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Thread: Aqua Pure 1400 SWG - No Flow

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    Aqua Pure 1400 SWG - No Flow

    Hi everyone. Last season I installed a new Aqua pure SWG 1400 in my pool (full setup in signature below). Recently I have been having an intermittent problem that continues to become more frequent/permanent. This system has been working great for about 1-1.5 years with truly no issues until the last month or so.

    I have been getting a no flow error. My first thought was its time to clean the unit so I did the muriatic acid wash on it. The was some scaling, nothing significant, but looked brand new after clean. I also cleaned the sensor with a light scrub pad per instructions online. Things were ok for a week after this.

    I then thought maybe the unit is getting old (although less than 1.5 years old) and my 1500 RPM normal setting on my variable flow pump was too low. So I bumped it to 1750RPM and things were good.

    Fast forward to today (2 weeks later) i am getting the same error. Even at high/max flow rates from pump.

    When the unit starts and does it initial boot up things are fine and looks good - I get a flow signal and its producing chlorine. But within 5 minutes or so after it goes to no flow.

    Thoughts on trouble shooting? I haven't contact Jandy yet as they customer service in the past has been less than helpful - aka they say call a pool "professional"

    I am getting no other errors other than no flow also. Thanks!
    25K gal plaster IG pool/spa - Aqua Pure SWG - Jandy RS8 with OneTouch and iAqualink - 1.5HP Jandy Variable Speed ePump - Pentair 3 HP Spa Jet - Polaris 280 with booster - Pentair Cartridge Filter - 400K BTU MiniMax Heater

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    Join Date
    Jun 2011
    Location
    Long Beach, CA
    Posts
    2,671

    Re: Aqua Pure 1400 SWG - No Flow

    Double check the connection the sensor cable makes to the board. If the connector is not seated properly the sensor can behave the way you are seeing. Make sure you have the proper flow through the cell, must be a minimum of 40 gpm.

    If you are confident that you have the proper flow, then it is most likely the sensor has gone bad, a known problem with the sensors, and will need to be replaced.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

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    Re: Aqua Pure 1400 SWG - No Flow

    Quote Originally Posted by ping
    Double check the connection the sensor cable makes to the board. If the connector is not seated properly the sensor can behave the way you are seeing. Make sure you have the proper flow through the cell, must be a minimum of 40 gpm.

    If you are confident that you have the proper flow, then it is most likely the sensor has gone bad, a known problem with the sensors, and will need to be replaced.

    Thanks for the info. I will check the connections on the board today. I think that's the only thing I haven't done yet. Is there anyway to test/confirm the sensor is bad? Seems 1-1.5 years is not that old. I hate jus throwing parts/money at a problem without really confirming the parts are bad.

    thanks again!
    25K gal plaster IG pool/spa - Aqua Pure SWG - Jandy RS8 with OneTouch and iAqualink - 1.5HP Jandy Variable Speed ePump - Pentair 3 HP Spa Jet - Polaris 280 with booster - Pentair Cartridge Filter - 400K BTU MiniMax Heater

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    Join Date
    Jun 2011
    Location
    Long Beach, CA
    Posts
    2,671

    Re: Aqua Pure 1400 SWG - No Flow

    I have had my system for 2.75 years now and the sensor has been replaced 3 times all under warranty. I have not reached a full year with a single sensor yet.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

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    Join Date
    Jul 2013
    Location
    Grand Rapids, Michigan
    Posts
    55

    Re: Aqua Pure 1400 SWG - No Flow

    How can the gpm be calculated?
    23,200 gallon in ground pool, Vinyl Liner, Salt Water, Variable Speed Pump Intelliflow 3hp/1.32SF/3.96 SFHP, Filter Pentair FNS PLus DE FNSP36, Heater Pentair Mastertemp 250, SWG Jandy APURE35PLG, TF-100 Test Kit

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    Re: Aqua Pure 1400 SWG - No Flow

    Quote Originally Posted by Aspfam
    How can the gpm be calculated?
    I think using your TDH with your pumps factory chart you can get close:

    http://www.inyopools.com/HowToPage/how_ ... auges.aspx
    25K gal plaster IG pool/spa - Aqua Pure SWG - Jandy RS8 with OneTouch and iAqualink - 1.5HP Jandy Variable Speed ePump - Pentair 3 HP Spa Jet - Polaris 280 with booster - Pentair Cartridge Filter - 400K BTU MiniMax Heater

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    Re: Aqua Pure 1400 SWG - No Flow

    update:

    I ended up reading this manual about the connector to the main board. i used the button on the tri-sensor adapter to "calibrate: the flow for the unit per instructions:

    "On the tri-sensor adapter, press and hold the
    calibration button for five seconds until the "Flow"
    indicator is illuminated. See Figure 5."

    So far it seems to be ok - I will report back if the no flow errors shows up again soon.

    link to manual: http://ak.poolsupplyworld.com/wpdf/r053 ... lation.pdf
    25K gal plaster IG pool/spa - Aqua Pure SWG - Jandy RS8 with OneTouch and iAqualink - 1.5HP Jandy Variable Speed ePump - Pentair 3 HP Spa Jet - Polaris 280 with booster - Pentair Cartridge Filter - 400K BTU MiniMax Heater

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    Join Date
    Jun 2014
    Location
    San Francisco Bay Area, CA
    Posts
    4

    Re: Aqua Pure 1400 SWG - No Flow

    Quote Originally Posted by Wicked View Post
    update:

    I ended up reading this manual about the connector to the main board. i used the button on the tri-sensor adapter to "calibrate: the flow for the unit per instructions:

    "On the tri-sensor adapter, press and hold the
    calibration button for five seconds until the "Flow"
    indicator is illuminated. See Figure 5."

    So far it seems to be ok - I will report back if the no flow errors shows up again soon.

    link to manual: http://ak.poolsupplyworld.com/wpdf/r053 ... lation.pdf
    Wicked - I had a similar problem and the adapter's calibration button is exactly what was needed. My "No Flow" message on the LCD is gone, the "Flow" LED is lit, and I'm getting chlorine in my pool again. Thanks for including a link to the sensor manual. I had read through the main manual (for the control panel & salt cell) and there's nothing mentioned about the adapter's calibration button. I guess that's because the adapter is new and they haven't updated the manual to reference it.

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