FANUC Alarm PRIO-280 — FL-net System Error
Manufacturer wording — FL-net System Error(%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PRIO-280 (“FL-net System Error”): An internal error occurred. First check: Please contact the FANUC service.
Updated 2026-09-17 · LogrobotLM reference
Description
An internal error occurred.
Remedy
Please contact the FANUC service. Note the numeric value displayed with the error. This data will be needed to further diagnose the problem.
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 →