I just received my Explorer E30 (S200) today. Worked great for 20 min then stopped. I cleaned and reset it and it worked great for another 20 min. Now it doesn’t work at all. Additionally, two of the four buttons on the power supply don’t work and there is a nick in the impeller. Waited on hold with Maytronics. They want me to ship it for service. Service after less than an hour of use. I am NOT happy. Left voicemail with Marina Pool and Spa where it was purchased. (They are VERY difficult to get on the phone). Grrrrrr. Ideas anyone?