36
EN
Alarm signals
Acknowledging an alarm
Acknowledge an alarm and see the cause of the alarm
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1 Push the key to the left:
The alarm is acknowledged.
The four green LEDs flash in pairs.
The alarm signal is indicated by an
LED sequence pattern (“Technical
data, maintenance”, page 57).
The LED indicator display will remain active and the door cannot be locked while
the alarm is present.
2 Eliminate the cause of the alarm
(Tab. 9).
Additional indicator displays
Alarm criteria
Emergency
open button
LEDs
Dark
–
Centrally operated release
Flashes
–
EMERGENCY-OPEN
Lights up
–
Central EMERGENCY-OPEN
activated
Lights up
UPPER yellow LED lights up
External emergency release
(fire alarm system)
Lights up
LOWER yellow LED lights up
Tampering with terminal
Lights up
LEFT-HAND and RIGHT-HAND
LEDs flash
Device or I/O module offline
Tab. 9 :
Alarm criteria