Service
Technical Manual
56
HAC Standard fixing - 02/2018
dormakaba c-lever pro
8 Service
8.1
Serial number
The serial number with QR code is located on the backplate of the internal fitting.
8.2
Replacing batteries
Requirement
•
2 new batteries 1.5 V AA lithium are available.
•
The multitool is available
NOTICE
Danger of damage to electronic components from electrostatic discharge.
If electronic printed circuit boards and components are handled incorrectly, damage may oc-
cur which leads to their complete breakdown or sporadic faults.
•
When installing and repairing the product, the general ESD protective measures are to be
observed.
Whilst the battery is being changed, all the data (access authorisations, configurations and
traceback) is retained in the battery-independent memory. The clock settings are lost after 45
seconds.
Procedure
NOTICE
Damage to the union nut
When loosening the union nut, make sure it does not touch the threaded pin.
•
Using the multitool, loosen the union nut from the internal fitting (>360°).
>360°
•
With locking cylinder: If necessary, loosen the forend locking stud.
•
Push the cover out of the groove (1), pull it forwards slightly (2) and turn (3).
