What happens if a dSM is defective? digitalSTROM Support September 26, 2018 07:05 Updated Follow Devices without digitalSTROM functions are not impaired in their function. digitalSTROM devices can still be switched via their local push-buttons (e.g. a floor lamp with cord dimmer). The dSM must always be replaced in this situation. Related articles Does a digitalSTROM meter (dSM) have to be reconfigured after an exchange? Is the dSM equipped with surge protection? The dSM flashes and shows a different colour than green? Why are there only digitalSTROM meters dSM up to 16A? What does the colour of the LED of the dSS mean?