Dolphin Premier won't pick up sand or climb walls

by Randy Gideon
(Oak Island, NC)

I did a good bit of research on robotic pool cleaners and decided on a dolphin premier. It looks nice, but will not climb the walls well (I have an in ground fiberglass pool with a ledge around it, the cleaner gets hung on the edge, but won't even climb the wall well on portions of the pool with no ledge). My biggest complaint is that it absolutely will not pick up sand... runs right over it and stirs it up a little, but will not pick it up. Suggestions?

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Apr 01, 2022
by: Anonymous

I have the Dolphin M400. i have not had a issue with it not picking up sand. It picks up the sand, and the small leaves. It will climb bottom step, but not the rest & not the sun deck or ledges. Overall I love it, just wish it did all the steps and sun deck.

Aug 19, 2021
by: Jim

Same problem, my Premier won't clean sand. When I first got the unit, they had a DolphinTech App and it would allow you to run the robot at 1/2 speed and it worked well for sand. The app has since been disabled.

May 29, 2019
Dolphin M500
by: PL

Same problem here. Brand new pool - brand new robot "Dolphin M500"
Does not climb and clean walls, does not clean steps, does not clean water-line and leaves a lot of dirt on floor behind. When lifting it out a huge amount of sand flushes back into pool. Very disappointing for this amount of money paid. The app doesnt work either. When selecting "floor only" it tries to climb walls and cleans same spots several times while not going to certain areas at all. Also, the instruction manual does not explain which way to set handle for speed - only how to move handle.

Aug 05, 2015
Dolphin Supreme M400
by: CJ White

Just purchased an M400 Dolphin cleaner and even though I received a written response from Maytronics that this cleaner would definitely climb out safety ledge due to its wheels more like a tank, it does not, as I found out when I used it for the first time today.
I too noticed that it does not pick up the sand in the shallow end, but did in the deep end.
Entire reason for payout such a large amount of money for this one was it's supposed ability to climb, and great cleaning & get me out of cleaning manually. Defeats purpose if I have to clean to get the sand out.

Jun 30, 2015
Sand is difficult

Sand is difficult for a fast robot to pick up. A slower model would actually do a better job getting the sand.

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