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Siemens alarm 61120: Thread type inside/outside not defined

SINUMERIK function alarm · Siemens 840D/810D powerline

What it means

A thread cutting cycle was called without specifying whether the thread is internal or external. The cycle needs this classification to choose approach, infeed and retraction strategy. Program the thread type parameter accordingly.

Likely causes

  • Internal/external parameter omitted in the thread cycle call
  • Dialog field skipped during parameter input
  • Program converted from a dialect losing the type flag

Triage note: Documented for CYCLE70 in the 11/2006 Diagnostics Guide.

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