■FFB0412VHN series rusty Rotor issue
●Before
▲Some of customer feedback there is the rust on rotor surface.
●After
▲Delta propose to add Electro-Deposition coating(black color) on rotor surface.
◆ED coating is good for rust and dirt prevention. Meet the requirements of different usage environments.
◆ED coating is widely used in other cases, no performance concern of fan.
◆Attached is the Delta Reliability Test Report

Brand of Product：	Deltaww
Part#：	FFB0412VHN series 、 FFB0412VHN 、 FFB0412VHN-AJ2H 、 FFB More Part#
Product Category：	FAN 、 DC FAN More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	AUG-09-2023
Version Number：
Data Encoding：
Data Size：	1.3 MB
Effective Date：	AUG-09-2023
Type of Change：	Design Change