KUKA Error 304 — SERVICE
InfoDisplayed as KSS00304 on KRC4 / KRC5 controllers
KUKA 304 (“SERVICE”): The start-up menu has been selected. First check: Exit the start-up menu with the escape key.
Updated 2026-09-09 · LogrobotLM reference
Cause
The start-up menu has been selected.
Effect
No program execution is possible.
Troubleshooting
Exit the start-up menu with the escape key.
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 →