FANUC Alarm ARC-154 — STOP Invalid Arc Loss Time(E:…)
Manufacturer wording — STOP Invalid Arc Loss Time(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC ARC-154 (“STOP Invalid Arc Loss Time(E:…)”): Arc loss time is invalid range. First check: Set proper arc loss time.
Updated 2026-09-17 · LogrobotLM reference
Description
Arc loss time is invalid range.
Remedy
Set proper arc loss time.
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 →