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Safety relays PNOZsigma

All LEDs light up when the safety relay PNOZsigma is switched on. What can I do?

If all LEDs light up when the unit is switched on, then no operating mode has been selected, i.e. the operating mode selector switch is still in its middle position.


Pilz Automation Safety L.P.
7150 Commerce Boulevard Canton
Michigan 48187

Telephone: +1 734 354-0272
E-Mail: info@pilzusa.com

Technical Support

Telephone: +1 877-PILZUSA (745-9872)
E-Mail: support@pilzusa.com