My Dolphin pool cleaner (about 5 yrs old) stops after about 2 minutes. First the propeller stops.... then about 30 seconds later the crawler stops. Turn off wait a while... turn on... same thing Is there a solution?
You need a new pc board which can not be found anywhere. Your option is to buy the whole motor unit which is approx $400. This will include the PC board and all. At 5 yrs old I would buy a new dolphin.
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I assume the right side is moving. In this case one of the bearings to the wheels may have seized up during its time stored away. Most Dolphin cleaners have 5 wheels with bearings, so it could be one or a combination of a few. Dolphin has expanded on their cleaners in the last few days, what model do you have?
A common problem, especially with 'newer' Maytronics Dolphin brand pool cleaners is that you put the unit in the pool, or even try to turn it on after a cleaning cycle while it is still in the pool, and to that point it has worked fine. You turn the power supply on and nothing happens. You turn it off and back on and still nothing. You leave it, even over night, same thing. What do you do?
While I cannot tell you why it does this (we have a theory but can not confirm it) what usually works is to follow these steps...
1) Unplug everything. Unplug the power supply from the outlet and the Dolphin from the power supply.
2) Let the whole thing sit a couple of minutes (we want to allow any capacitors to discharge).
3) Be sure the Dolphin is out of the water and sitting upside-down on a level surface (Tracks pointing skyward).
4) Reconnect the Dolphin to the power supply and the power supply to the outlet.
5) With the Dolphin still out of the water, perform a self-test. Simply turn on the Dolphin. Within about 15 seconds it should begin to move. The tracks will spin in both directions with and without the impeller motor running at the same time. It is not unusual for the tracks to rotate at different speeds during this test. The test will last for 30 - 45 seconds or so. If it goes on indefinitely, turn it off and contact us for further direction.
6) Assuming the unit has now worked to this point, you should be able to put it back in the water and it will return to normal operation from this point on.
If it still won't run; it runs a few moments and quits the self-test; or runs continuously, contact us thru the Dolphin service form along the bottom of our home page at www.arrowpools.net.
It sounds like you might have a problem with the impeller or drive shaft, which are both common problems with these pool cleaners. Clean around your impeller and your wheels, axles, etc. If these do not cure your problem, it is probably an issue with your electrical system.
There are a few trouble shooting tips you can try for these automatic pool cleaners, but if none of these work, you will want to take it into a professional. The impeller could be blocked, causing it to shut off. Clean the impeller and look for any obstructions. You drive system could be catching. Clean the tracks and wheels. The other problem would be with your electrical system. This is where you need to take it to a pro.
If the dolphin is falling backward when it meets the water line, there is an easy fix. The automatic pool cleaners often have this problem. The easiest solution is to remove the handle floats and attach an 8 oz weight to the bottom inlet cover.
It is usually either the power supply or the motor unit or both. None of those items are considered do-it-yourself repairs. For information on sending the unit in for service you can check with the manufacturer at www.maytronicsus.com or try us at www.arrowpools.net. If the unit is several years old and in need of repair and also the replacement of wear items such as brushes and/or tracks, it can be cost prohibitive to fix. It is helpful if you get the serial number from the units casing when you contact us or Maytronics so we have an idea of how old it is.
It is probably the motor unit and should still be under warranty if it is less than 2 years old. You can use our Dolphin service form at www.arrowpools.net or contact the manufacturer at www.maytronicsus.com for service information.
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.