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Description :

　　Fault types of PVC fast doors in Chaozhou City

　　1、 The motor of the PVC quick door does not start:

　　1. The wire is broken, find and connect the wire. 2. The operation capacitor is damaged in the single-phase rolling shutter door machine. Replace the operating capacitor. 3. The bridge rectifier or electromagnetic coil is damaged, and the brake is stuck. Replace the bridge rectifier or electromagnetic coil. 4. The normally closed contacts of the limit switch are not connected. Polish the contacts or replace the limit switch. 5. The relay coil is damaged, oxidized, or contaminated. Replace the relay or polish the contacts. 6. Overheating protection has failed. Replace the overheat protector. 7. The brake is stuck. Pull the manual chain a few times. 8. The continuous running time is too long, and the thermal protection is disconnected. Just lower the temperature of the motor.

　　2、 Brake slippage of Wuhan express door:

　　1. The brake pads of the fast door have oil stains. Clean with gasoline. 2. The compression spring force decreases. Replace the spring. 3. The electromagnet is not installed correctly. Reinstall.

　　3、 Analysis of the reasons why the hand zipper strip of PVC quick doors cannot be pulled:

　　1. The circular chain blocks the cross groove. Straighten out the chain. 2. The electromagnetic iron fasteners are loose. Re tighten.

　　4、 The self weight falling failure of PVC quick door:

　　1. The manual lever of the fast door is deformed. Replace the manual pull rod. 2. The gap between the manual pull rod and the washer is large. Reduce the gap. 3. Lubrication failure of gearbox motor. Replace the grease.

　　Take on-site photos and confirm online whether there is enough space for installation? What type of door is suitable for installation?

　　Pre sales technical consultation, solutions, designInstallation, debugging, after-sales service, and technical exchange.

　　Mr. Hou provides online answers. We have been working hard!!!!

　　Looking forward to your consultation.

AfterSalesService :

• Equipment roller shutter door