FANUC Alarm ARC-181 — Encoder alarm(E:…)
Manufacturer wording — Encoder alarm(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC ARC-181 (“Encoder alarm(E:…)”): Wire feeder motor sensor line was connected off or wire feeder motor did not rotate correctly. First check: Check the wire feeder motor sensor line.
Updated 2026-09-17 · LogrobotLM reference
Description
Wire feeder motor sensor line was connected off or wire feeder motor did not rotate correctly.
Remedy
Check the wire feeder motor sensor line. After check try again. If the same alarm occurs, inform of the service.
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 →