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What does autorouter warning "used but not enabled!" mean?

autodeskguest

On a 4-layer board, where layers 2 and 3 are the internal layers, I'm

getting the error "Layer 2 (Route2), 3 (Route3) used but not enabled!

Objects therein may collide with vias placed by the autorouter."

 

Please can someone explain what this means and how to correctly resolve this

error?

 

Thanks

Robin

 

 

 

Parents

  • Robin England schrieb:

    On a 4-layer board, where layers 2 and 3 are the internal layers, I'm

    getting the error "Layer 2 (Route2), 3 (Route3) used but not enabled!

    Objects therein may collide with vias placed by the autorouter."

     

    Please can someone explain what this means and how to correctly resolve this

    error?

     

    Thanks

    Robin

     

     

     

    There is a layer that contains copper elements but you don't allow

    the autoruter to use this layer for routing. So the Autorouter

    has to ignore this layer and it could happen that the Autorouter sets,

    for example a via, that covers a track inside this layer. This could

    result in short circuits or a drill through a track or something like

    that. Best would be to allow the Autorouter to use this layer, too.

     

    --

    Mit freundlichen Gruessen / Best regards

    Richard Hammerl

      CadSoft Support -- hotline@cadsoft.de

      FAQ: http://www.cadsoft.de/faq.htm

     

Reply

  • Robin England schrieb:

    On a 4-layer board, where layers 2 and 3 are the internal layers, I'm

    getting the error "Layer 2 (Route2), 3 (Route3) used but not enabled!

    Objects therein may collide with vias placed by the autorouter."

     

    Please can someone explain what this means and how to correctly resolve this

    error?

     

    Thanks

    Robin

     

     

     

    There is a layer that contains copper elements but you don't allow

    the autoruter to use this layer for routing. So the Autorouter

    has to ignore this layer and it could happen that the Autorouter sets,

    for example a via, that covers a track inside this layer. This could

    result in short circuits or a drill through a track or something like

    that. Best would be to allow the Autorouter to use this layer, too.

     

    --

    Mit freundlichen Gruessen / Best regards

    Richard Hammerl

      CadSoft Support -- hotline@cadsoft.de

      FAQ: http://www.cadsoft.de/faq.htm

     

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