38
6.5.2.
R
EPLACING FINGERPRINT READER’S BATTERY
If you start to see “
BL”
message on fingerprint reader’s display, you need to replace
the batteries. Get 2x AAA Alkaline (or 1,5V Lithium Batteries) and follow steps below:
- Unscrew back plate screw. Hold fingerprint reader from bottom part, pull and lift up to detach
it from back plate.
- Replace the battery with new one. Watch the polarities!
- Attach fingerprint reader to back plate and tighten the screw.
Back Plate
Screw
DESi
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