distance is too close
supply.
connect the housing to the
ground.
2. Part of the electrical lock
interference is too large.
Choose the qualified lock or
parallel connect a 470uF/25V
electrolytic capacitor at the two
ends of the lock.
Can’t recognize
fingerprint
1. Dryness and broken of finger
skin
Moisture the finger or change
another finger.
2. Pressing area is too small to
sense to activate
Press the finger properly as
required.
Fingerprint Standalone
Access Control User Manual
