Issue
Relay B is always on even when there is no alarm on the panel.
Solution
The D136 relay installed in the ALT ALARM relay socket is upside down. It should be installed with the three pin side at the top side of the socket, left or right does not matter.
Part numbers D7212B, D9112B, D7212B1, D9112B1, D7212, D7412, D9112, D9124, D9412,
