KUKA Error 1109 — TEPRO DATA EXCHANGE ERROR
ErrorDisplayed as KSS01109 on KRC4 / KRC5 controllers
KUKA 1109 (“TEPRO DATA EXCHANGE ERROR”): The SBC is fetching cyclical data too late (TEPRO = technology process). First check: Reset the SBC program.
Updated 2026-09-09 · LogrobotLM reference
Cause
The SBC is fetching cyclical data too late (TEPRO = technology process).
Effect
Stop via braking ramp. SBC interface interrupted.
Troubleshooting
Reset the SBC program. Acknowledge the message.
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 →