Automatic doors must be aware of the precautions：
1. Automatic door track and hanging wheel can not be oiled; otherwise the hanger on the roller sliding phenomenon, so that the door collision.
2. Turn off the power when not in use for a long period of time.
3. Abnormal Do not disassemble, please contact with the professionals.
Automatic door leaf can not open?
1. sensor failure, check the sensor sensor is normal.
2. wire connector loose plastic (short circuit).
3. belt off.
4. may be the motor overheating, to be able to return to normal after cooling.
5. controller burned out.
6. foreign matter stuck.
7. voltage anomalies.