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As long as it is an automatic lock, there will be more failures than a non-automatic lock.
The simpler it is, the lower the failure rate because it's simple.
One is to look at the people outside, and the other should be able to open the door, but this has to ask for the unlock.
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Add some oil to the automatic lock and it should solve the problem for you.
It can only be said that in general, there are a lot of after-sales problems, and my buddies are looking forward to after-sales, and every time they encounter an automatic lock, they have a headache.