FANUC Alarm SYST-135 — WARN Invalid Clock, Please Reset
FANUC SYST-135 (“WARN Invalid Clock, Please Reset”): The system clock has an invalid time. First check: Reset the system Clock using the SYSTEM Clock TP page
Updated 2026-09-17 · LogrobotLM reference
Description
The system clock has an invalid time. The clock may not have been set.
Remedy
Reset the system Clock using the SYSTEM Clock TP page
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 →