Unlock – lock functions
2 Functional description
Depending on the method of connection, the lock has the following function sequences:
You can connect the lock as follows:
Q Stand alone
via a potential-free contact or via the HiO-enabled push-button
Q Via the UII control module
2.1 Unlock – lock functions
Via a potential-free contact,
e. g. release button, access control, timer …
The lock releases for 5 sec.
All bolts disengage,
the lock latch is revealed.
1. The door remains closed.
The door is locked after 5 sec.
All bolts engage,
the lock latch is revealed.
2. The door is opened.
The lock remains unlocked until the door is closed again.
The lock latch is extended.
3. The door is closed again.
All bolts engage,
the lock latch is revealed.
UII
When connecting via the UII control module you can adjust the release time:
- from 2 sec. up to 28 sec. or
- to permanent unlock or
- to changeover function
That can happen
Symptom Possible cause Information
Mechanical block Door leaf or frame warped or
under tension
Lock not releasing
Undervoltage At least 21.5V must be present
at the lock.
Too weak or unsuitable power
supply unit and/or too small
wire cross-section.
Lock interrupting unlocking
procedure and locking again.
Undervoltage At least 21.5V must be present
at the lock.
Too weak or unsuitable power
supply unit and/or too small
wire cross-section.
Lock releasing and locking, 3
times in all
Door contact not switching No metal striking plate present
Too large rebate clearance.
Page 28 D0038804
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