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FANUC Alarm INTP-324 — ABORT Invalid open mode string

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

FANUC INTP-324 (“ABORT Invalid open mode string”): KAREL program error. First check: Check the usage string in the OPEN FILE statement.

Updated 2026-09-17 · LogrobotLM reference

Description

KAREL program error. The usage string in the OPEN FILE statement was invalid.

Remedy

Check the usage string in the OPEN FILE statement.

Related codes

INTP-322ABORT Invalid arg val for builtinINTP-323ABORT Value overflowINTP-325ABORT Invalid file stringINTP-326ABORT File var is already used

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 →