KUKA Error 1509 — PROGRAM RUN MODE NOT ALLOWED

Displayed as KSS01509 on KRC4 / KRC5 controllers

KUKA 1509 (“PROGRAM RUN MODE NOT ALLOWED”): Impermissible program run mode. First check: Change the program run mode.

Updated 2026-09-09 · LogrobotLM reference

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 →