24
4.
5.
MAINTENANCE
You can clean external surfaces by soft, slightly damp cloth. Never use abrasive chemicals or water for this purpose. Watch
electronic parts of the system during changing batteries. Don’t contact sharp or conductive materials to those parts.
4.5.1.
R
EPLACING FINGERPRINT READER’S BATTERY
If you start to see “
BL”
message on fingerprint reader’s display, you need to replace
the battery. Please get a new CR123A 3V lithium battery and follow steps below:
- Unscrew set screw (and unscrew long screw if you installed fingerprint reader from
inside) and remove metal cover.
- Replace the battery with new one. Watch the polarities!
- Place the metal part and tighten screws.
4.5.2. CHARGING MOTORIZED CYLINDER
If you hear triple warning tone after any operation (locking/unlocking),
or if the motorized cylinder rotates too slowly, you need to recharge it.
The device is fully charged around 3 hours.
We recommend to charge your device once in two months even the batteries are not empty.
USE PROVIDED CHARGING CABLE ONLY!
Set
Screw
Metal
Cover
Battery
Summary of Contents for Utopic R
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