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Thread: Dolphin getting stuck

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    Dolphin getting stuck

    Our Dolphin is constantly getting stuck on top of the main drains. I do not mean due to the drain suction. It gets up on top of the drain cover that is meant to keep someone from getting stuck to the drain.

    Is there a way to prevent that?

    30,000 gal IG 20x40 8ft deep end vinyl liner in NE Ohio DOB Sept 2012
    Hayward 4820 DE filter, Hayward SP2610x15 1.5HP single speed pump
    Hayward H400FDN natural gas heater, Frog min'l/Cl2 system (not in use)
    autocover, Dolphin DX4 cleaner, well water, TF100 test kit

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    Mod Squad Jimrahbe's Avatar
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    Re: Dolphin getting stuck

    Call Maytronics and they will send you a fix for free... Not at all sure it works, but it can't hurt.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    JamieP's Avatar
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    Re: Dolphin getting stuck

    Quote Originally Posted by Jimrahbe View Post
    Call Maytronics and they will send you a fix for free... Not at all sure it works, but it can't hurt.

    Jim R.
    Are you familiar with what the fix is or how it's opposed to work? I'm in a similar situation.
    28,000 gallon freeform, Stonescapes Tropics Blue Minipebble with abalone, 3.5' to 8.5' depth. 2 skimmers, 5 returns, dedicated vacuum port, Dolphin Z5 robot. All Pentair equip: EasyTouch 8, IC60 SWG, VS pump, 520 Cartridge Filter, 3 Intellibrites, 2 Color Cascade Bubblers. TurboTwister Slide and 8' Salt System Jump Board. TF-100. My Jan-Mar 2016 build:
    Waxahachie, TX Owner Build - A race to beat the baby!!

  4. Back To Top    #4

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    Re: Dolphin getting stuck

    Found this on their web site

    "My Dolphin gets stuck on my VGB main drain cover.

    Try turning your pool pump OFF while your Dolphin is in operation. The additional suction from the main drain may contribute to your Dolphin getting stuck.

    Depending on your model, there may be a solution to this problem available from Maytronics in the form of a replacement impeller cover. This alternate cover angles the water expelled from the impeller backwards rather than straight up, which can propel the Dolphin off of high VGB main drains.

    If no such VGB solution exists for your Dolphin model, there are a variety of after-market, 3rd-party devices which can be installed on or over your VGB drain cover to prevent your Dolphin from getting stuck"

    30,000 gal IG 20x40 8ft deep end vinyl liner in NE Ohio DOB Sept 2012
    Hayward 4820 DE filter, Hayward SP2610x15 1.5HP single speed pump
    Hayward H400FDN natural gas heater, Frog min'l/Cl2 system (not in use)
    autocover, Dolphin DX4 cleaner, well water, TF100 test kit

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    Re: Dolphin getting stuck

    I called Maytronics for my DX4, as it was also getting stuck on the main drains (see different thread). Maytronics sent me the VGB kit for the robot...but it doesn't cure things completely. The first time I used it, the robot had no problems with the drains, so I called it a success. A couple of days later, though, it was back to spinning around on them.

    My take is that it helps a bit...but it's definitely not the definitive cure.

    I suspect the only "true" cure would be to get a different robot (one with 4WD, perhaps) and/or, as has been suggested here, an accessory of some sort to put over the main drains.
    16 x 31, Approx. 12,000 Gal Freeform IG pool; Flagstone coping; Quartzscapes Super Blue plaster finish; Tanning ledge w/2 bubblers; 1 HP Pentair Whisperflo pump, Pentair sand filter; (2) Pentair Intellibrite LEDs w/controller; Easytouch8 w/IC-40 SWG; Salt finish concrete decking.

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    Chris19D's Avatar
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    Re: Dolphin getting stuck

    What model is your Dolphin? I have no issues with it getting stuck with my M500.
    ~Chris - 20,000 gallons free-form gunite / Pebbletec, Aquapure 1400 SWG, 2 HP Jandy VS Main Pool Pump, 2 HP Jandy Water feature Pump, 580 Jandy cartridge filter, Dolphin M500, TF-100 w/Speedstir.

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    Re: Dolphin getting stuck

    I have a DX4 like mhosborn. I think I will give Maytronics a call. And I will ask them about the "variety of after-market, 3rd-party devices" they mention. I will also search around a bit if they can not point me to anything. I will follow up and let you know what I find.

    Thanks
    30,000 gal IG 20x40 8ft deep end vinyl liner in NE Ohio DOB Sept 2012
    Hayward 4820 DE filter, Hayward SP2610x15 1.5HP single speed pump
    Hayward H400FDN natural gas heater, Frog min'l/Cl2 system (not in use)
    autocover, Dolphin DX4 cleaner, well water, TF100 test kit

  8. Back To Top    #8

    Re: Dolphin getting stuck

    My s300 got turned around at the main drain the first time it tried going over it but hasn't had a problem since.
    Geebot
    Chicago, IL
    30K gal, InGround Plaster Finish, 3.5'-9.5', Maytronics S300 Cleaner

  9. Back To Top    #9

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    Re: Dolphin getting stuck

    I spoke to Maytronics. They are sending their modified exhaust port. I also asked about the 3rd party devices. They told me about the "Polaris Unicover" and the "Smartpool Smart-Ring." I do not know if these are the right size or if there are different sizes, but I found those two products pretty easily. I think I will wait for their "fix," and take a closer look at these if that does not do it.

    http://www.amazon.com/Polaris-Unicov.../dp/B002WKS7Z6

    http://www.smartpool.com/website/Pro...SmartRing.aspx
    30,000 gal IG 20x40 8ft deep end vinyl liner in NE Ohio DOB Sept 2012
    Hayward 4820 DE filter, Hayward SP2610x15 1.5HP single speed pump
    Hayward H400FDN natural gas heater, Frog min'l/Cl2 system (not in use)
    autocover, Dolphin DX4 cleaner, well water, TF100 test kit

  10. Back To Top    #10

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    Re: Dolphin getting stuck

    I'll probably have to go with some sort of cover that goes over the VGB drains. Will have to start researching soon.

    My concern with any kind of drain cover is that our pool has no deep end, so I'd need the cover to stay in place if people walk on it.
    16 x 31, Approx. 12,000 Gal Freeform IG pool; Flagstone coping; Quartzscapes Super Blue plaster finish; Tanning ledge w/2 bubblers; 1 HP Pentair Whisperflo pump, Pentair sand filter; (2) Pentair Intellibrite LEDs w/controller; Easytouch8 w/IC-40 SWG; Salt finish concrete decking.

  11. Back To Top    #11

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    Re: Dolphin getting stuck

    So I got the Maytronics "fix." It is an impeller cover with an added "hood" that diverts the water back and provides a bit of forward "propulsion." In a couple of weeks, it has not gotten stuck on the drain once. That is a major improvement. If you have the same issue, I would definitely call them to get this before trying anything else. Note that you need to have your serial number when you call.

    dx4 cover.jpg
    30,000 gal IG 20x40 8ft deep end vinyl liner in NE Ohio DOB Sept 2012
    Hayward 4820 DE filter, Hayward SP2610x15 1.5HP single speed pump
    Hayward H400FDN natural gas heater, Frog min'l/Cl2 system (not in use)
    autocover, Dolphin DX4 cleaner, well water, TF100 test kit

  12. Back To Top    #12

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    Re: Dolphin getting stuck

    I have called Maytronic about this issue. They send you a free device that directs the impeller water jet backwards, but it doesn't work at all. The second time I called them, they instructed me to BUY a type of cone that builds a ramp around the drains so that the tracks don't get stuck off the ground. Either way, it's not right that we have to buy another device to fix their flaw. Stay away from Maytronics.

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    Re: Dolphin getting stuck

    I'm now experiencing this issue with my Dolphin Z5. It's exhausting. Need to call Maytronics tomorrow.


    17'x35' 22,500 gal. Gunite IGP 3.5-8.0 ft. IC60 SWG, 2 skimmers, 2 main drains, 4 returns. CCP520 cartridge filter, 3hp IntelliFlo 2 VST VSP, EasyTouch 4, ScreenLogic2, 2 IntelliBrite Color LEDs, Poolmiser autofill, UltraTemp 120R H/C 125K BTU heat pump, Diamond Brite Super Blue, No spa or water features.

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    Killer95Stang's Avatar
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    Re: Dolphin getting stuck

    Every pool is not the same and their are probably 100s of covers for those drains. You can't expect Maytronics to build a robot that can clear all of them. A basic part of an under water vacuum / robot is the requirement that the unit remains fairly low profile. That low profile requirement ensures that you actually have suction between the floor of the pool and the suction device. If your carpet vacuum rode 3" off the ground, how much dirt do you actually think you would pick up.

    These robots are expensive and a lot of stores offer test drives, to avoid the issues mentioned above
    Pool done!! (backyard = work in progress) 32' x 19' inground freeform with 7' spa, baja step w/ (2) bubblers, stonescapes mini pebble finish, rock waterfall feature, 12" raised bond beam, Intelliflo VS, Whisperflo feature pump, (3) 5G Color LED's, FNS + DE 60, 400K Master Temp, Easytouch 8 w/ remote, Intellichlor IC40, Vision Classic Ceramic Kamado smoker, Margaritaville DM1000!!! Party Coming Soon!!
    TF-100 Test Kit w/ Speedstir

  15. Back To Top    #15

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    Re: Dolphin getting stuck

    This is true, but my old pool was no problem for the robots, I'd suspect any newer pool with the new style drains is going to have the same problem people are experiencing. My dolphin got stuck all the time on the drain but did manage to get it self off. My smartpool cleaner does get stuck on their too but gets itself off much quicker so design plays into it. I believe aquabot makes a cover on the bottom with rollers that is supposed to help the problem too.

    Quote Originally Posted by Killer95Stang View Post
    Every pool is not the same and their are probably 100s of covers for those drains. You can't expect Maytronics to build a robot that can clear all of them. A basic part of an under water vacuum / robot is the requirement that the unit remains fairly low profile. That low profile requirement ensures that you actually have suction between the floor of the pool and the suction device. If your carpet vacuum rode 3" off the ground, how much dirt do you actually think you would pick up.

    These robots are expensive and a lot of stores offer test drives, to avoid the issues mentioned above
    8000 gal diamond brite pool with 650 gal spillover spa, Pentair 3hp VS pump. Jandy Cartridge filter and Jandy Heat Pump. Jandy PDA automation system with 2 Pentair Laminars. SmartPool NC74S Robotic Pool Cleaner.

  16. Back To Top    #16

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    Re: Dolphin getting stuck

    Turns out the impeller exhaust re-director fix isn't available for my Dolphin Z5 (aka Oasis).

    They did however offer multiple aftermarket options, including this which they suggested first:

    Main Drain Clip-On - Pool Maintenance Simplified


    17'x35' 22,500 gal. Gunite IGP 3.5-8.0 ft. IC60 SWG, 2 skimmers, 2 main drains, 4 returns. CCP520 cartridge filter, 3hp IntelliFlo 2 VST VSP, EasyTouch 4, ScreenLogic2, 2 IntelliBrite Color LEDs, Poolmiser autofill, UltraTemp 120R H/C 125K BTU heat pump, Diamond Brite Super Blue, No spa or water features.

  17. Back To Top    #17

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    Re: Dolphin getting stuck

    I've seen these and they look good, but how do you know the exact size of your main drain? Then what if people step on them? In deep pools not really an issue I guess, but in Florida with shallower pools, I think that could be an issue.


    Quote Originally Posted by miles267 View Post
    Turns out the impeller exhaust re-director fix isn't available for my Dolphin Z5 (aka Oasis).

    They did however offer multiple aftermarket options, including this which they suggested first:

    Main Drain Clip-On - Pool Maintenance Simplified


    Sent from my iPhone using Tapatalk
    8000 gal diamond brite pool with 650 gal spillover spa, Pentair 3hp VS pump. Jandy Cartridge filter and Jandy Heat Pump. Jandy PDA automation system with 2 Pentair Laminars. SmartPool NC74S Robotic Pool Cleaner.

  18. Back To Top    #18

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    Re: Dolphin getting stuck

    Good question. Mine are in the deep where they won't be stepped on. Was going to order the high profile option.


    17'x35' 22,500 gal. Gunite IGP 3.5-8.0 ft. IC60 SWG, 2 skimmers, 2 main drains, 4 returns. CCP520 cartridge filter, 3hp IntelliFlo 2 VST VSP, EasyTouch 4, ScreenLogic2, 2 IntelliBrite Color LEDs, Poolmiser autofill, UltraTemp 120R H/C 125K BTU heat pump, Diamond Brite Super Blue, No spa or water features.

  19. Back To Top    #19

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    Re: Dolphin getting stuck

    This was one of the main reasons I chose a 4wd model. My older cleaner got stuck on the drains daily and I really, really wanted to avoid that with a robot.

  20. Back To Top    #20

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    Re: Dolphin getting stuck

    Which 4WD model did you go with?


    17'x35' 22,500 gal. Gunite IGP 3.5-8.0 ft. IC60 SWG, 2 skimmers, 2 main drains, 4 returns. CCP520 cartridge filter, 3hp IntelliFlo 2 VST VSP, EasyTouch 4, ScreenLogic2, 2 IntelliBrite Color LEDs, Poolmiser autofill, UltraTemp 120R H/C 125K BTU heat pump, Diamond Brite Super Blue, No spa or water features.

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