Q. What do I do if my charger has no power? 01 January 2021 15:20 Updated A. Please check the Residual-Current Device (RCD). Reset the RCD and the charger will come back on. Related articles Q. What do I do if I’ve reset my Residual Current Device (RCD) however the charger still doesn’t have any power? Q. What do I do if my charger is flashing red?