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Hi Dave,
Just an update.
I bottled out on testing of the board voltages as I felt it was out of my skill set.
We ordered a new Main PCB ( https://www.espares.co.uk/product/es1777863/washer-dryer-main-pcb ) from espares which arrived on Saturday (great service).
Fitted new PCB and (drum roll) NOTHING! Machine was still as dead as a dodo!
We were resigned to getting a new machine but I decided to take the top of the machine off (not sure why TBH!) and have a look at the front panel control board. I took the top loom connector off the PCB and then decided that a new machine was indeed the order of the day. I reattached the connector, plugged the machine back in and it powered up!!!
I swapped the ‘new’ PCB for the ‘old’ one and all worked fine!!!
I am frustrated as I cannot explain how I ‘mended it’!
Anyway ‘new’ PCB on way back for a refund and all sorted.
Many thanks for your kind help and patience Dave – I am very grateful
BTW – the new PCB has no D7 diode any more, they have obviously changed some of the design on this board? Please find attached a pic of the new PCB: –
https://www.dropbox.com/s/hmwio6jo2e1pghh/New-PCB-Layout.jpg
Morning Dave,
As always, many thanks for the update.
Will give that a go and see how I get on!
Will report back asap
Hi Dave,
Once again many thanks for your kind help and patience.
TBH I may be at the top end of my skill level right now!
Could you point me in the right direction of where I could find the 12v on the PCB?
That was my worry about changing that PCB as it could be somewhere else as you say.
I appreciate that it is very difficult to diagnose this issue at such a distance
I wish it had of been D7!!!
Hi again Dave,
Many thanks for the really fast responses.
Resistor R98 this is giving me a reading of 98.6!
Thanks again Dave
A question please: –
Is the PCB the only component that would cause this issue? Could there be a Capacitor or Suppressor that could have blown?
The reason I ask is because I have found a brand new PCB on espares: –
https://www.espares.co.uk/product/es1777863/washer-dryer-main-pcb
This is £73.98 inc. next day delivery.
Would this definitely solve the problem?
Many thanks in advance for any kind help with this issue
Hi Dave,
Many thanks for the update.
I desoldered one leg and then tested and it was all OK. So back to square one!
Checked the other diodes and all seems fine. Underneath of the PCB seems fine with no obvious burns / damage etc.
I’m guessing it could be any component on the PCB?
Just for background, the machine had finished it cycle but we could not turn the machine off via the on/off button. Unplugged it and left it a few minuets, plugged back in but would not turn on.
Not sure of next step now? A reconditioned PCB?
Thanks again Dave.
My First post!
Many thanks to all in this thread especially Dave for some great advice.
I have a Beko Washer/Dryer WDR7543121S and there is no power to it at all. Checked fuse and supply etc.
I changed D7 diode (using a STMicro Electronics Schottky Rectifier, 100V, 2A, DO-204AL STPS2H100) and still no joy.
I have just been check D6 diode and I get a reading both ways! What is strange is that the multimeter, when connecting to the diode the wrong way round, as it were, sort of outputs a countdown!!! So perhaps this is the cause???
Would anyone know the spec of D6 so that I can order a replacement please?
Many thanks in advance.
