FANUC Alarm TCPP-004 — WARN No sysvar pointer

FANUC TCPP-004 (“WARN No sysvar pointer”): This is an internal system error. First check: Perform a cold start on the controller.

Updated 2026-09-17 · LogrobotLM reference

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 →