User's Manual

17
Maintenance
Daily Maintenance
• Do not let lock contact with corrosive materials to avoid lock damage and impacting its gloss.
• As a key part of the lock, do not hang any object on the lever handle for its exibility directly impacting the
use of the lock.
• If door deforms, it increases friction that combined latch bolt entering the box strike plate and bolt cannot
extend fully. At this time, adjusting strike plate position is needed.
• After using ngerprint reader for a long time, its surface may be stained or wet. Wipe gently with a soft and
dry cloth.
• Replace batteries immediately once battery voltage is low to ensure the normal use of the lock. Pay
attention to the positive and negative poles of batteries when replacing them.
• Keep the mechanical key properly.
• Do not scratch the ngerprint reader and keypad surface with hard, sharp objects.
• When collecting ngerprint, press your nger on the reader horizontally.
• Ask professionals to check the lock if it is not exible or cannot be held in correct position.
• Keep lubricant in the rotating part of the lock to keep it rotate smoothly and prolong its service life.
• It is recommended to check the lock once every six months or one year, and check whether xed screws
are loose.
• Apply a small amount of graphite powder or pencil powder into lock cylinder slot to ensure the key is
inserted and removed smoothly on regular basis (one year or six months). However, do not apply any
grease to lubricate in case of grease sticking to the pin tumbler spring.
FAQ
Problem Cause Solution
Door cannot be opened
successfully through
verications by
ngerprint, password or
card.
Lock installation problem. Ask professionals to check the lock.
When veried by ngerprint or
password, lever handle doesn't
return to its position.
Return lever handle to its position, and
then re-enter password or ngerprint.
Door cannot be opened
with mechanical key.
Incorrect mechanical key. Use correct mechanical key.
Lock cylinder damaged.
Ask professionals to check the lock and
replace the damaged components after
opening door by other methods.
Lock body damaged.
The key does not insert to end.
When unlocking by
ngerprint, the door
cannot be opened.
The ngerprint is invalid.
Unlock the door by valid ngerprint,
password or mechanical key.
The ngerprint has been
deleted.
Large deviation of valid
ngerprint.
Re-verify ngerprint, press nger on the
reader horizontally to reduce deviation;
or unlock the door by password or
mechanical key.
The ngerprint is damaged.
Re-add a ngerprint (it is recommended
to register more than one ngerprint for
the same user); or unlock the door by
password or mechanical key.
The ngers are too dry, wet or
dirty.
Re-verify ngerprint after ngers are in
proper condition.