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FANUC Alarm PAIN-228 — WARN More Than One Color Valve ON

FANUC PAIN-228 (“WARN More Than One Color Valve ON”): There are multiple color valve pilots on at the same time. First check: Turn off all color valve pilots and then only turn on one color valve pilot at a time.

Updated 2026-09-17 · LogrobotLM reference

Description

There are multiple color valve pilots on at the same time.

Remedy

Turn off all color valve pilots and then only turn on one color valve pilot at a time.

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 →