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KUKA Error 291 — OPEN THE CABINET DOOR

Info

Displayed 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 →