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Revision level 19.09.2006
Operational Instructions 82021 Code-Combi K - Standard
When low voltage is indicated, please change the battery immediately. If the necessity to change the battery is disregarded over
an extremely lengthy period the number of possible opening cycles may be reduced due to the battery’s automatic discharge.
4.1 Changing the batteries
Press the catch on the top edge of the battery cover with a screwdriver and lever off the battery lid. Pull the battery out carefully
until the battery clip is visible. Release the battery from the clip and replace. Re-engage the lid. Please ensure that the cable is
not damaged.
4.2 Emergency power supply
In the case of the door being locked and the battery having discharged emergency power supply is possible.
A 9-volt block battery must be connected to the supply clip in the control unit for this purpose.
Remove the adhesive label.
Supply clip is now visible.
Pull out the supply clip carefully.
Remove protective cover.
Connect the new 9-volt block battery.
Open the lock with a valid code and
change the empty battery.
Put back the protective cover.
