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How to change the battery of password door lock

How to change the battery of the password lock?

The battery is generally installed on the panel of the inner door lock, because the location and method of installing the battery may be different for different brands of products. Bian Xiao, add a universal one for everyone!

First of all, the first situation

Step one:

Press the battery cover and push it up. Remove the battery cover. It may be a little tight and need to be pushed hard.

Step two:

Take out all the old batteries and replace them with brand-new 8 No.5 (AA) batteries. Never mix old and new batteries.

Step 3:

Let the combination lock run normally for a few minutes, and then touch the battery with your hand. If there is obvious fever, replace the battery until the temperature is normal, and then cover the box.

How to change the battery of the password lock?

Second, the second situation

Some products use the integral panel, so when replacing the battery, the integral panel of the inner door needs to be removed and replaced!

Third, the third situation

The batteries of some products are installed at the bottom of the panel, so it is necessary to open the card slot at the bottom of the panel with screws and paste the No.8 battery. Generally installed batteries are 4 batteries.