FANUC Alarm SSPC-181 — WARN Comm init error … …
Manufacturer wording — WARN Comm init error %d %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SSPC-181 (“WARN Comm init error … …”): Comm init error First check: Confirm hostname, IP address
Updated 2026-09-17 · LogrobotLM reference
Description
Comm init error
Remedy
Confirm hostname, IP address
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 →