卷帘门用久了也会出现卷帘门卡住、开启过程困难、不顺畅、发出刺耳的声音、门锁打不开或是钥匙插不进去等故障，在此讲讲济南卷帘门电机不启动故障的特征以及排除方式吧。

The rolling shutter door may also be stuck, difficult to open, unsmooth, make a harsh noise, the door lock cannot be opened or the key cannot be inserted after being used for a long time. Let's talk about the characteristics of the failure of Jinan rolling shutter door motor not starting and the troubleshooting.

卷帘门电机不启动的故障特征

Fault characteristics of roller shutter door motor not starting

1、线路断路

1. Line open circuit

2、电容击穿(单相)

2. Capacitance breakdown (single phase)

3、电机线圈短路

3. Motor coil short circuit

4、桥式整流器击穿

4. Breakdown of bridge rectifier

5、行程开关触点氧化

5. Oxidation of travel switch contacts

6、继电器或接触器触点氧化或沾污

6. Oxidation or contamination of relay or contactor contacts

7、按钮开关触点氧化或沾污

7. Oxidation or contamination of button switch contacts

8、电机过热、热保护动器动作

8. Motor overheating, thermal protection actuator action

9、过热保护器失效

9. Failure of overheat protector

10、制动器粘住

10. Brake stuck

11、继电器或交流接触器线圈断路

11. Open circuit of relay or AC contactor coil

12、电磁线圈制动器卡死

12. The solenoid brake is stuck

电机不启动的故障排除方法

Troubleshooting for motor not starting

1、接通回路

1. Switch on the circuit

2、更换电容(单相)

2. Replace capacitance (single-phase)

3、更换电机

3. Replace the motor

4、更换桥式整流器

4. Replace bridge rectifier

5、打磨触点氧化层及污物

5. Polish the contact to remove oxide layer and dirt

6、打磨触点氧化层及污物

6. Polish the contact to remove oxide layer and dirt

7、打磨触点氧化层及污物

7. Polish the contact to remove oxide layer and dirt

8、待电机温度降到70℃以下再启动

8. Restart when the motor temperature drops below 70 ℃

9、更换过热保护器(电机内)

9. Replace the overheat protector (inside the motor)

10、拉动速降拉杆或手拉环形链条

10. Pull the drawdown rod or the hand pulled ring chain

11、更换继电器或交流接触器线圈

11. Replace the relay or AC contactor coil

12、更换电磁铁线圈

12. Replace the solenoid coil

我们阐述了关于卷帘门不能开启的原因分析和解决方案。如果你对我们的产品感兴趣，可以直接关注我们网站http://www.jnzxmy.com，留言或者直接拨打电话联系到我们！

We elaborated on the cause analysis and solution of the roller shutter door that cannot be opened. If you are interested in our products, you can directly follow our website http://www.jnzxmy.com , leave a message or call us directly!