KUKA Error 291 — OPEN THE CABINET DOOR
InfoDisplayed as KSS00291 on KRC4 / KRC5 controllers
KUKA 291 (“OPEN THE CABINET DOOR”): The controller cabinet door is open. First check: Close the door.
Updated 2026-09-09 · LogrobotLM reference
Cause
The controller cabinet door is open.
Troubleshooting
Close the door.
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 →