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FANUC Alarm INTP-302 — ABORT Stack overflow

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

FANUC INTP-302 (“ABORT Stack overflow”): The program stack overflowed. First check: For KAREL programs, refer to the KAREL Reference Manual, Stack Usage and the %STACKSIZE Translator Directive.

Updated 2026-09-17 · LogrobotLM reference

Description

The program stack overflowed. Too many local variables were declared or too many routines were called.

Remedy

For KAREL programs, refer to the KAREL Reference Manual, Stack Usage and the %STACKSIZE Translator Directive.

Related codes

INTP-300ABORT Unimplemented P-codeINTP-301ABORT Stack underflowINTP-303ABORT Specified value exceeds limitINTP-304ABORT Array length mismatch

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 →