Q. What do I do if I’ve reset my Residual Current Device (RCD) however the charger still doesn’t have any power? 01 January 2021 15:16 Updated A. Check the mains circuit breaker, if this has tripped then it will need resetting for the EV charger to work. Related articles Q. What do I do if my charger has no power? Q. What does my charger mean by 'Suspended EVSE'? Q. What do I do if my Project EV charger is too slow? Q. How does Electric Miles save me money when charging my EV? Q. What do I do if my charger is flashing red?