FANUC Alarm ARC-169 — STOP Invalid wire op.(E:…)
Manufacturer wording — STOP Invalid wire op.(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC ARC-169 (“STOP Invalid wire op.(E:…)”): Detect invalid wire FWD/BWD operation. First check: Confirm wire control sequence.
Updated 2026-09-17 · LogrobotLM reference
Description
Detect invalid wire FWD/BWD operation.
Remedy
Confirm wire control sequence.
Related codes
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 →