Obviously the light is signalling a serious protein deficiency - lack of bugs. Even though the owner's manual doesn't mention the need for protein, the best way for bike and rider to get the most out of the Triumph Ownership Experience is to constantly feed the front of the machine with a fresh supply of decaying insects.
A lack of bugs suggests to not only the engine management system, but also to any H-D or BMW riders, that "all show and no go" may be a possibility for the Triumph. Dead insects can keep you from the ravages of motorcycle protein starvation and any misinterpretation by the EMS or other non-Triumph personnel that this is a complete fallacy.
Either that, or you got something wet and it's still pissed off.