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Why there is nothing displayed in the screen when press the start button? |
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1.Check the battery case to ensure the power is enough and the batteries were installed correctly. 2.The time of pressing the button can not be too long. Press the start button again and release it after 0.2 seconds. |
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The lock can not be unlocked normally even if the fingerprint matched correctly? | |
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Check if the door can be unlocked by the back handle normally or not. If it is difficult, please check the lock cylinder installation. | |
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Frequently identification refuse? | |
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1.Make sure that the operation finger is the register finger. 2.Make sure that the operation finger is clean and not too dry or too wet. 3.Make sure that the fingerprint capturing device is clean an not be covered by anything. The device can not be suffer strong light radiation. |
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The registration or the deletion of the fingerprint can not be carried out? | |
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Check that if the present operation fingerprint has the administrator right or not. | |
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The lock can not be worked normally after change the batteries? | |
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The time between the new batteries installation and the olds removing should be more than 1 minute. |
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