LogrobotLM

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FANUC Alarm SSPC-120 — SERVO Invalid fixture obj (ST,F:…)

Manufacturer wording — SERVO Invalid fixture obj (ST,F:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SSPC-120 (“SERVO Invalid fixture obj (ST,F:…)”): The taught group number of the fixture elements is invalid. First check: Confirm the taught gourp number of the fixture elements.

Updated 2026-09-17 · LogrobotLM reference

Description

The taught group number of the fixture elements is invalid.

Remedy

Confirm the taught gourp number of the fixture elements.

Related codes

SSPC-118SERVO Invalid element (ST,…:…,…)SSPC-119SERVO Can't get elem pos(ST,G:…,…)SSPC-131STOP Invalid comb type (WT,C:…,…)SSPC-132STOP Invalid comb index(WT,C:…,…)

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →