FANUC Alarm MHND-249 — WARN Must press SHIFT key too
FANUC MHND-249 (“WARN Must press SHIFT key too”): The shift key must be pressed when accessing this teach pendant hardkey. First check: Press the shift key.
Updated 2026-09-17 · LogrobotLM reference
Description
The shift key must be pressed when accessing this teach pendant hardkey.
Remedy
Press the shift key.
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 →