FANUC Alarm PNT2-723 — Turbine under speed fault
Manufacturer wording — %sTurbine under speed fault
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT2-723 (“Turbine under speed fault”): While the turbine was operating and the gun was on or enabled, the RPM level was below the Under 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 and the gun was on or enabled, the RPM level was below the Under speed limit.
Remedy
Check and replace the I/P transducer if necessary. Check the supply and pilot air pressures, if either one is low, increase it. Possibly decrease the Under speed limit value.
Part to check / replace
FANUC PNT2-723 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
Same hardware involved
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 →