LogrobotLM

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FANUC Alarm DNET-006 — ERR_SYS_C System error: …

Manufacturer wording — ERR_SYS_C System error: %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC DNET-006 (“ERR_SYS_C System error: …”): A system error has occurred. First check: Document the events that led to the error and call your FANUC Robotics technical representative.

Updated 2026-09-17 · LogrobotLM reference

Description

A system error has occurred.

Remedy

Document the events that led to the error and call your FANUC Robotics technical representative.

Related codes

DNET-004ERR_STOP_C Board init failed: Bd …DNET-005WARN User dev def Err, line:…DNET-007Invalid device definitionDNET-008WARN Invalid board index

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 →