LogrobotLM

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FANUC Alarm DNET-050 — WARN Board or network warning: Bd …

Manufacturer wording — WARN Board or network warning: Bd %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC DNET-050 (“WARN Board or network warning: Bd …”): An problem has occurred with the specified daughter board or the DeviceNet network connected to it. First check: Refer to the next DNET alarm posted in the alarm log for specific alarm recovery information.

Updated 2026-09-17 · LogrobotLM reference

Description

An problem has occurred with the specified daughter board or the DeviceNet network connected to it. The problem is not severe enough to disrupt communications, but should be addressed as soon as possible.

Remedy

Refer to the next DNET alarm posted in the alarm log for specific alarm recovery information.

Related codes

DNET-048WARN Multiple DEFAULT modes; ignoredDNET-049WARN Device Name not foundDNET-051WARN Netwk comm errors: Bus warningDNET-052WARN Data line too long

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 →