TECHNICAL KNOWLEDGE BASE
Common Issues
Common Issues
Common Issues
GT-DMB-N Resident Information Programming
Summary Steps to program an apartment number and name in a digital entrance station. Solution From the keypad enter #*1111 (screen should display “re-enter code”). Enter *1111. Use the arrow keys and scroll to System Settings. Press the green Bell button to enter the menu. Use the arrow keys and scroll to… Read More
Unresponsive GT-NS or GT-DMB Digital Directory
Summary GT-NS/GT-DM is unresponsive or frozen. Cause Possible reasons: The R1/R2 conductors are shorted or disconnected (GTA/V-DES or GT-DM). The GT-NS is disconnected from the GT-DA, or the GT-DA is malfunctioned (GTA/V-DES). The GT-NS has malfunctioned caused by a possible power surge (GTA/V-DES). Solution First ensure proper connection on… Read More
Clearing and Reprogramming a Tenant Station
Summary Clearing and reprogramming an incorrectly programmed tenant station. Solution GT Series Push Button Entrance Station Place the entrance station in programming mode, once there, press and hold the miss-programmed button until you get a steady tone. Release the button during this tone, do not hold the button… Read More
GT-NS Reset Procedure
Summary Steps on factory resetting the GT-NS. Solution Turn on dip switches 1-3 on SW1. Turn on the power while pressing down up and down arrow buttons. Release the buttons when the display turns on. Press the red X button. “E2P ROM CHECK” is displayed during the initialization. “E2P… Read More
Resetting GT-DMB-N Passcode
Summary In case the admin passcode is forgotten, follow these steps to reset back to the default *1111 passcode. Solution Power down the GT-DMB-N. Move the number 8 dip switch to the UP or ON position. Power up the GT-DMB-N. After 2 to 4 seconds, move the number 8… Read More
Clearing Link Data from GT-MKB-N
Summary Steps on how to clear link data from the GT-MKB-N. Solution From stand-by press the Settings button. Press the down arrow to select Advanced Settings and press the Light button. Press the down arrow to select Program Mode. Enter passcode *1111, re-enter code *1111. Press the down arrow to select… Read More
Deleting an Apartment Number from a Digital Modular Entrance Panel
Summary Use this method when an apartment number is no longer needed. You will need the authorization code for the GT-DMB-N to continue with the steps below. By default, the authorization code is set to *1111. Solution Enter program mode by… Read More
Unable To Transfer From Entrance or Guard, or Transfer via Setup Tool
Summary A number of things can cause this problem such as wrong ID, wrong wiring, no power, and more. Solution Here are a few solutions to try: Meter the R1/R2 terminal for voltage. If you get no voltage, then the R1R2 wire is not connected to the GT-BC,… Read More
An Expanded System Failing To Enter Programming Mode
Summary Multiple entrance stations on the system none of which can enter programming mode. None of the entrance stations share the shame dip switch configuration and power to the GT-BC has been cycled. Solution On an expanded system, the 5 entrances can have their ID set as 1 –… Read More
When Trying To Clear Tenant Station Registration an Error Tone Sounds
Summary On a video system, Key + Bell does not clear out the programming on the tenant, instead of a short beep an error tone sounds. Solution Flip all of the dip switches on the back of the tenant station down and then cycle power to the GT-BC. Read More
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