I can hear machine operation sound.
How to fix
- Clattering noise : This is common for thermal deformation products like cars, or furniture made of plastic and this is due to temperature and humidity.
- Electrical noise : This is one created in a circuit where a lot of current flows for product operation. And the level of noise may differ from product to product.
※ The noise is irrelevant to performance and reliability of the product. We conform to a strict standard for manufacturing and a certain level of noise may be created.