Possible causes for this issue include low battery or system failure. Please follow these steps:

  1. If the smart lock is out of battery or power, you can connect the power supply using a Micro USB (5V/1A) cable to the emergency power port located at the bottom left of the lock.
  2. Use the mechanical key to unlock the lock.
  3. Replace the four (4) AA alkaline batteries with new ones immediately and try again if the lock is functioning properly.
  4. If the problem persists, you can try resetting the lock to its factory settings and setting up the user again.

When you hear the voice prompt “Battery level is too low,” please replace the batteries immediately. Here are the steps to follow:

  1. Press and push up the battery cover to open the battery compartment.
  2. Remove the used battery from the compartment.
  3. Insert four (4) new AA alkaline batteries as shown.
  4. Place the battery cover back by pushing it down.
    Alternatively, to unlock the door, you can use the mechanical key or an external power supply (Micro USB).

The smart lock system has a single superuser who holds the authority to modify the settings. All other registered users, referred to as general users, have normal access and can only unlock the door.

Installation & Repair

Kindly contact authorized reseller for installation service for the Bosch Smart Lock. It is not advisable for consumers to install the Smart Lock themselves.

An authorized reseller can assist you in locating a repair service for the Bosch Smart Lock.

The Bosch Smart Lock is compatible with doors that have a thickness ranging from 40mm to 90mm.


Robert Bosch Sdn. Bhd. warrants to repair Bosch Smart lock if they are faulty or defective in manufacturing or materials for a period of 2 Years from the date of purchase.

Kindly visit our web page for full terms and conditions of our product warranty

You may refer to the warranty card or the product to locate the serial number of the Smart Lock.

Still looking for something?