We present to your attention a universal reference code for intercoms. Here are the standard codes from intercoms. If in your case they do not fit, it means they have been changed by the installers.
Why is it so easy to get into the service mode? And because when installing the intercom, the master making the installation was too lazy and did not change the standard code from the manufacturer. Therefore, I advise you, in case you find that your intercom has standard settings, I recommend changing the code for entering the service mode. Below in the article we consider the codes with the help of which you will be able to open the doors of most models of intercoms that I know. But at once I will tell, the universal password does not exist.
Determination of intercom codes by home or address.
If you are trying to find out the doorphone code at the address of the house, then you need to first find out which manufacturer protects the doors at the desired address. Ideally, also know the model, because the number of possible combinations will significantly decrease and increase the chance of success.
