[Rothatron]

Thanks to this thread I’ve just successfully carried out a repair on my Beko WDR7543121W Washer Dryer.

Same story as others on here, washer just completely dead one day and wouldn’t turn on. I carried out the usual checks to rule out issues with the power getting to the machine (fuse, plug, etc) but no luck. We got ours just over 3 years ago and it feels far too new to be giving up on us already – fortunately a quick google search brought up this thread.

I’m reasonably handy and not really intimidated by this kind of job but I’d encourage anyone who backs them-self to take this on as it was much simpler than I thought it would be. Well worth the investment of a couple of hours of time plus less than £15 for parts. (If you don’t have the tools, a soldering iron, solder and multimeter is about £25 from Screwfix)

A quick guide for reference to others finding this thread so everything is in the same place:
I unplugged the machine then removed the back panel and found the main power board in a black plastic casing tucked in the bottom right corner as you look in through the back access panel.

It’s held in by just two screws but a bit fiddly to take out (undoing the white cable management clips in the machine casing helps with slack on the wiring loom). Once it’s out it’s just a simple task of undoing the casing and removing all the wire blocks on the board – ensuring to get lots of photos to refer back to when putting it back together. Obviously be careful handling the board – especially the capacitors as there are a few of those around the D7 diode.

There’s plenty of videos on YouTube to show how to test diodes so following one of those confirmed it was the same issue with the D7 diode as others have experienced.

I ordered replacements from Farnell https://uk.farnell.com/stmicroelectronics/stps2h100/schottky-rectifier-100v-2a-do/dp/2849663?st=STMICROELECTRONICS{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d}20{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d}20STPS2H100 – they sell them in packs of 5 so have a few spares but the £9.95 handling fee was slightly annoying! A small price to pay though compared to the cost of getting an engineer out.

Delivery was fast and it’s a fairly simple job to unsolder the old diode and replace with a new one (double then triple check the polarity!). I performed the diode test to validate the replacement was still ok after being fitted and did some continuity checks on the pins to nearby components to confirm everything was properly soldered.

I reassembled everything referring back to the ‘before’ photos and fitted it back into the machine, plugged it in and we’re back in business.

Many thanks to everyone in this thread for their knowledge and help – you’ve saved me a chunk of money and hassle dealing with Beko Support.

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