Fortress switchboard 10 lines

[Festrako]

Hello !

I recently to operate my fortress switchboard 10 lines but I have a problem with the ring bell.

Here is the electrical drawing of the device (raw).

Here is the same with my comments + my dispay. The earth is connected also. As I don't have compatible Wecker 2 (W2, second bell) I switched the selectir on "W1 position".

Here is what happens when an incoming call is received. The problem is that the G31 bell does not ring. This one is supposed to ring being fed by the 4,5V if I understand correctly.

When the socket is mooved to "Dial position", then the alternative bell rings just as in normal use bewteen 2 x FF33.


Could anyone help me solving the probleme ? The switchboard looks in pristine condition, I think the problem comes from me. Thanks in advance

Best regards

[Festrako]

Problem solved. A very small cable was missing.