Set Appliance State:

Mains Power Off
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Access the diagnostic display by holding the mode button until the display changes (approx. 5 seconds).
Use the +/- buttons to scroll to 35 (this is the level 2 password)
Press the mode button to confirm.
The screen will show d 0 at the bottom and the value it is currently set to.
Use +/- to scroll to the desired number then press the mode button display the value.
(You can use this link to see all of the diagnostic code numbers if required)
In this instance d93, this will display the DS number setting.
For the BG330+ it should be set to 7.
Is the DS number set correctly?