How much do you know about Jinan roller shutter? Isn't it clear? Next, Jinan factory will give you a brief introduction below, hoping to help you.

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1. Hand zipper does not move

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Fault cause: the ring chain blocks the cross slot; the pawl does not break away from the ratchet; the chain press frame is stuck.

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Treatment method: straighten out the circular chain; adjust the relative position of the pawl and the chain pressing frame; replace or lubricate the pin shaft.

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2. The motor does not move or the speed is slow

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Fault causes: the motor circuit is open, the motor is burnt, the stop button is not reset, the limit switch acts, the load is large, etc.

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Treatment method: check the line and connect it; replace the burned motor; replace the button or repeatedly press it several times; toggle the limit switch slider to make it away from the microswitch contact and adjust the switch position; check whether the machine is jammed, and remove the obstacles if any.

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3. Large vibration or noise of motor

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Fault cause: Jinan electric roller shutter brake disc is unbalanced or broken; brake disc is not fastened; bearing oil loss or failure; gear meshing is not smooth, oil loss or serious wear; motor current sound or vibration.

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Handling method: replace the brake disc or readjust the balance; tighten the brake disc nut; replace the bearing; repair the output end gear of the motor shaft, lubricate or replace; check the motor and replace it if it is damaged.

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4. Control failure

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Fault cause: the relay contact is stuck, the travel micro switch is invalid or deformed, the slide block fastening screw is loose, the backup plate screw is loose to shift the backup plate, so that the slide block or nut cannot move with the rotation of the screw rod, the drive gear of the limiter is damaged, the up and down buttons are stuck. Treatment: replace the relay; replace the microswitch or contact pad; tighten the slider screw and reset the backup plate; replace the drive gear of the limiter; replace the button.

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This is the end of the explanation of the four major faults of Jinan roller shutter door and the related solutions. I believe you will have a deeper understanding of them after reading these contents. I hope these points can help you, and more details can pay more attention to the development of Jinan rich and strong door industry.