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FANUC Alarm INTP-333 — ABORT Invalid ASCII string for read

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

FANUC INTP-333 (“ABORT Invalid ASCII string for read”): KAREL program error. First check: Check the data of the file.

Updated 2026-09-17 · LogrobotLM reference

Description

KAREL program error. The string read from the file is wrong.

Remedy

Check the data of the file.

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 →