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Thread: Heater Won't Turn On

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    Join Date
    Jul 2009
    Location
    Southern California
    Posts
    23

    Heater Won't Turn On

    So I've got a pentair minimax nt, and turned it on last night to heat the pool for the weekend. Woke up this morning and I'm staring at an error message: E04, which according to the manual means there is a fan failure, but when I power it down and power it back up, the fan is coming on, I can smell the gas, it's just not igniting. Feels like an ignition problem, but then again, I don't know anything about pools or heaters, so that's just an uninformed guess at best.

    I opened it up and did a hard reset, but to no avail. Did not work.

    Any suggestions?

    Thanks,

    Lloyd
    Salt Water pool shaped like a dog's ear
    WhisperFlo 2Hp, Pentair 4000 series
    Aqua Rite Electronic Chlorine Generator
    Turbo Cell T-Cell 15, Pentax Mini-Max NT

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    Pool Clown's Avatar
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    Sep 2008
    Location
    Silicon Valley, CA
    Posts
    1,384

    Re: Heater Won't Turn On

    I would guess that the igniter (hot surface igniter) is not heating up. Ignition box is not giving it power, or the HSI has a crack in it. I have replaced more HSI's than ign boxes.
    Factory Warranty Station for:
    Jandy, Pentair, Sta-Rite, Raypak, Polaris,
    and Paramount pool cleaning systems.

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    Join Date
    Jul 2009
    Location
    Southern California
    Posts
    23

    Re: Heater Won't Turn On

    Thanks for the advice, seems like something I'm gonna have to call a professional about. I took the doors off again and powered it down and back up and I can hear a click, then nothing, then I think something clicks on to vent all the gas out of it because I get a strong whiff of gas, but no ignition.
    I appreciate the help.
    Just hope I don't get slammed too bad by the pool repair company.

    Lloyd
    Salt Water pool shaped like a dog's ear
    WhisperFlo 2Hp, Pentair 4000 series
    Aqua Rite Electronic Chlorine Generator
    Turbo Cell T-Cell 15, Pentax Mini-Max NT

  4. Back To Top    #4

    Re: Heater Won't Turn On

    If you have some skills you can see about a igniter replacement is it a electronic or push button like a grill. If this the clicking kind like a grill you remove the wire on the back and replace it .This may help. If not then try a furnace /ac place they may do pool heaters cheaper then a pool company.

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