21
FAQ
Common faults and exclusion
Fault Phenomenon
Possibility Failure Analysis
Solution
The fingerprint is added
successfully, but it is often
reported “wrong finger” when
using the fingerprint to unlock
the door or enter the system
menu.
The fingerprint imaging quality
is too low, the scratch-proof
film of fingerprint sensor is not
turn off, or the finger is too
wet.
1) Tear off the scratch-proof
film from fingerprint sensor.
2) Add a few users with
different angle on the same
finger.
3) Dry your finger and add the
fingerprint again.
There is alarm and OLED
screen prompt “low battery”
when unlock the lockset.
The power has almost run
down after long period of
usage.
Please replace the battery in
time.
There is no light on the
fingerprint sensor.
The power might be too low
to have the fingerprint sensor
worked normally.
1) Battery low, please replace
the battery immediately.
2) If the OLED screen is
lighted, use password to open
the door.
3) Please use mechanical key
to open the door.
The door cannot open after
successful verification under
normal usage.
1. System failure.
2. Lockcase clutch failure
Lift up and press down the
handle repeatedly. If the lockset
is still not able to be unlocked,
please use mechanical key to
open the door and contact the
local dealer for