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FANUC Alarm SEAL-129 — ABORT Index incorrect

FANUC SEAL-129 (“ABORT Index incorrect”): The index value of seal start instruction is invalid. First check: Check the index value of this SS instruction.

Updated 2026-09-17 · LogrobotLM reference

Description

The index value of seal start instruction is invalid.

Remedy

Check the index value of this SS instruction.

Related codes

SEAL-127ABORT. G Sealing system error(127)SEAL-128ABORT. G System errorSEAL-131ABORT SS/SE timing invalidSEAL-132WARN Seam segment too short

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