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FANUC Alarm FILE-052 — WARN Kread re-call with different buf_p

FANUC FILE-052 (“WARN Kread re-call with different buf_p”): A call to kread was made following a WOULDBLOCK read with a different buf_p First check: Call kread with the same buf_p as was used in the original kread call

Updated 2026-09-17 · LogrobotLM reference

Description

A call to kread was made following a WOULDBLOCK read with a different buf_p

Remedy

Call kread with the same buf_p as was used in the original kread call

Related codes

FILE-050WARN PChamp … device NOT ready - device FULLFILE-051WARN NESTED kread issuedFILE-053WARN MC InsertedFILE-054WARN MC Removed

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 →