So my Lester E-Series II 28080 smart charger is acting up. Actually it charges fine, but has a fast red LED blink at the end of the charge cycle. It is supposed to be solid green when finished. In the owner's manual it states 'Hardware fault, contact Lester Electrical. Unit is still able to charge'. How concerned should I be with this, and what could be the issue here? This charger is only a year old.
