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KUKA Error 1016 — HARDWARE LIMIT SWITCH / OR MISSING?

Error

Displayed as KSS01016 on KRC4 / KRC5 controllers

KUKA 1016 (“HARDWARE LIMIT SWITCH / OR MISSING?”): The adaptation monitoring has detected the setting of a sum input for the hardware limit switch. First check: Move the robot clear.

Updated 2026-09-09 · LogrobotLM reference

Cause

The adaptation monitoring has detected the setting of a sum input for the hardware limit switch.

Effect

Path-maintaining stop. All active commands inhibited.

Troubleshooting

Move the robot clear. Acknowledge the message. CAUTION! Moving clear requires particular care. No axis-specific interlock is set.

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 →