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FANUC Alarm ARC-170 — STOP Detect Arc OFF(E:…)

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

FANUC ARC-170 (“STOP Detect Arc OFF(E:…)”): Detect ARC off. First check: Confirm welding device and workpiece status.

Updated 2026-09-17 · LogrobotLM reference

Description

Detect ARC off.

Remedy

Confirm welding device and workpiece status.

Related codes

ARC-168SYSTEM I/O error(…, E:…)ARC-169STOP Invalid wire op.(E:…)ARC-171STOP Unified data RCV error(…,0x…)(E:…)ARC-172WARN Warning, Rcv(0x…)(E:…)

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 →