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FANUC Alarm INTP-239 — WARN (%s^4, %d^5) Cannot execute backwards

FANUC INTP-239 (“WARN (%s^4, %d^5) Cannot execute backwards”): This instruction cannot be executed backwards. First check: Set the cursor to the following line.

Updated 2026-08-29 · LogrobotLM reference

Description

This instruction cannot be executed backwards.

Remedy · Remède

Set the cursor to the following line.

Frequently asked · Questions fréquentes

What does FANUC alarm INTP-239 mean?
FANUC INTP-239 (“WARN (%s^4, %d^5) Cannot execute backwards”): This instruction cannot be executed backwards.
How do you troubleshoot FANUC alarm INTP-239?
Set the cursor to the following line.

Related codes / Codes liés

INTP-237WARN (%s^4, %d^5) No more motion for BWDINTP-238WARN (%s^4, %d^5) BWD execution completedINTP-240PAUSE (%s^4, %d^5) Incompatible data typeINTP-241PAUSE (%s^4, %d^5) Unsupported parameter

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →