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Call for Video Submissions: Share Your Installation & Operation Videos and Get Rewarded! To all our valued customers,We are excited to launch a brand-new video collection campaign! We’re inviting you to share videos of our products in action—whether it’s an door opener, window opener, or related accessories—and in return, you can enjoy attractive rewards. ✅ Eligible Video Types: Installation process Commissioning or debugging steps Normal operation or real-world use 📸 Recording Requirement: Please shoot in horizontal (landscape) mode. 🎁 Rewards Details: Qualifying videos may entitle you to a full refund of the product price (or other arrangements depending on the...

ERR2, ERR3, ERR4 Controller not get connected with Programmer. Re-start power to check again. Need to replace controller or programmer if still not work.  Mismatched versions of controllers and hand programmer can also cause errors. It is recommended to replace them with the latest version to resolve the issue. The door stay open not auto close Open direction is wrong. Power off, then manually open the door in half open, then power on, if the door come close first, the open direction is correct. If the door come open first, need to change open direction by hand programmer in F2...

Chinentech Industrial Limited is a professional automatic doors manufacturer in China, engaged indesign, production, sales and installation of automatic door systems. Since 1992, We have become one of the leading automatic doors manufacturers in China. We provide high-quality automatic entrance systems for all kinds of buildings, such as offices, shopping malls, hospitals, hotels, restaurants, retail business, etc. We also supply complete access control systems for keeping your door system more safe. Types of automatic doors: Automatic sliding doors, Automatic swing doors, Automatic hospital doors, Sliding gate openers, Swing gate openers, Automatic Windows, Electric Curtain/Blinds, etc. All our automatic doors meet the...