OPHIT DMS-H1616 - Manual (Page 8)

General Specification
8
Cleaning and Maintenance
This product needs to be check and clean every one month as below;
▪ Make sure the fan is operating normally.
If the fan does not operate normally, serious problems will occur such as overheating.
Cleaning
1. Turn off the power.
2. Separate each card from the body.
3. Clean with dry cloth inside of the body after each card is separated.
4. Remove foreign substance on the surface of each card with air gun.
5. Install each car back to the body.
6. Clean with dry cloth outside of the body.