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fingerprint scanner again. Please press the finger against the scanner and on
the central. Or open the door by password or mechanical key.
D. the finger is desquamated or hurt so that the fingerprint is damaged.
Elimination: 2 fingerprints of one person should be registered. Or open the
door by password or mechanical key.
E. The finger is wet, dirty or with sweat or colored some skin care
product. Elimination: clean the finger with tissue and then put it on the
scanner to unlock the door. Or open the door by password or mechanical
key.
F. Put the finger on the scanner too lightly to scan most of the fingerprint.
Elimination: Put the finger on the scanner correctly to unlock the door.
G. The direct sunlight influences the fingerprint imaging. Elimination: use
any light-proof objects to shut out the light.
H. The hand is too cold. Elimination: warm up the hand and try again.
I. The hand is too dry. Elimination: moisture the hand and try again.
4.2.2
The fingerprint is recognized and the green light on, but the door is
not unlocked.
A. Installation error. Elimination: install the lock correctly.
B. Hear the sound of elevator rotating, but the door is not unlocked.
Elimination: 1. The handle is not back to the origin. 2. Square shaft of the
handle is too short. 3. The spring of the handle in the back cover falls off.
4.2.3
The mechanical key can not open the door.
A. Using the wrong key. Elimination: use the right key to unlock.
B. The
mechanical
lock part
is damaged. Elimination: unlock the door
by other methods and then replace the mechanical
lock part.
C. The cylinder is damaged. Elimination: unlock the door by other
methods and then replace the damaged parts in the cylinder.
D. The clutch parts is out of work. Elimination: unlock the door by other
methods and then replace the damaged parts of clutch.
4.2.4
The main spring bolt can not retract completely when the front handle
turning. Reasons include:
A. The lock cylinder can not gear flexibly.
B. There is too much dirt on the oiled part of the cylinder.
