Symbol 1603B from ISO 7000 - Title/Meaning: Malfunction, general; failure 
Function/description: To indicate that a failure or other malfunction has occurred.
Own work using: iso.org/obp/graphics/grs/d21d38a6-53e8-43e0-b58f-f39f1f23db52 200.png
Vectorization:  Mrmw