If green light is flashing on power suppply what does it mean?

A flashing green light on a power supply typically indicates that the unit is functioning properly and is in a state of normal operation. However, the specific meaning can vary by manufacturer, so it's essential to consult the power supply's manual for exact definitions. In some cases, a flashing light may signal a status update, such as power cycling or standby mode. If the status is unclear or accompanied by issues, further investigation may be needed.