FANUC Alarm DNET-004 — ERR_STOP_C Board init failed: Bd …
Manufacturer wording — ERR_STOP_C Board init failed: Bd %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC DNET-004 (“ERR_STOP_C Board init failed: Bd …”): The specified board has failed to initialize. First check: Make sure the board parameters are correct.
Updated 2026-09-17 · LogrobotLM reference
Description
The specified board has failed to initialize.
Remedy
Make sure the board parameters are correct. Make sure the board is properly connected to the network and power is supplied.
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 →