FANUC Alarm HOST-188 — WARN PPP init on port … fails

Manufacturer wording — WARN PPP init on port %d fails
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC HOST-188 (“WARN PPP init on port … fails”): invalid port/insufficient memory First check: Verify that a correct port number is specified

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 →