1. Visiting from the US? Why not try DIYnot.US instead? Click here to continue to DIYnot.US.
    Dismiss Notice

Vaillant Ecotech Plus 24 kw

Discussion in 'Plumbing and Central Heating' started by bob1956, 11 Sep 2021.

  1. bob1956

    bob1956

    Joined:
    15 Aug 2018
    Messages:
    15
    Thanks Received:
    1
    Country:
    United Kingdom
    The hot water on the above boiler is running cold showing S53,only one fault code showing F22,I suspect that's historic.
    I have just changed the programmer because the original fault was no heating,which fixed that problem.
    However the customer asked me to check the HW supply it was then I uncounted the F53 ,the hot water initially gets hot then runs cold.
    I checked the Diagnostics D40 63 deg; D41 49 deg; although I would expect the differential to be 20 deg;
    I have no history on this boiler except I installed it 12 years ago,the owner has just moved in 2 days ago.
    Any vaillant guys out there that can throw some light on this problem
     
  2. Sponsored Links
  3. CBW

    CBW

    Joined:
    26 Sep 2019
    Messages:
    8,470
    Thanks Received:
    2,222
    Location:
    North
    Country:
    United Kingdom
    S53 is a status code, which is generally poor circulation, so circulation pump or a blockage somewhere. There are some Vaillant guys on here @ScottishGasMan for one who can possibly shed a little more light on it than I can.
     
    • Thanks Thanks x 1
  4. lightning

    lightning

    Joined:
    14 Jul 2007
    Messages:
    2,117
    Thanks Received:
    458
    Location:
    Cambridgeshire
    Country:
    United Kingdom
    Rubber hoses blocked or full of carp
     
    • Like Like x 1
Loading...

Share This Page