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stephenlewisAug 2, 2025
What to do if the Ð light flashes at 4 Hz on my SICK Accessories?
- TThomas HerreraAug 2, 2025
If the indicator light flashes at 4 Hz, it indicates a system error. You should check the 7-segment display for an error message or use SOPAS ET for diagnostics. Try switching the SICK Accessories device off and then on again to resolve the issue.