28
EN
Functions and operation
Signals
Alarm signal
There are two causes for alarm signals:
· Either a malfunction is present or
· the Technilock
®
L4 cannot be switched to the desired state.
The Technilock
®
L4 attempts to switch to the desired “locked” (“unlocked”) state three times. If it does not
succeed, the “alarm” status is activated. In this state the Technilock
®
L4 attempts to lock (unlock) again.
Tampering signal
There are two causes for alarm signals:
· Either tampering has taken place or
· the system is impermissibly switched to a different state (not using the electrical trigger action or the
locking cylinder).
The still functional Technilock
®
L4 automatically attempts to counteract tampering. In the “fail-unlocked”
variant, it is actively locked, whereby operating voltage is applied to the working coil. If the bolt now leaves
the “locked” position without an electrical trigger action or manual operation of the locking cylinder, the
“tamper” status is activated. In this state the Technilock
®
L4 attempts to lock.
Diagnostic signal
The present voltage is low. Signal 5 is set to “low” and the internal LED illuminates.
Behaviour when alarm is signalled
Ending the “alarm” status
1 Actuate the Technilock
®
L4 via the locking cylinder or
actuate an electrical trigger action.
2 Eliminate the cause for the triggering of the alarm.
The “alarm” status is ended.
Ending the „tamper“ status
1 Actuate the Technilock
®
L4 via the locking cylinder or
actuate an electrical trigger action.
The “tamper” status is ended.
2 Have the Technilock
®
L4 inspected by a qualified expert, because it can be damaged by tampering.
Three failed attempts
trigger an alarm
The Technilock
®
L4
actively attempts to
counteract tampering
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