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FANUC Alarm ISD-051 — WARN Velocity command excessive (IPS…)

Manufacturer wording — WARN Velocity command excessive (IPS%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ISD-051 (“WARN Velocity command excessive (IPS…)”): The commanded velocity for the indicated pneumatic servo axis is too high. First check: The commanded velocity is limited to $IPS_CONFIG[n].$CMDSPD_MIN or $IPS_CONFIG[n].$CMDSPD_MAX, where n is the number specified in the alarm.

Updated 2026-09-17 · LogrobotLM reference

Description

The commanded velocity for the indicated pneumatic servo axis is too high.

Remedy

The commanded velocity is limited to $IPS_CONFIG[n].$CMDSPD_MIN or $IPS_CONFIG[n].$CMDSPD_MAX, where n is the number specified in the alarm. Modify your application instruction or data to reduce the velocity demand on the pneumatic servo axis.

Related codes

ISD-042Exit gap recovery (ISD…)ISD-050WARN …ISD-052WARN Excessive positional error (IPS…)ISD-053WARN Excessive error during stop (IPS…)

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 →