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baxi duo-tec 2 intermittent

Discussion in 'Plumbing and Central Heating' started by micsey, 15 Jun 2020.

  1. micsey

    micsey

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    my baxi duo-tec 2 combi 33ga fault code 385 is driving me mad no one and i mean no one knows whats wrong,i get hot water fine then the next day won't fire up just flashing 385 then everything is fine again 24/7 home rescue are thick been out 7 times say everything is fine dose anyone on hear no anything about this boiler and the fault code,thanks
     
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  3. Gasguru

    Gasguru

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    385 according to the book is low mains voltage...what have they done so far to solve it?
     
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  4. micsey

    micsey

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    nothing because its intermittent i think its the board dry joints
     
  5. Gasguru

    Gasguru

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    I doubt it..modern pcbs are far more robust from poor soldering, compliance standards etc.
     
  6. micsey

    micsey

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    had 24/7 clowns out over ten times only thing the have not changed is the board?
     
  7. Gasguru

    Gasguru

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    Why won't they swap the board?
    Have they run the boiler via an extension lead from a different ring circuit to rule out a poor connection, if the fault code is accurate (and many aren't) it thinks the power supply is dipping.
     
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  9. micsey

    micsey

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    are you messing service is utter crap from them,think i will get the baxi one off repair cos no one has a clue
     
  10. Gasguru

    Gasguru

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    Why don't you run the boiler from an extension off the other ring circuit.
     
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  11. denso13

    denso13

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    Perhaps it is, it could be nothing to do with the boiler.
     
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  12. CBW

    CBW

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    Go for it, if anyone should know, it should be Baxi. However I’d be checking what @Gasguru has suggested first.
     
  13. ianmcd

    ianmcd

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    usually the PCB with that fault code
     
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