FANUC Alarm PAIN-491 — WARN Pump 2 motor velocity limit
FANUC PAIN-491 (“WARN Pump 2 motor velocity limit”): The motor velocity for pump #2 has exceeded its operating limit. First check: Lower the flow rate to within the motor limit.
Updated 2026-09-17 · LogrobotLM reference
Description
The motor velocity for pump #2 has exceeded its operating limit. The motor speed will be reduced to be within operating limit. The motor speed for pump #1 will be reduced to maintain a proper fluid ratio.
Remedy
Lower the flow rate to within the motor limit.
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 →