LogrobotLM

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FANUC Alarm RPC-006 — WARN Incompatible versions of RPC

FANUC RPC-006 (“WARN Incompatible versions of RPC”): The server received an older version of the RPC protocol. First check: Update the client software to use the same version of the RPC protocol.

Updated 2026-09-17 · LogrobotLM reference

Description

The server received an older version of the RPC protocol.

Remedy

Update the client software to use the same version of the RPC protocol.

Related codes

RPC-004WARN Unable to receiveRPC-005WARN Call timed outRPC-007WARN Authentication errorRPC-008WARN Program unavailable

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 →