If the robot does not run the impeller motor at all, you can try twisting on the shaft with the impeller off while starting to see if it starts or tapping on the motor do not tap on the shaft because you might bend it if the motor starts to run at that point.
DOES YOU POOL CLEANER WORK FOR A MINUTE OR TWO AND STOP. THE MOST COMMON PROBLEM IS THIS MOTOR AND IT SUPER EASY TO FIX YOUR SELF. DON'T PAY SOMEONE HUNDREDS TO REPAIR YOU POOL CLEANER, FIX IT YOUR SELF WITH PATIENCE, A FEW TOOLS AND THIS KIT. DOLPHIN IMPELLER MOTOR REBUILD REPAIR KIT PG 6325-28/40-RL ONLY. WITH BEARING PULLER!! READ THIS FIRST!!!!!!! YOU MUST SOLDER BRUSHES TO PLATE. YOU MUST HAVE SOME SKILL LEVEL AND TOOLS TO DO THE JOB AND PATIENCE COMES WITH NEW BEARINGS 2, MOTOR BRUSHES, 2 O-RINGS, 2 SHAFT SEALS, AND O-RING LUBE.I CAN ALSO GIVE YOU INSTRUCTIONS ON THE REPAIR. NOTE: THIS IS THE REBUILD KIT FOR IMPELLER- FAN MOTOR ONLY PART # PG 6325-28/40-RL ONLY. I HAVE THESE MOTORS IN STOCK IF YOU NEED A REMANUFACTED MOTOR. ALSO REPAIR JUST ABOUT ANY PROBLEMS YOU HAVE WITH YOU POOL CLEANER SO CONTACT ME WITH YOUR PROBLEM AND LET ME KNOW WHAT YOU HAVE AND NEED. PLEASE VISIT MY STORE FOR MORE REPAIR KITS AND PARTS FOR YOU POOL CLEANER..
DOES YOU POOL CLEANER WORK FOR A MINUTE OR TWO AND STOP. THE MOST COMMON PROBLEM IS THIS MOTOR AND IT SUPER EASY TO FIX YOUR SELF. DOLPHIN IMPELLER MOTOR REBUILD REPAIR KIT 5500025 ONLY. NOTE: THIS IS THE REBUILD KIT FOR IMPELLER- FAN MOTOR ONLY PART 5500025 ONLY.