Question about Smart Pool Inc Dolphin Diagnostic Automatic Pool Cleaner Ne250

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Where can I buy a replacement board for the powersupply for my DOLPHIN Diagnostic pool vacuum robot, and how much$$? thanks !

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Posted on Jan 02, 2017

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SOURCE: circuit board inside power supply is bad. I need a replacement

You'll need a replacement board. You'll need model and serial numbers off of the cleaner itslef to help identify which power supply and therefore what PCB is needed to replace yours. Try contacting our service center at and click the contact button in the upper right corner.

Posted on Jun 13, 2009

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SOURCE: Dolphin Commander goes forward 2' then back 2' then stops.

I just ran into the same problem and what I did was take off the top yellow straner that exposes the fan. Then when it stops turn fan by hand(that kick starts the fan) and then it will continue to do the cycle

Posted on Jul 25, 2009

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There may be moisture building up inside the motor housing. Try to Open it.

Then make sure no moisture accumulated in the circuits. Mine got the same problem.. after running trouble free for several years it suddenly stop running after the first few minutes..when i opened it a lot of moisture in the circuit. I tot it was toasted. so i took my hair blower and sealed it back and replace the moisture absober (it was soaked).. after first run it would run only the SELF TEST mode.. i tried several method to make it run all the way to the main program.. the solution.. start it and make sure it will not tilt in the first 10 minutes before you let i run sideways to the walls, this makes the program run back to normal.

Posted on Jan 27, 2010

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Goes to wall and turns itself over. It is clean.

Maytronics-Dolphin pool cleaner, Dolphin Diagnostic ...

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Aug 08, 2015 | Dolphin Maytronics Diagnostic Robot...

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Dolphin diagnostic motor replacement

May be the circuit board - There is an on-line group called Circuit Board Medics who can test and repair the board.

Jun 22, 2012 | Dolphin Maytronics Diagnostic Robot...

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Cleaner wont reverse.will try to climbe out of pool wont reverse. this is a dolphin superkleen.

Contact Maytronics, manufacturer of the Dolphin cleaners, for troubleshooting assistance and referrals to regional service centers directly at or 1-888-DOLPHIN.


May 23, 2011 | Dolphin Maytronics Diagnostic Robot...

1 Answer

My dolphin will not move, hum or show any sign of life when I started this pool year. (The light comes on,on the switch)

My Dolphin is doing the same thing (ie not doing anything, but on-off switch does light up).

When I unscrewed the bottom off the power supply (the thing with the on-off switch), I found the board was literally burned up. Before giving Dolphin a call to see about a replacement board, I will remove the side panel of the Dolphin itself to expose the drive belt to ensure there is no object lodged in it which could be the cause. I suspect this would be a worthwhile course of action for you also.

May 07, 2011 | Dolphin Maytronics Diagnostic Robot...

1 Answer

Is it safe for vacuum to be left in pool while superchlorinating?

Thank you for posting your question here on

It will not directly affect the cleaner but may discolor (fade) the plastic. Since the cleaner should never be in the water when the pool is in use are you certain there is a need to disinfect the cleaner? You may be better off washing the filter bag on a sanitary cycle in a washing machine instead of running the unit in a high chlorine environment.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


Jul 12, 2010 | Dolphin Maytronics Diagnostic Robot...

2 Answers

Stops running after about 2 minutes

Question the manufacture about a new circuit board.

The Pool Tech

Jul 10, 2010 | Dolphin Maytronics Diagnostic Robot...

2 Answers

Need replacement motor. Two years old motor shot

The only place that you can buy a replacement motor for these automatic pool cleaners is directly from Dolphin.

May 31, 2010 | Smartpool Dolphin Robo - Kleen Above...

1 Answer


Use the contact feature on our website and include your dolphin model number and the serial number in your inquiry. We will respond with the current part pricing. For help with the serial number location, look here...


Nov 10, 2009 | Dolphin Maytronics Diagnostic Robot...

1 Answer

The robot only works for about 10 minutes then stops.

For warranty and non-warranty repair service contact us using the dolphin service form at or you can try the manufacturer at

Jul 20, 2009 | Smart Pool Inc Dolphin Diagnostic...

1 Answer

Dolphin pool cleaner won't go up to top of the pool , only half way up the wall

Most times when a cleaner won't reach the water level in a pool it is usually due to the internal floats being removed or they are no longer in good condition.
Turn the machine upside down, and remove the bag assembly. Should be foam in the plastic housing, underneath, if not replace.

Jul 03, 2009 | Dolphin Maytronics Diagnostic Robot...

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