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    Vaillant Ecofit Pure Target temperature too low

    I think it must be. I didn't understand what you meant by "front panel". That's what I've been using to access the codes too. Anyway, all's well the ends well :)
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    Cannot remove ceiling light fitting

    After reading that the hole might not be big enough, I used a junior hacksaw blade to enlarge it one side, then pried it out with a screwdriver. Then I found that this light does not have a replaceable bulb. £13 replacement.
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    Cannot remove ceiling light fitting

    I can't pull it any lower. The ceiling here is thin plywood. It seems as if the plastic outer parts visible at the extreme two edges of the photo are stopping it.
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    Vaillant Ecofit Pure Target temperature too low

    OK problem solved. I forgot to look at the consumer radiator temperature setting! That sort of advice would have been helpful. I won't be using this forum for plumbing advice anymore though.
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    Cannot remove ceiling light fitting

    I installed these ceiling lights a few years ago but cannot remember how to remove them. They are sprung but the springs are not visible (see photos). Any ideas? TIA
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    Vaillant Ecofit Pure Target temperature too low

    I understand but I'm a DIYer of 40 years and am not modifying the gas side. I'll perservere on my own.
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    Vaillant Ecofit Pure Target temperature too low

    (y)
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    Vaillant Ecofit Pure Target temperature too low

    No ebus or exterior sensor. No F codes. A real mystery
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    Vaillant Ecofit Pure Target temperature too low

    D.71 at 65C
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    Vaillant Ecofit Pure Target temperature too low

    System boiler, 830, combi, 3.5 years old.
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    Vaillant Ecofit Pure Target temperature too low

    I recently solved a problem with the DHW on this boiler, with the help of some members here. In doing so, I replaced the diverter valve, pressure sensor and eventually the main board. It turned out that the replacement pressure sensor was also faulty. Problem solved. Great hot water. As soon...
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    Ecofit pure 830 hot water problem

    Well it was a faulty replacement flow sensor after all. The packaging was slightly damaged, so perhaps it was damaged in transit. However, I replaced the diverter valve and PCB earlier in an attempt to fix the problem. Now I have great HW but the boiler will not fire up high for heating. I'll...
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    Ecofit pure 830 hot water problem

    Yes, I agree it is strange. I assumed that the rates of flow and difference in heating flow/return temperatures allowed the software to calculate the HW temperature.
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    Ecofit pure 830 hot water problem

    I wondered about this too. I don't know where it is. I can only see the flow/return sensors on the parts list. On the previous boiler, a Halstead Finest Gold, the DHW thermistor needed replacing every couple of years.
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    Ecofit pure 830 hot water problem

    D35 set to 0. I'll try another flow sensor, as they are not expensive. Thanks.
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    Ecofit pure 830 hot water problem

    Yes thanks Johntheo5. I don't see any second stage parameter access in the manual. D35 gives the current position of the diverter valve.
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    Ecofit pure 830 hot water problem

    5 months outside 2 year warranty unfortunately. Yes replaced these parts. There is no d70 code but the diverter valve operates correctly, as seen in other D codes. I'm wondering of the new flow sensor is faulty. Happened to me once when I bought a replacement condenser for a car.
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    Ecofit pure 830 hot water problem

    OK, just returned from a month's holiday. Replaced PCB, flow sensor and diverter valve. CH working fine. HW codes oscillate between S11, S13 and S15, with very occasional S14 firing. Mains water pressure 15l/min. Mystified.
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    Ecofit pure 830 hot water problem

    Thanks for the replies guys.
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    Ecofit pure 830 hot water problem

    2 year old Ecofit Pure 830 has intermittent how water, recently none. Heating OK. Replaced diverter valve and pressure sensor. Next step PCB replacement?
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