Beko DCU 7230W Burned PCB

[whatdaddid]

Hi,

I have a Beko DCU 7230W Condensor Dryer that stopped working. I was hoping it was just the condenser on the main power line but upon opening it up the PCB is burned. A couple of the finer traces leading to relay RL3 are burned up as are a surface mount diode near relay RL1 – both on the control not power side of the relay. Some surface mount caps near connector KN4 are burned and also here is also a hole in the ATMEGA!

I can get a new board. However, are there any multimeter checks I can do to determine if there is a component, like the motor/pump, that blew the PCB? I don’t want to spend £50 on a new PCB and find it blows again if some other part if actually at fault. Any continuity/short/resistance checks I can make before I buy a new PCB?

Thanks very much.

[Seamy]

Re: Beko DCU 7230W Burned PCB

Most Engineers won’t go to component level, i’m an Engineer who does about a dozen of these per week, never ever have I gone down to component level on a p.c.b, Beko Engineers don’t go down to component level.
Would recommend you order a p.c.b.

[Author]

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