LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm ARC-173 — WARN Warning, Retry(0x…)(E:…)

Manufacturer wording — WARN Warning, Retry(0x%X)(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-173 (“WARN Warning, Retry(0x…)(E:…)”): Retry to send the command to power source. First check: Confirm noise environment, cable setting.

Updated 2026-09-17 · LogrobotLM reference

Description

Retry to send the command to power source.

Remedy

Confirm noise environment, cable setting.

Related codes

ARC-171STOP Unified data RCV error(…,0x…)(E:…)ARC-172WARN Warning, Rcv(0x…)(E:…)ARC-174WARN Warning, NAK for(0x…)(E:…)ARC-175STOP Signal change is ignored(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 →