KUKA Error 1303 — SCC OVERFLOW
InfoDisplayed as KSS01303 on KRC4 / KRC5 controllers
KUKA 1303 (“SCC OVERFLOW”): Transmission rate set too high. First check: Reduce the transmission rate.
Updated 2026-09-09 · LogrobotLM reference
Cause
Transmission rate set too high. (SCC = Serial Communication Controller).
Troubleshooting
Reduce the transmission rate.
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 →