My Dolphin won't run for more than 30-60 seconds!
This seems to be a common problem, judging by other comments posted here. I have a Dolphin Dynamic pool cleaner (about $1800 at Leslie's Pool Supply). When I turn it on at the power supply, it starts up normally, does its little pivoting pirouette and then sets off in one direction with the impeller spinning and driving the exhaust water out the top. Within about 30 seconds it begins to slow down to a crawl, then the impeller stops turning, the water stops flowing so it loses the ability to suck debris in through the intake doors on the bottom and then it comes to a complete stop. All within about 60 seconds. If I shut it off for a minute and then turn it on again, it starts up again just as normal but repeats the process, coming to a halt in less than a minute. The bag is clean, I have checked for debris or foreign objects in the drive belt. I have not removed the motor housing but that is not owner serviceable anyway. Has anybody found a solution to this problem? Seems crazy that these units should fail so quickly!