Siemens alarm 61609: Shape incorrectly defined
SINUMERIK function alarm · Siemens 840D/810D powerline
What it means
The form parameter handed to the cycle describes an undercut, groove or pocket shape the cycle does not know or cannot combine with the other parameters. The shape tables are fixed per cycle version. Choose a supported form number and matching dimensions.
Likely causes
- Form number outside the cycle's supported range
- Shape combined with incompatible machining type
- Parameters copied from a newer cycle release
Triage note: Triggered by CYCLE94, CYCLE96, LONGHOLE, POCKET3, SLOT1.
Need the part urgently?
Send us alarm 61609 with your machine details — typical RFQ turnaround is 24–48h.