FAQ 1 페이지 > (주)유니코하이테크

Please check which parts have been replaced when receiving A/S. If main PCB and inner body are replaced, you should re-register the passwords and keys.

Please check below after making sure that other lock is not using except the digital door lock.

1. In case of Rim Locks. if the door sounds open and re-locks after a while, the door lock is normal, please check that the other door lock device is using or not.

2. In case of Mortise lock if the door sounds open and re-locks after a while but door is not opened please contact our service center.

Please buy a 9V battery and connect to emergency power supply terminal at outer body of the door lock.

When key pad light on or numbers appeared by pressing(depending on models) * or # or touching the key pad, press password as usual and press * or # again then you can open the door. However, the 9V battery should remain in connection with the terminal until the door is opened, and if it has been disconnected,  try again.

If it is not operated by a vertical or horizontal line, such as 1.4.7 or 1.2.3, the internal cable line may be disconnected or internal cable is bent due to incorrect insertion of cable.

Then please contact our service center. 

Please check bellows.

​1. Please check Auto locking setting status and re-set the function(if it’s not set).

2. For Mortise Locks, please check the magnetic sensor in the strike on the opposite door frame of the door lock.

3. For the Rim Locks, Please check whether circular magnetic sensor is installed or not.

4. If the door lock sounds melody only without working, it may be due to low battery. Please replace all batteries with new one, immediately

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If it’s not resolved with the above checks, please call the service center.

1. Battery may be discharged. Please change all batteries (1.5V aa Alkaline batteries)

2. Make sure that the batteries are inserted correctly to match the polarity.

There is a large deviation depending on the installed environment, installation status, and use environment. Usually, it’s about 8~16months. Please change all batteries with new 1..5V AA Alkaline batteries.

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※ The use of some low-cost(Manganese, Alkaline) batteries, mixing other brands, mixing existing low batteries, bulk packing batteries can be cause of early discharge or device break down by battery leakage so please be careful when using them.

1. If there is melody sounds or red light on or key pad flashes in X after putting in password, it will be password error.  If you enter the wrong password three times in a row, a warning tone will be generated, the Key pad will flash, and the operation will be stopped for one minute.

2. It will be battery discharge, if there is melody only without working. Please open the door with 9V battery to connect with emergency power terminal which is on the outer body.

3. If the double locking security mode is set from inside, there will be quick beep sounds after enter the password from outside. The double locking should be unset from inside.

4. If the door does not open immediately after entering the password, and any number appears, dual security mode is set. Press the additional numbers sequentially to open the door.

1. If the door lock sounds melody only without working, it may be due to low battery. Please replace new batteries. You has to use Alkaline batteries and do not use new one with existing low batteries or do not mix with other battery brand. This can cause a mechanical failure.

2. If there is lock working sound and after 3times open/close working and melody sounds but door is not opened, it may be due to either door itself falls or the door or compartment fails to function properly, causing the deadbolt is stuck in a shackle and not operate smoothly. In this case, try push/pull the door strongly or open the door with lifting it slightly. If door is open with this action, should check the door itself.

3. For cases other than No. 1 or 2, please contact our service center.

Please check the volume setting is silent or not and reset the volume(See the manual).

​If the sound is not heard in other setting, there may be a problem with the product, so please