The failure of projector curtain in classroom has always been a difficult point in the maintenance of school teaching equipment. Common faults of classroom projector curtain include: unsmooth lifting, irrecoverable curtain, curtain damage, pulley falling off, etc. These failures will affect the teaching effect and bring great troubles to teachers and students.

In order to solve these problems, the school should set up a special equipment maintenance post to check and maintain the projector screen regularly. In the process of use, we should strengthen the awareness of equipment use and maintenance, don't regard the projector curtain as decoration, and use it seriously and standardly.

If you find a fault, you can try to solve it yourself first, such as checking whether the curtain is stuck, manually adjusting the position of the curtain, or checking whether the power cord of the curtain is plugged tightly. If you can't solve it yourself, you can contact the maintenance personnel in time for processing.

Attention should be paid to the maintenance of projector curtain. Timely maintenance can effectively prolong the service life of projector screen, ensure the stability and reliability of teaching equipment and improve the quality of education and teaching.