FANUC Alarm PNT1-277 — TPE Built-in error
FANUC PNT1-277 (“TPE Built-in error”): An failed attempt was made to perform a software operation on a specific teach pendant program. First check: Contact FANUC or FANUC Robotics service personnel.
Updated 2026-09-17 · LogrobotLM reference
Description
An failed attempt was made to perform a software operation on a specific teach pendant program. This error should never occur during normal PaintTool operation.
Remedy
Contact FANUC or FANUC Robotics service personnel.
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 →