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FANUC Alarm INTP-442 — Background program is changed

Manufacturer wording — (%s^4, %d^5) Background program is changed
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC INTP-442 (“Background program is changed”): The Background Logic that was running at power down was changed before this COLD start. First check: Execute the Background Logic manually.

Updated 2026-09-17 · LogrobotLM reference

Description

The Background Logic that was running at power down was changed before this COLD start. This Background Logic is stopped.

Remedy

Execute the Background Logic manually.

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 →