1. The door is not aligned with the door side or the crossbeam

2. Dirt adhering to the operator housing track

3. Problem with the floor-fixed pulley

4. Dust accumulated inside the operator housing

5. Poor screw fastening of the hangers or stopper wheels

6. The door leaf is twisted or deformed

7. Door lock or door bolt failure

8. Operator housing cover interference

9. Installation or adjustment not completed

 

 

 

 Automatic Door Fault Inspection Process

1. Turn off the power. 2. Slide the door by hand. Not smooth ———→

||Smooth↓ Automatic Door Fault Inspection Process　

 

Check the electrical connections. Automatic Door Fault Inspection Process 　 　

||↓ Automatic Door Fault Inspection Process　 　

1. Turn on the power. 2. Remove the sensor signal cable. 3. Short-circuit the sensor signal cable end. The door operates smoothly ———→ Sensor problem: 1. Sensor faulty or not working properly. 2. Sensor wire open circuit.

 

||Abnormal opening/closing|↓ Automatic Door Fault Inspection Process　 　

Problems inside the operator housing: • Poor connector contact • Control component failure • Motor failure • Control component adjustment failure