I PURCHASED A DOLPHIN DELUX 4 POOL CLEANER SYSTEM MANUFACTURED BY MAYTRONICS ON JUNE 4TH, 2009 FROM THEIR DEALER, LESLIE'S SWIMMING POOL SUPPLIES 159 N Burkhardt Rd. Evansville, IN 47715-2727 (812) 476-1077. THE UNIT WORKED AS ADVERIIZED THROUGH JUNE AND JULY. I FOLLOWED THE VERY LIMITED MAINTENANCE INSTRUCTIONS IN THE MANUAL, AND THE WEBSITE AFTER EACH USE. THE UNIT STOPPED WORKING AROUND AUGUST 1ST; I FOLLOWED INSTRUCTIONS IN CLEARING ANY OBSTRUCTIONS FROM THE DRIVE UNIT AND IMPELLER. I BROKE THE FUSE HOLDER TRYING TO REMOVE THE FUSE... read full review »