FANUC Alarm ARC-164 — STOP Power source error(E:…)

Manufacturer wording — STOP Power source error(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-164 (“STOP Power source error(E:…)”): Detect 3-phase power source abnormal. First check: Check 3-phase power source.

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 →