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FANUC Alarm PRIO-155 — STOP CNET Network Error Bd …

Manufacturer wording — STOP CNET Network Error Bd %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PRIO-155 (“STOP CNET Network Error Bd …”): The CNET card is not attached to the network. First check: Check wiring to the card.

Updated 2026-09-17 · LogrobotLM reference

Description

The CNET card is not attached to the network.

Remedy

Check wiring to the card. Check for duplicate MAC-ID. Ensure that there is atleast one other device on the network.

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 →