Changes

===The module is off, indication absent:===

===The module is off, indication absent:===

*check the connection to 24V supply unit as shown in '''table 2''' (contacts pin assignment);

*check the connection to 12V supply unit as shown in '''table 2''' (contacts pin assignment);

*check the connection of the supply unit to 220V power mains, the indicator should be ON.

*check the connection of the supply unit to 220V power mains, the indicator should be ON.