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FANUC Alarm PRIO-166 — WARN CNET Invalid Connection Type

FANUC PRIO-166 (“WARN CNET Invalid Connection Type”): Invalid connection type in scanlist. First check: Use correct EDS file in the scan-list config tool and reload the scan-list.

Updated 2026-09-17 · LogrobotLM reference

Description

Invalid connection type in scanlist.

Remedy

Use correct EDS file in the scan-list config tool and reload the scan-list.

Related codes

PRIO-164STOP CNET Scan list modified Bd …PRIO-165WARN CNET Connection Not FoundPRIO-167WARN CNET Vend ID/Prod. Code MismatchPRIO-168WARN CNET Invalid Connection Size

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 →