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7.5.2. REPLACING BATTERIES OF KEYPAD
If you start to see “b” message on keypad’s display or if you are getting
problems to use keypad in a proper way (e.g. motorized cylinder doesn’t
unlock the door even if you enter correct password) , you need to replace
the batteries.
Get 2x AAA Alkaline (or 1,5V Lithium Batteries) and follow steps below:
- Unscrew back plate screw. Hold keypad from bottom part, pull and lift up
to detach it from back plate.
- Replace the battery with new one. Watch the polarities!
- Attach keypad to back plate and tighten the screw.
Back Plate
Screw
DESi
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