Search results

  1. W

    Main Combi 24 HE no DHW, Boiler fires up then turns off

    PCB and HW sensor turned up today, fitted them and i now have hot water! thanks for your help everyone.
  2. W

    Main Combi 24 HE no DHW, Boiler fires up then turns off

    plate heat exchanger is in good condition, water flows through both sides fine. I have checked the incoming electrical connections and they are also fine. A new PCB and Temp sensor are in the post so should be with me hopefully by the end of the week!
  3. W

    Main Combi 24 HE no DHW, Boiler fires up then turns off

    i took out the plate heat exchanger, just drained the boiler and its only two screws! there is only one temp sensor for both CH and DHW.
  4. W

    Main Combi 24 HE no DHW, Boiler fires up then turns off

    The boiler is just under 2 years old. mechanically the boiler is pretty spot on, plate heat exchanger is fine. Think i will order new PCB on Tuesday, and just in case a CH thermistor. If anyone has any other ideas i will give them a go!
  5. W

    Main Combi 24 HE no DHW, Boiler fires up then turns off

    I have a Main Combi 24 HE. The central heating seems ok, but the hot water is playing up. When i run the hot tap the boiler fires up fine, all valves work as they should, but after about 4-5 seconds the boiler seems to reset, all the lights on the front go out (no fault lights flashing) then...
Back
Top