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Solution: Insert the lock cylinder vertically, push (pull) the door to open, rotate 45 degrees clockwise, and rotate the doorknob downward. Replace the battery or re-flash the card in time can be opened with the mechanical key.
1. Silent lock.
Silent lock, also known as electric lock, is a mechanical lock device controlled by relays, and has formed a series of products with a variety of different structures, including electric plug lock (anode lock), cathode lock (electric lock mouth), magnetic lock, electric lock, etc.
The terminal of the electronically controlled lock is actually an electromagnet, which controls a simple mechanical device to open and close the door. However, the action of the electromagnet is through a series of commands. When it cannot be controlled, first measure the voltage transmitted to the electromagnet, and at the same time enter the door opening and closing instructions (some are electromagnetic cards, some enter passwords) to see if the voltage changes, if there is a change, and the electromagnet does not act, the fault is the electromagnetic control part, the electromagnetic control part should be repaired or replaced, otherwise the control part is faulty.
2. The working principle of the mute lock.
When the key of the silent lock is inserted into the lock cylinder of the lock, if all the key teeth on the lock key coincide with the grade difference of the blade, then the gap on all the leaves in the lock cylinder forms a straight groove, the movable pin in the lock cylinder will fall into the groove under the action of elastic force, the movable pin in the middle shell also falls, the groove body part that comes out of the shell slides into the blade groove in the lock cylinder, then the lock key is rotated, the lock key will drive the lock cylinder, the lock cylinder drives the middle shell to rotate together, and the transmission structure of the middle shell also rotates at the same time, and the door lock can be opened and closed.
When the key of the mute lock is inserted into the lock cylinder of the lock, if all the key teeth on the lock key do not coincide with the grade difference of the blade, the gap on the blade in the lock cylinder will not form a straight groove, the movable pin in the lock cylinder will not fall into the groove, the movable pin in the middle shell can not get out of the groove in the shell because the movable pin in the lock cylinder is resisted, so the middle shell is connected to the shell, and will not rotate, and the movable pin in the middle shell will not fall into the blade groove in the lock cylinder, and the middle shell is separated from the lock cylinder, the middle case will not rotate, so the door lock cannot be opened.
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It can be opened with the included mechanical key. Method: Insert the lock cylinder vertically, rotate 45 degrees clockwise, rotate the door handle downward, and push (pull) the door to open. Replace the battery or re-flash the parent and child cards in time.
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Remember the brand! No one picks up the after-sales **;
Customer service QQ needs to add friends to speak, but people don't add you!
You can't buy a magnetic card if you lose it, everyone remember, don't be fooled again!!
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This lock is spicy chicken, whether you "believe it or not."
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You can contact the dealer who bought the door, and he will teach you how to set up the card, there should be a mistake in the operation
You need to inform the manufacturer about this.
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