LogrobotLM

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FANUC Alarm HOST-280 — SMB: Invalid response from PC

FANUC HOST-280 (“SMB: Invalid response from PC”): The PC responded to a robot PC Share request in a way the robot couldn't understand. First check: Verify your PC is running a supported platform.

Updated 2026-09-17 · LogrobotLM reference

Description

The PC responded to a robot PC Share request in a way the robot couldn't understand.

Remedy

Verify your PC is running a supported platform. Supported operating systems include Windows XP, Windows Vista, and Linux running Samba 3.2. If problems persist on supported platforms, document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Related codes

HOST-268GigE: Fail to add CameraHOST-279GigE: Command FailedHOST-281SMB: Time-out waiting for PCHOST-282SMB: No share configured

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 →