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    Vaillant ecotec plus 438 no heating or hot water

    At the moment it's working fine. So I can't test. When it hasn't worked, I have heard the valve click to heating and also hot water, whichever is selected. It's a new valve head and the the spindle moves freely on the body hence I didn't do a full swap. When it's running (heating or hot...
  2. N

    Vaillant ecotec plus 438 no heating or hot water

    Yes it does, already checked.
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    Vaillant ecotec plus 438 no heating or hot water

    I don't understand? Could the issue be due to the cylinder stat? But then the test the other day worked fine. Rads were changed a few months ago and some pipes were adjusted, wondering if any wires close to the pipes might be affected due to the heat of the pipes.
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    Vaillant ecotec plus 438 no heating or hot water

    To make it more confusing 2 on the backplate doesn't have a wire
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    Vaillant ecotec plus 438 no heating or hot water

    Opinions from others I received, from you it was obnoxious behavior. Previously you knew I tested the wires yet you told me to do it again, I let you off last time but you pushed your luck this time. Get yourself on a dating site buddy.
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    Vaillant ecotec plus 438 no heating or hot water

    From Terminal 3 on the pcb to the L on the programmer backplate.
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    Vaillant ecotec plus 438 no heating or hot water

    Frustrated?? Like I said you don't need to come on my thread. Get a life and jog on grandpa. Perhaps go on a dating site. If you think I haven't taken advice, then you need to visit spec savers. It's people like you with your obnoxious, ignorant attitude that let this forum down. You admit...
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    Vaillant ecotec plus 438 no heating or hot water

    I don't find your attitude very helpful, it's a public forum. I didn't ask you to comment but you seem to be condescending quite often in your posts on this forum. You're asking me to rewire the whole thing?? If the wiring has been fine for 25 years why do I need to rewire it?? Everything is...
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    Vaillant ecotec plus 438 no heating or hot water

    Live at the programmer. Problem has started again. And the other end of the brown at terminal 3 at the programmer side looked like this... Subsequently I've stripped some fresh copper and the problem is still there. I've checked at terminal 3 and that side was clean copper
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    Drayton Programmers the most useless and difficult ones?

    And the current independent room stat?
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    Drayton Programmers the most useless and difficult ones?

    But wiring would need to be altered if the current stat and programmer are separate and the "smart" one is integrated. Whilst technology does have its benefits, don't trust the "control heating by an app" would definitely be open to hacking one way or another. Wouldn't be surprised pretty...
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    Drayton Programmers the most useless and difficult ones?

    Once they start playing up they're a big issue to sort no?
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    Drayton Programmers the most useless and difficult ones?

    Got a Drayton LP522 and honestly it's the most difficult and annoying user menu. These models have been in use for 20 years at least. They could have improved it in that time. Had a siemens for 15 years and it was very easy to change times / change 5/2 to 7 day same etc without the need of...
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    Vaillant ecotec plus 438 no heating or hot water

    I meant from before. As the problem is intermittent and with that being the only code...
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    Vaillant ecotec plus 438 no heating or hot water

    Nope. But as there was the original s30 code when pressing i
  16. N

    Vaillant ecotec plus 438 no heating or hot water

    I have checked again and valve does move over and the central heating remains on.
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    Vaillant ecotec plus 438 no heating or hot water

    when both heating and hot water are on and room stat is demanding heating and water cylinder stat is down the boiler switches off. But It doesn't switch off when room stat is down and cylinder stat is demanding heat.
  18. N

    Vaillant ecotec plus 438 no heating or hot water

    But the light won't indicate where or what the fault is?
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