Symbol 2301 from ISO 7000 - Title/Meaning: Urgent alert indicator Function/description: To indicate a condition that requires immediate attention by the machine operator.
Additional information: 
Normally relates to another (already existing) condition.
Own work using: iso.org/obp/graphics/grs/9931459e-eace-4fbc-9468-00ad253c2feb 200.png
Vectorization:  Mrmw