27
2� FAQ
Problem
Cause
Solution
Door cannot be opened
successfully through
verifications by bluetooth
key, app, password or
card.
Lock installation problem.
Ask professionals to check the lock.
The distance between lock
and accessory is too far.
Please make sure that the accessory are close to
the lock.
The battery is low.
Replace the batteries of lock or accessory.
Bluetooth key has expired.
Use another opening method.
Password or card has expired.
Verified by password and
card successfully, but
motor doesn't work, and
door cannot be opened.
The mechenical key inside the
lock is at fault.
Check the lock, and replace damaged
components.
Motor fault.
No response of keypad.
Batteries are out of power or
installed in a wrong way.
Unlock the lock through app or mechanical key,
and check batteries.
Keypad damaged.
Ask professionals to check the lock after opening
door with mechanical key.
The lock remains open,
and cannot be used
normally.
Clutch components fault.
Ask professionals to check the lock.
The door sensor doesn't work
properly.
Calibrate the door sensor again.
The calibrated door
sensor works abnormally,
causing the failure of
automatic locking after
closing the door or
abnormal locking when
opening the door.
The relative position of the
lock and the door sensor has
changed.
Ensure that the lock and the door sensor have
been fixed firmly, and then recalibrate the door
sensor.
There is magnetic field
interference around the lock.
Recalibrate the door sensor after ensuring that
there is no interference of abrupt change of
magnetic field in the surrounding environment.
For additional information about the device, please refer to www.ezviz.com/eu.