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Baxi 105e 60 error

Discussion in 'Plumbing and Central Heating' started by freddy871, 9 Sep 2011.

  1. DP

    DP

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    Are you implying that if it is not the pcb, then it will be the microswitch?
     
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  3. Ajinder

    Ajinder

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    No not at all.What makes you think that.Please take the time to read my posts before you reply.It could of been pump,diverter pin,diaphragm,water pressure etc.One thing I can assure you is that I do not change PCBs lightly and view it as the last thing I would want to do.What I am clearly stating is that in this particularly instance (as others have also done) had changed the PCB as directed by manual.
    Can you make an alternate suggestion as to what to do when you follow the manufacturers manual and it flowcharts to change PCB.
     
  4. DP

    DP

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    Diverter pin has nothing to do with it
    Diverter spindle pushes out when hot water is demanded, nothing to do with the pump

    Looks like I have rattled your cage and now your feathers are ruffled. Settle down, re pcb returning I am not saying you are wrong, all I am saying is there are people who fix faults by changing parts and I was a victim of such a part changer

    Nothing suggests change pcb if fault finding grid is followed

    I would have followed B or C as directed in the manual if I did not know this boiler, where does it say change PCB? PCB change could be warranted if pump not running but in all my years have yet to change pcb for pump not running. While I am not suggesting that cannot happen, what I am saying is I have yet to encounter this scenario where pump does not run due to pcb defect

    For light 60 there are two possibilities- fault grid B or C
    B1- is the pump running, if not, it is jammed or goosed (not a pcb defect as yet)
    B2- I would have looked for 240 volts on pump terminals or at A4 3 and 6 on the pcb to established pcb wanted pump to run- no 240, then change pcb (in fact instead of getting my multimeter out, I would have looked at the microswitch to see if microsticth lever operated in response to pump run)

    For fault finding grid C there is no mention of pcb change

    Footnote.
    I have taken trouble to look at the manual despite the fact that I am familiar with this boiler. I will await your reply in case I am missing something. My suggestion to anyone undertaking faultfinding is to get familiar with appliance operation. Fault finding flow chart is a guide only

    Friendly tip- leave a space after full stop- easier to read
     
    Last edited: 18 May 2020
  5. durhamplumber

    durhamplumber

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    Plumb center seal the pcb..broken seal =no return..
     
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  6. DP

    DP

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    Agree 100% Durhamplumber
     
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  8. durhamplumber

    durhamplumber

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    Even after following flow charts and speaking to Baxi Tech,I have changed pcb and not cured the fault...V v annoying but happens..Pins stick up,stick down,etc etc...sometimes mistakes are made no matter how familiar one is with appliance,or clever,you are.Best you can do is keep learning.
     
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  9. DP

    DP

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    The guys, most I would say, at the help desk are looking at the notes you might have in front of you with additions though. thus they can get you through minefield of breakdowns It is not the first time, guidance given by helpdesk has been a lemon.. Most often trumps but at times dud too. You do have lads who have been on the tools fixing boilers- these are the aces that get you through

    Baxi 105e defect above- no need to call Baxi technical for that
     
  10. DP

    DP

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    Decided to read your post word for word and have responded below

    Does not have to be the PCB to give defect like this. Hint- An aps will throw a fault code if there is water in the APS tubes:sneaky:

    PCB has done its work. As of this point PCB cannot be defective for this fault since pump is spinning. BTW you mean the flow spindle NOT the diverter pin

    Really?

    Will leave this aside for the time being

    Disagree.

    Diverter only has one microswitch. Other microswitch has nothing to do with diverter

    You want to bet?

    My glass would be half full for that clear. Look at reply no 17

    Take it from me, be it with a pinch of salt, fault in question is with with microswitch, but rarely:). Usually you can see the defect(y)

    I trust when we discuss again, it will be with civility. Working in isolation can make a person think they are invincible. A better approach is feet on ground and judge ones successes by taking stock of ones failures
     
    Last edited: 18 May 2020
  11. AGAS

    AGAS

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    guess someone forgot to test the switch properly in the first pace :)
     
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