1.Open the battery compartment, remove the batteries, and check for any signs of battery leakage or oxidation on the battery contacts. If present, please contact your local distributor for replacement parts to avoid affecting normal use.

2.If the above issue is not observed, please contact your local distributor to inspect whether the connecting wires of the front panel or lock body are damaged or exposed.

1.Ensure your finger is correctly positioned on the fingerprint scanner.

2.Check whether your finger is soiled or if there are any metal particles on the scanner surface. Wipe it gently with a soft cloth before retrying.

3.If the issue persists after the above steps, you may use an access card or the mechanical key to open the door first. Then, refer to the product user manual to locate the reset button, restore the system to factory settings, and follow the voice prompts to reconfigure your fingerprint, card, or password.

4.When re‑registering fingerprints, you can improve accuracy by recording the same finger at multiple angles and in multiple sets.

1.First, ensure the card is placed within the designated reading area and that the battery has sufficient power.

2.If the problem continues, use the mechanical key to open the door. Then, remove the front panel according to the user manual, locate the reset button, restore the system to factory settings, and follow the voice prompts to reconfigure your fingerprint, card, or password.

3.If the issue remains unresolved, contact your seller or call the customer service hotline at 400-168-0818 for assistance.

1.First, confirm that the password is entered correctly and that the battery has sufficient power.

2.If the problem persists, use the mechanical key to open the door. Remove the front panel as instructed in the user manual, locate the reset button, restore the system to factory settings, and follow the voice prompts to reconfigure your fingerprint, card, or password.

3.If the issue is still not resolved, contact your seller or call the customer service hotline at 400-168-0818 for support.

1.Check if the interior anti-lock function is engaged.

2.If not, try operating the interior handle:

A. Does it feel stuck or immovable?

B. Does it rotate freely without retracting the bolt?

3.If the problem cannot be resolved after these checks, please contact the Yinte service center in your purchase region or call the Yinte after-sales service hotline for consultation.

With ongoing product updates and system upgrades, such behavior generally does not affect normal use. If you are concerned about potential malfunctions, you may contact us to refresh the firmware.

1.Forgetting passwords or losing access cards.

2.Self-disassembly or unauthorized modification of the product.

3.Failure due to special installation conditions (e.g., prolonged exposure to rain outdoors).

4.Damage caused by external forces during transportation, resulting in cosmetic or internal electronic damage.

5.Malfunctions caused by installation performed by non-authorized agents.

6.Products lacking a unique serial number, valid warranty card, or not registered in the After-Sales Cloud Service System. 7.Products purchased through unofficial channels (i.e., not from Yinte authorized dealers or official online flagship stores).

Prices vary depending on the model and specific part. Top Strong smart lock components follow a nationally unified pricing standard.

First, ensure the key is fully inserted into the keyhole. Then, verify that you are following the correct usage method as described in the user manual.