Main Admin card and the other
USM recommends that you, the Power User, keep
these items in safe custody, preferably in a safe or
As this card cannot be replaced, you should choose
the safest possible storage location. You and the
assigned card holders should keep the Admin cards
in a safe place to prevent them from being used by
unauthorised persons. Keep any accessories in the
Power User kit so that all of the product parts remain
“Delivery scope and management” p. 9
Can Grants be distributed
Yes, Grants can be sent remotely. The user needs a
user account. The Grants are displayed to the user
Can I change the batteries
Yes, you can because the batteries are changed on
the outside. This does not affect the programming
and the lock remains locked if it was closed before
Can the service tool be kept
Yes, the service tool with its integrated magnet
and the RFID cards can be stored together.
Why does my lock C make noises
when I’m not even using it?
Lock Cs regularly move their gear unit to keep the
mechanical lock components in good working order.
During these movements, a locked lock C always
remains locked and an open one remains open. If the
lock is operated on a regular basis, i.e. it is opened or
locked within 24 hours, these extra movements are
Can I be logged into the same
Power User account on several
smartphones and carry out
firmware updates simultaneously?
Why was the firmware update
When carrying out an update, make sure that your
smartphone is always within 2 metres of the lock and
that it doesn’t go into sleep state.
Can the lock C be reset to
but thanks to its smart implementation the
USM Haller lock C offers various solutions if your
requirements change or a user loses his/her card,
1. If a user loses his/her key card or an employee forgets his/
her smartphone, the Power User can carry out an emergency
opening using his/her Admin card or smartphone.
2. You also have the option of deleting Admin cards from a
lock and linking new Admin cards to it, even if an Admin
3. The Power User can pass on his/her admin rights.
All programmings and saved cards can be deleted,
except for the Main Admin card, which remains
saved. To reset this card, the lock needs to be sent
programming three Admin cards
In case an Admin card gets lost or to carry out an
emergency opening if the Power User isn’t on site.
Furthermore, the locks can be divided into different
areas of responsibility by allocating different Admin
Which operating systems are
The USM app supports the following operating sys-
tems: iPhone iOS 13 and above or Android 7 and
How can I reload processes in
Swipe your thumb from top to bottom of the screen.
This reactivates the connectivity and can therefore