scantronic 9000

Hello, I recently moved into a town house with a Scantronic 9000 series alarm fitted with the property. I have been activating/deactivating the alarm from the control panel keypad as normal and a few months in most buttons and numbers suddenly stop working when pressing on the keypad. The...

I have a Scantronic 9000 system which is about 27 years old, only needed occasional backup battery changed and the 16ohm speaker in the bell box changed over 27 years. Just had to reconnect the speaker as one of the wires had corroded through, sounder now works. The strobe however is not...