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Thread: StaRite Heater SR400LP Code E01 Help

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    StaRite Heater SR400LP Code E01 Help

    Last time I had this type of issue the thermal regulator was replaced in 2010. Getting a code E01, r=05 and LED light 11 & service light goes on. Pulled the thermistor and tested with a meter and getting 8.5 on resistance/Ohm. Is there anything else I should test or is this a bad thermistor? Not a pro on multimeter testing so any instruction to narrow the source would be appreciated. Also, when I apply any type heat to thermistor while testing the reading goes down.

    Problem: The heater stays on for a bit and then turns off, keeps recycling from on and off.
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    Did you try removing the thermal regulator and see what it looks like? It could be all gunked up again.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: StaRite Heater SR400LP Code E01 Help

    Took the thermal regulator off and it was gunked and had some corrosion. Cleaned it off a bit and boil tested, it opened and closed during the test. I re-installed it and it is now working but to be on the safe side I ordered an new one. Seems these regulator only last about 4 years, this was the last time I had it replaced.
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    It really depends on your water chemical quality. Something is off enough times for this to happen.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: StaRite Heater SR400LP Code E01 Help

    Ok replaced thermal regulator, thermistor and high temp switch. But there seems something else is triggering E01 code, service heater and heater cycling on/off. On the board when it cycled off the LED11 light was lit red too. Any suggestions?
    Also on initial startup the display shows a 128 r---5.
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    When you replaced the thermal regulator, did you happen to check and feel if the bypass was still intact? It sits in the header directly above the thermal reg. It feels like a small round disk.

    Also the 128 R---5 on start up is just showing you that it's booting up and what rev code the board is. R 8 is a newer board rev code so you have a much older board.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: StaRite Heater SR400LP Code E01 Help

    Thanks ps0303, I'll check this tomorrow and post back. What am I feeling for and if I had to replace it I take it I have to take off the manifold to access and replace? Part # ?
    Is it necessary to get the rev8 board? I take it this is the bypass valve.

    Bypass Valve.jpg
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    No you don't need the newer board unless there is a problem with the old but I don't think so. Yes that this the bypass. You should be able to feel that round portion of it. To replace you have to remove all of the bolts holding the header in place and then you can access it. You would also need to replace the coil and tubesheet sealing O-ring and manifold o-ring, kit # 77707-0120.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: StaRite Heater SR400LP Code E01 Help

    Ok, I can feel the round plastic piece, no broken edges. Anything else I should be looking for/at?
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    Ok, I can feel the round plastic piece. Anything else I should be looking for/at?
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    No as long as you can feel it and it's in place and not falling down then it's good. Well not too much else to test if you don't have the parts on hand.

    One thing you could eliminate is see if there is water in the canister. Unscrew one of the bottom bolts on the header and if water comes out, your heat exchanger has a hole in it and then you should consider a new unit.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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    Re: StaRite Heater SR400LP Code E01 Help

    ps0303 thanks for your help. It was the thermal regulator gone bad and also not enough flow to the heater. Replaced the TR and increased the flow, all is good. Keep posting solutions for all of us, this is what this forum is about~Help. Thanks....
    18k free form IG w/spa (4 jets), Paramount in floor cleaning system, Starite system 3 filter, Jandy 2hp ePump, Sta-Rite SR400LP Maxi-therm propane heater, Jandy aquapure/apurem 1400 SWCG, Jandy automation PS4 w/PDA, IntelliBrite 120v 5-G LED pool & spa lights, 2" piping and (3)4x12 (5)4x10 Fafco Sunsaver Solar Panels.

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    Re: StaRite Heater SR400LP Code E01 Help

    I just experienced the same problem as the OP had. 4 year old heater cycling with the HLS led lit during the off cycle. Pulled the thermal regulator and found corroded and would not open when put in boiling water test. No one had the part locally, so ordered online, replaced and the heater is working perfectly!

    I am going to order a couple more as I believe my salt pool contributes to premature failure. I guess I should expect 3-4 years out of the regulator.

    A question to the experts then... Would it be a good idea to bypass my heater when I know I'm not going to be using the heater for a few weeks period of time? Could I prolong the life of all the parts coming into contact with the salt water by doing this? I'm only getting about 18 months life of the external safety pressure relief valve due to the corrosion.

    Thank you so much to the experts here for assisting me in solving my heater problem so quickly & efficiently. You guys ROCK !!!

    Brian

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    Re: StaRite Heater SR400LP Code E01 Help

    If we were going to not use it for say 6 months, bypass maybe. How well is your water balanced? Unbalanced water can kill this part easily.
    Paul
    http://www.gastekservices.com A word of caution: When working with gas and electrical you might want to consider a licensed contractor. Consider the value of your life and others around you. If you would like to provide a review of the help I provided, please use the following link to leave a review. gastek - Google Search,

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