FANUC Alarm RPC-018 — WARN Low = …, High = …

Manufacturer wording — WARN Low = %d, High = %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC RPC-018 (“WARN Low = …, High = …”): The server received a remote procedure call which uses the wrong version of a program. First check: Update the client or server software.

Updated 2026-09-17 · LogrobotLM reference

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 →