Automatic AC Motor Control Fence Barrier Gate Operator For Parking Lots / Garages

the spring is too tight, you need release the spring a little, then test it again.
see whether the main crank touch the triangle tightly or not, if tightly, adjust it.
reset the balance position and the electrical limit switch.

2. Why does the controller panel operate with "Di Di Di" abnormal noises?

As for this, it means the resistance on controller board is broken, if you have professional tools to check,
then replace that broken resistance, if not, replace that controller panel.

3. Why does the barrier finish half operation of opening and closing?

If uses our controller panel, you only need to find resistance R37 on controller panel, and repalce it is ok.

4. When barrier closed, why is there a 5 degree angle of inclination?

the model is not good, and the gear doesn't fit each other tightly.
the barrier didn't adjust well, need to reset.

5. When barrier finish open, but it closes itself without any order control, what's the problem?

To check the loop cable first, because the loop cable maybe brokem
To check the motor sensor, if it is not set well, then reset it in the middle between two holes on sensor rod.

6. Why does the arm wave a lot when opening and closing?

The spring is very tight
The Screw touches the rubber absorption tightly, need to reset again.