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FANUC Alarm PNT2-722 — Turbine over speed

Manufacturer wording — %sTurbine over speed
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-722 (“Turbine over speed”): While the turbine was operating the RPM level was above the Over speed limit. First check: Check and replace the I/P transducer if necessary. Likely part: Transducer (Transducer).

Updated 2026-09-17 · LogrobotLM reference

Description

While the turbine was operating the RPM level was above the Over speed limit. When this error occurs, braking will be applied to bring the turbine speed to within the acceptable operating range.

Remedy

Check and replace the I/P transducer if necessary. Possibly increase the Over speed limit value.

Part to check / replace

FANUC PNT2-722 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

PNT2-718Max. output has speed < setpointPNT2-719Requested speed over valid rangePNT2-723Turbine under speed faultPNT2-724Turbine under speed warning

Same hardware involved

PAIN-283TransducerPAIN-284TransducerPAIN-420TransducerPAIN-443Transducer

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 →