FANUC Alarm ARC-155 — STOP Comm. Timeout(E:…)

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

FANUC ARC-155 (“STOP Comm. Timeout(E:…)”): Communication with RoboWeld power source is timeout. First check: Confirm port setup and connection cable.

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 →