KUKA Error 1027 — ERROR WRITING DIGITAL OUTPUT PORT **

Displayed as KSS01027 on KRC4 / KRC5 controllers

KUKA 1027 (“ERROR WRITING DIGITAL OUTPUT PORT **”): Fault in the I/O hardware. First check: Check the corresponding I/O hardware.

Updated 2026-09-09 · LogrobotLM reference

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 →