There is a strange looking gap in the PCB pattern adjacent to the lower left LED in that picture.
Also, if it happened all the LEDs failed to a short circuit due to an overload, then all would indeed read "continuity" as would the board in total. 
There is a strange looking gap in the PCB pattern adjacent to the lower left LED in that picture.
Also, if it happened all the LEDs failed to a short circuit due to an overload, then all would indeed read "continuity" as would the board in total.