14
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 flexibility 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 fingerprint 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 fingerprint reader and keypad surface with hard, sharp objects.
• When collecting fingerprint, press your finger on the reader horizontally.
• Ask professionals to check the lock if it is not flexible 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 fixed 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 open though
verification by fingerprint,
password and card
succeeded.
Lock installation problem.
Ask professionals to check the lock.
When verification by fingerprint
or password, lever handle
doesn't return to its position.
Return lever handle to its position, and
then re-enter password or fingerprint.
Door cannot open with
mechanical key.
Incorrect mechanical key.
Use correct mechanical key.
Lock cylinder damaged.
Ask professionals to check the lock and
replace damaged components after
opening door by other methods.
Lock body damaged.
The key cannot insert to end.
When unlocking by
fingerprint, the door
cannot open.
The fingerprint is invalid.
Unlock the door by valid fingerprint, or
password or mechanical key.
The fingerprint has been
deleted.
Large deviation of valid
fingerprint.
Re-verify fingerprint, press finger on the
reader horizontally to reduce deviation;
or unlock the door by password or
mechanical key.
The fingerprint is damaged.
Re-add a fingerprint (it is recommended
to register more than one fingerprint for
the same user); or unlock the door by
password or mechanical key.
The fingers are too dry, wet or
dirty.
Re-verify fingerprint after fingers are in
proper condition.