GV-AS120 Controller
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3.4 LED Status and Beeper
Normally, the LED on GV-AS120 is blue during standby mode and the LED flashes green
when a card is granted access or when the operation was successful. A red LED indicates
access denied or the operation was unsuccessful. The LED status and beeper under
different conditions are listed below.
Condition LED Beeper
Card Mode Constant blue Silent
Release Mode Flashes green Silent
Force Unlock Mode Flashes green Silent
Force Lock Mode Flashes red Silent
Tamper / Forced Open
Alarm
Flashes green and red Constant beep until alarm
cancelled
Held Open Alarm Unchanged Constant beep until alarm
cancelled
Access Denied Alarm Flashes red momentarily Short beep for the number of
seconds specified
Access Denied Flashes red momentarily Two short beeps
Access Granted Flashes green momentarily One short beep
Enroll Card Flashes green momentarily Two long beeps
Delete Card Flashes red momentarily Two long beeps
Enrolled/Deleted card
successfully
Displays green LED
momentarily
One long beep
Enroll/Delete card failed Displays red LED
momentarily
Three short beeps
Firmware update Flashes red, green and
blue
Silent
Firmware update failed Flashes purple Constant beep
Factory default Flashes blue Silent
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