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FANUC Alarm INTP-436 — Invalid item for output

Manufacturer wording — (%s^4, %d^5) Invalid item for output
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC INTP-436 (“Invalid item for output”): The item specified in left side of assignment statement is not available for output. First check: Do not use the item for output.

Updated 2026-09-17 · LogrobotLM reference

Description

The item specified in left side of assignment statement is not available for output.

Remedy

Do not use the item for output.

Related codes

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 →