FANUC Alarm VARS-202 — … Shadow error
Manufacturer wording — [%s]%s (%d) Shadow error
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC VARS-202 (“… Shadow error”): An unexpected internal error has occurred First check: Document the events that led to the error and contact your FANUC or FANUC Robotics technical representative.
Updated 2026-09-17 · LogrobotLM reference
Description
An unexpected internal error has occurred
Remedy
Document the events that led to the error and contact 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 →