briandlp Posted April 21, 2020 Report Share Posted April 21, 2020 Hello, I am looking for some advice. I have a MasterSPA Twilight Series 8.3 Hotub that is 8 years old. This year when I filled it I got an OHH error and the water got very hot (42?) after this I opened all the jets and it seemed fine. Now I have noticed that I get the error when I keep the tub on economy mode (basically so it comes on for 2 x 2 hr stints getting the water to 37 degrees) so this morning I woke up to the OHH error and yet it seems to have heated the tub to 37 as it should. Any advice here? it doesnt seem to happen when it on standard mode (coming on little and often rather than the 2hrs of heating or jets at a time) Is this the sort of error that an engineer will be able to isolate and replace accurately? I suspect it will be expensive so I dont want to spend hundreds of pounds and keep seeing this message. thanks Brian Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 21, 2020 Report Share Posted April 21, 2020 Remove filters and try it. If it works clean filters or buy new. Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 22, 2020 Author Report Share Posted April 22, 2020 So I have tried a few things here. FIrstly I removed the larger of the two filters and restarted the tub on the ECN mode. After 10 mins it went into OHH mode. I replaced the filters with clean ones and kept the tub on STD mode all day - seemed fine. At 8PM i flipped it back to ECN (economy) it cleaned and heated for 2 hours no problem. Then at 8 am the next morning I heard it come on for 5 minutes then it stopped - back with the OHH error. Is this likely to be a new circulation pump? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 22, 2020 Report Share Posted April 22, 2020 It could be. It could also be flow restriction. You said clean filters, not new. I suggest you try removing the filters and see what happens first. Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 22, 2020 Author Report Share Posted April 22, 2020 My filters must be 7 years old - I have 2 sets I rotate. Is it time for new one? a set is about £150 so not terribly cheap.... Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 22, 2020 Report Share Posted April 22, 2020 If it works fine with no filters, you need new filters. 7 years is some kind of record for filter life. Typically you get 2-3 years. I have some customers that replace them yearly as preventative maintenance. Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 23, 2020 Author Report Share Posted April 23, 2020 I'm just testing now with no filters at all. Question - is my hot tub unusual that a set of filters are so expensive? or are they all like that? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 23, 2020 Report Share Posted April 23, 2020 I am not sure how much that is. I also am not sure which master spa you have, some use different (or more) filters than others. Are you shopping online or from your local pool store? Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 24, 2020 Author Report Share Posted April 24, 2020 So I decided to try the no filters approach yesterday and overnight. I woke up this morning to a "dr" error code, which by all accounts means - "Persistent low flow problems. (Displays on the fifth occurrence of the HFL message within 24 hours.) Heater is shut down, but other spa functions continue to run." I wonder if this means that my circulation pump is not working correctly.... I have the hot tub repairer coming out on Tuesday. I am bracing myself for the cost! 😞 although from reading up about not changing filters I wonder if 7 years with the same filters might destroy a circulation pump - so its my fault really. thanks Brian Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 24, 2020 Author Report Share Posted April 24, 2020 To add. a little colour to this. I pinged MasterSPA USA a mail with the symptoms I am seeing. Their response was as follows - -------------------------- Hello, Leaving the spa in the ECN mode can result in flow related error messages due to the spa not running and checking for temp. We do recommend leaving the spa in the STD mode. Thank You Ryan Hill Customer Service ----------------------- Strange as I have always used the SPA in ECN mode... Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 24, 2020 Report Share Posted April 24, 2020 That is strange. I used to sub-contract for a masters spa dealer and I have never heard that. Did you try it? Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 25, 2020 Author Report Share Posted April 25, 2020 Yes - The SPA is working perfectly in STD mode. If I could pre programme when the filtration cycles run I would be happy. But in STD mode they run whenever they want, the SPA is right by our house so this is an irritation in the middle of the night or early in the mornings. I might just have to live with it. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 25, 2020 Report Share Posted April 25, 2020 Strange. Could you post a pic of your control, I am curious which brand it is? In case we run into this again. Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 27, 2020 Author Report Share Posted April 27, 2020 Sure its a MasterSPA Twilight TS 8.3, picture attached. For what it's worth I think MasterSPA guy is talking rubbish as I have run it in ECN mode for 5 years......I have bought new filters now though! Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 27, 2020 Report Share Posted April 27, 2020 5 years with no issues, but it's normal for this to happen? Doubt it. Do you have a good multimeter? Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 27, 2020 Author Report Share Posted April 27, 2020 I don't want to mess about with it to be honest. I cancelled the Hot Tub repair guy today as I have run it for a week on STD with no issues. It only goes wrong on ECN mode so I just wont use ECN. This might be the beginning of some sort of failure that will spread to other modes, I'll call the repair guys out when its happening all the time. thanks Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 27, 2020 Report Share Posted April 27, 2020 Mess about with it? Where are you from, out of curiosity? Sometimes I hear an accent. Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 27, 2020 Author Report Share Posted April 27, 2020 I'm in the UK.... Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 27, 2020 Report Share Posted April 27, 2020 That's what I thought! That's funny... I am in the US, Missouri to be exact. Tornado alley. Could you hear my accent, too? That's one of the things I love about this forum, it's international! Quote Link to comment Share on other sites More sharing options...
briandlp Posted April 27, 2020 Author Report Share Posted April 27, 2020 its a small world! Quote Link to comment Share on other sites More sharing options...
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