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FANUC Alarm PNT1-722 — 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 PNT1-722 (“Turbine over speed”): While the turbine was operating the RPM level was above the Over speed limit. First check: N/A

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

Remedy

N/A

Related codes

PNT1-720Failed to reach setpointPNT1-721Zero turbine speed timeoutPNT1-723Turbine under speed faultPNT1-724Turbine under speed warning

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 →