green Pin 4 - IO-Link communication active
green blinking Pin 4 - no IO-Link communication active
TROUBLESHOOTING 9
8024482.1FJ7 /2022-05-31 | SICK O P E R A T I N G I N S T R U C T I O N | Sensor Integration Gateway - SIG200
91
Subject to change without notice
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