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  1. V

    Hayward H400ED2 1F code

    Reporting back: you were right! I pulled out the ignitor, cleaned it using sand paper, removed every bit of rust on ignitor itself, all connecting screws and surfaces. I also removed a lot of garbage from the bottom of the heater. Don't know if the latter part has actually contributed to the...
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    Hayward H400ED2 1F code

    I'll take a few pics and post once the rain is off.
  3. V

    Hayward H400ED2 1F code

    It is an electronic ignition unit. I replaced the ignitor 2 years ago. I think it is working because the flames are up. The problem is that the heater shuts down after 15 seconds.
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    Hayward H400ED2 1F code

    Thank you for the quick response! No, I didn't check the pressure. Will get the manometer and check it out. However, the heater worked just fine the previous season and nothing changed in the gas line since then. So, I kind of doubt that this could be the reason. The flame, when it works, goes...
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    Hayward H400ED2 1F code

    Heater starts for 2-3 seconds, I can see the flames, then the heater shuts off. If I cycle thru the standby/spa/pool settings then I can get it working for 15-20 seconds max. Orifices are clean. I measured 22V on the valve. My heater doesn't have flame sensor (I wasn't able to find it). Any ideas?
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