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KUKA Error 1219 — ACK SBX -- KCP CONNECTED

Error

Displayed as KSS01219 on KRC4 / KRC5 controllers

KUKA 1219 (“ACK SBX -- KCP CONNECTED”): On the software side, evaluation of the "KCP plugged in" signal revealed that the two channels (MCP interface and safety box) had different states. First check: Acknowledge the message. Likely part: KCP (KCP teach pendant (KUKA Control Panel)).

Updated 2026-09-09 · LogrobotLM reference

Cause

On the software side, evaluation of the "KCP plugged in" signal revealed that the two channels (MCP interface and safety box) had different states.

Effect

Stop via braking ramp. All active commands inhibited.

Troubleshooting

Acknowledge the message.

Part to check / replace

KUKA 1219 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

Same hardware involved

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 →