Check manually the correct head actuation on the complete travel

Replace the head or complete product

Verify the tightening torque of the screw

Please refer to the catalogue data

Verify the mechanical contact changeover

Verifiy the continuity without supply with a multimeter

Replace the contact or the contact body

Check the screw's terminals tightening torque

Please refer to the catalogue data

check the wiring diagram

Please refer to the product label