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Reminder

After the Lock is installed, double check or debug it as follows:

Maintenance

Maintenance

Appendices

Packing List

FAQs

The fingerprint, password 
and RF card are verified, but  
the door do not unlock.

The door cannot be unlocked 
with the mechanical key.

After verifying a fingerprint, 
the door do not unlock.

There is no response when 
the keypad is touched.

• Installation problem;
• Mechanical fault of the lock body.
 

• Wrong mechanical key;
• The cylinder is damaged;
• The lock body is damaged.

• The batteries are running out or

installed incorrectly;

• The connecting wires are too loose;
• Touch panel fault.

• The lock body is damaged;
• The cutting length of flat iron is too 

short that affected the exterior unit.

• The batteries are running out or

installed incorrectly

• The connection between the 

interior and exterior units gets 
loose;

• Mechanical fault of the lock body.

• The batteries are running out or 

installed incorrectly;

• The connection between the 

interior and exterior units gets 
loose;

• Mechanical fault of the lock body.

• Battery cover deforms;
• Battery cover is installed upside 

down.

• Invalid fingerprint;
• The fingerprint has been deleted;
• The finger is placed in the wrong 

place;

• The fingerprint is damaged or your 

finger is too dry, wet or cold;

• You press your finger too hard and 

the fingerprint loses shape or you 
press your finger too lightly that the 
fingerprint does not fully cover the 
input area.

• Ask a professional technician to 

check the lock.

• Use the correct mechanical key;
• Ask a professional technician to 

check the lock and replace any 
damaged parts.

• Use an emergency power or 

emergency mechanical key to open 
the door and check the batteries;

• Use the mechanical key to open 

the door and ask a professional 
technician to check the lock.

• Ask a professional technician to 

check the lock and replace any 
damaged parts.

• Ask a professional technician to 

check the lock and replace any 
damaged parts.

• Ask a professional technician to 

check the lock and replace any 
damaged parts.

• Replace the damaged parts;
• Reinstall the battery cover with the 

arrow pointing upwards.

• Use a valid fingerprint or change 

the password or use the emergency 
mechanical key to open the door;

• Register another fingerprint;
•·Moisten/dry/warm up your finger 

and try again;

• Input the fingerprint correctly.

Exterior unit/set

Interior unit/set

Lock body

Instruction

Hole drawing

RF Card

Key cylinder, key 
and screw/set

Latch protector

Latch box

Drying agent

Accessories package

Pre-fixing board

Silicone stopper

• Keep the lock surface away from corrosive substances to prevent the damage of the 

lock’s surface protection layer.

• The handle is a key part of the door lock. Do not hang objects on the handle.
• If the door is deformed, the latch bolt cannot be fully extended. In this case, the 

position of the latch protector and the latch box should be adjusted by professional 
technicians.

• If the fingerprint input area is dirty or wet, wipe it gently with a dry soft cloth.
• When the power is low, replace all batteries immediately to ensure the lock can work 

properly.

• Take the mechanical key with you and do not put it in the house.
• Do not scratch the fingerprint input area or touch the keypad surface with a hard, 

sharp object.

• The lock body should be maintained once every six months to ensure it is normally  

operate.

• If the key cannot be inserted smoothly, fill the lock cylinder groove with graphite 

powder, pencil powder or special-used lubricant. Do not add any oil for lubrication to 
avoid the grease sticking to the spring as this may jam the cylinder.

Check the following to make sure that the package contains all the parts.

No.

Name

Quantity

No.

Name

Quantity

Emergency knob gets stuck.

Door opening button on the 
back handle does not work.

Double-lock knob does not 
work.

Battery cover tilts.

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Operation

Installation 

Maintenance

Appendices

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Operation

Installation 

Maintenance

Appendices

Содержание MLPBF510D21

Страница 1: ...the contents in this manual have been checked carefully If there are any errors in printing or misunderstanding in the contents please contact Midea ENG Note Where there is a technical improvement on...

Страница 2: ...manual after installation and commissioning contact Midea Customer Service Center If your home undergoes renovations ask a professional to dismantle the Lock and reinstall after the renovations have...

Страница 3: ...ng the emergency knob first turn the knob to lock and then turn the knob to the opposite direction to unlock Double lock inside All the illustrations of this manual are for explanatory purposes only I...

Страница 4: ...ro USB 5 V to connect the mobile power to unlock the door Replace all batteries immediately after unlocking Remove the battery cover insert eight 2A batteries into the battery compartment and install...

Страница 5: ...menu Press to add permission and press to add a card Step 2 Place a card close to the reading area After the card is registered the voice prompt will indicate the card number Settings Procedure Resto...

Страница 6: ...all cards Modify the administrator password Select to delete all passwords means every passwords except the one for factory administrator will be deleted Menu volume adjustment Doorbell volume settin...

Страница 7: ...on the exterior unit adjust the position of the interior unit and tighten the split screws to fix the interior unit Install the battery and confirm whether the Lock is powered on normally Install the...

Страница 8: ...ician to check the lock and replace any damaged parts Ask a professional technician to check the lock and replace any damaged parts Replace the damaged parts Reinstall the battery cover with the arrow...

Страница 9: ...acity Fingerprint capacity RF Card capacity Password length Light interference Working temperature Working humidity Application sites 50 50 6 12 digits Avoid direct strong light 25 C 55 C 10 90 Indoor...

Страница 10: ...2021 10 25 V F...

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