FANUC Alarm MOTN-271 — TB parameter error 2
Manufacturer wording — TB parameter error 2(G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC MOTN-271 (“TB parameter error 2”): The torque calculation of Turbo move due to the Turbo move parameter has an error. First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.
Updated 2026-09-17 · LogrobotLM reference
Description
The torque calculation of Turbo move due to the Turbo move parameter has an error.
Remedy
Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.
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 →