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FANUC Alarm VARS-050 — WARN PC Revision mismatch …

Manufacturer wording — WARN PC Revision mismatch %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC VARS-050 (“WARN PC Revision mismatch …”): The version of the saved PC image and saved VR image are different. First check: Load the PC file again.

Updated 2026-09-17 · LogrobotLM reference

Description

The version of the saved PC image and saved VR image are different. This is probably because power was removed in the middle of the operation.

Remedy

Load the PC file again.

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 →