Baxi 105e 60 error

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

Everything indicated the PCB and it was changed but that didn’t work

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
 
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Thread is 4 years old.
I as a heating engineer have NEVER fitted a PCB to return it to the supplier if PCB did not cure the fault (If i use it, it becomes stock item). Reason for that is yonks ago a family member passed away and I was in London for his funeral. Picked up replacement PCB locally to return to Glasgow. Removed the PCB that I had repaired to give customer service. "New" PCB did not work as some scroat had killed the PCB and put it back on the shelf then I gets it. Now if I see an open box that has been tinkered with, I will look at the pCB. If I see the board has been 'used' will reject it or warn the supplier the PCB will be coming back if stuffed.

Can be the microswitch, not always though
Electrical contacts are self cleaning, they do go high resistance but more often the snap action that effects changeover gets screwed.
Plumb center seal the pcb..broken seal =no return..
 
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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.
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.
 
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.

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

Okay had a similar problem on a job.Customer had a similar problem and kept resetting the boiler until it failed at error 60 and resetting failed to clear error.

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:

Pump working and hot water diverter pin was striking the micro switch and showing continuity

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

Everything indicated the PCB

Really?

What I do know about micro switches is they have internal contacts which degrade and are not visible

Will leave this aside for the time being

Your PCB is very sensitive to slight fluctuations in voltage and resistance and trip very easily to error code

Disagree.

The diverter has two identical micro switches

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

not normally done for others
You want to bet?

new micro switch was £17.
My glass would be half full for that clear. Look at reply no 17

On this repair switching the micro switches took 5 minutes on site and confirmed the fault and will assist somebody in future

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
 
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