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    Hayward H250 Millivolt Heater - Burner Won't Fire

    I disconnected/reconnected the pilot tube and relit the pilot this morning and now it is generating 650 mV and the heater fires.
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    Hayward H250 Millivolt Heater - Burner Won't Fire

    Hi, I have a Hayward H250 Millivolt heater that is around 9 years old. I can get the pilot to light and stay lit with a nice blue flame and it is generating around 600 mV. When I turn the heater on and turn the thermostat up, the heater won't fire. If I jump across the TH terminals the...
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    Hayward Aqua Trol LCD Not Showing All Digits

    Do you have a suggestion for how to verify that? Checking the voltages coming into the LCD?
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    Hayward Aqua Trol LCD Not Showing All Digits

    Are there any components on the DSP that could be bad causing the issues? I am not adverse to swapping out some resistors if needed.
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    Hayward Aqua Trol LCD Not Showing All Digits

    I got it used with the pool - I think it is 7 years old.
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    Hayward Aqua Trol LCD Not Showing All Digits

    This is exactly what I am wondering. Are there any more diagnostics that I can run? In the diagnostics manual where it says to check the voltages on pin 2 and pin 4, do they mean check the voltages between pin 2 and pin 4, or the voltages from a reference to 2 and from a reference to 4? When...
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    Hayward Aqua Trol LCD Not Showing All Digits

    I also followed the steps in this post, with no change. https://www.troublefreepool.com/threads/aqua-rite-display-issue.145855/ One more detail - I had to replace the current limiter on the main board. After replacing the current limiter, more cells were being displayed on the LCD than before...
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    Hayward Aqua Trol LCD Not Showing All Digits

    Hi - my Aqua Trol LCD is not showing all of the digits that it is supposed to. I have worked my way through the trouble shooting manual to test voltages and resistivities and everything seems OK. The one part that I am not sure about is the last voltage test - am I testing the DC voltage...
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    Aqua Rite salt generator - no power light

    Thanks for the info in this thread - I found that my current limiter is also cracked and have ordered a new one to replace it. My LCD display is also malfunctioning - it does not display all of the digits for the various diagnostic information. Could this be linked to the current limiter?