FANUC Alarm DNET-069 — ERR_STOP_C Unknown error code …
Manufacturer wording — ERR_STOP_C Unknown error code %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC DNET-069 (“ERR_STOP_C Unknown error code …”): An unknown error has occurred with the specified device. First check: Document the events that led to the error and call your FANUC Robotics technical representative.
Updated 2026-09-17 · LogrobotLM reference
Description
An unknown error has occurred with the specified device.
Remedy
Document the events that led to the error and call your FANUC Robotics technical representative. Make sure the error code number is noted and reported.
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 →