KUKA Error 1052 — KCP: CAN--BUS ERROR

Error

Displayed as KSS01052 on KRC4 / KRC5 controllers

KUKA 1052 (“KCP: CAN--BUS ERROR”): Transmission fault in the CAN bus KCP--Task. First check: Acknowledge the message. Likely part: KCP (KCP teach pendant (KUKA Control Panel)).

Updated 2026-09-09 · LogrobotLM reference

Cause

Transmission fault in the CAN bus KCP--Task.

Effect

Path-maintaining stop.

Troubleshooting

Acknowledge the message.

Part to check / replace

KUKA 1052 points to the hardware below — start here before ordering.

KCPKCP teach pendant (KUKA Control Panel)

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

Same hardware involved

1217KCP 1218KCP 1219KCP 1353KCP

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 →