Question about Dishwashers
Westinghouse SB907 had same problem, which I had thought might be the heating element. Fixed relay soldering on PCB where it was burnt/melted, now works! This probably applies to the Westinghouse SB925 also.
Posted on Aug 25, 2008
Great forum guys, I read through previously added information, this helped me diagnose and fix my Westinghouse SB915 Dishwasher issue.
My dishwasher's circuit board, as per the photo by John McKirdy (thanks John), had 'dry joints', presumably from the heat build-up from the constant washing & drying at very high temperatures. I accessed the circuit board (a bit tricky but ok, be careful - unplug lead, if necessary), then with soldering iron, added more solder to the 'dry' (or not shiney) 'joints', being careful not to touch circuit board components (as some can be static sensative) and being careful not to apply excessive heat to circuit board or circuit board pads (point of component connection).
Since I re-soldered, my dishwasher has worked faultlessly for 6 weeks now.
Thanks again guys, this would have saved me about $250, I'm guessing. Thanks.
Posted on Mar 21, 2012
Thanks for the solution.
I had the exact same problem, and almost the same solution.
After I opened up the PCB, the joint that looks burnt in the photo, seemed a bit dry. So I resoldered that and a couple of others. But it still didn't heat up. Then I desoldered the relay, thinking that I may need to replace it. But wen I tested it, it was ok. I then found that a diode (almost right next to the relay) was short circuit, so I replaced it with another one (just pulled one from an old electronic junk pcb in the garage).
After all this, ..................., IT IS working!!
So it seems that they have stuffed up the design of the PCB around the relay. May be engineer has been fired by now, or given a raise for generating so much after-sales revenue!
Posted on Dec 15, 2009
I had a slightly different issue whereby the heater was apparently intermittent and sometimes would not dry completely (though it did seem to get somewhat warm most washes, and wash ok to some extent). Checking the PCB I found Dry Joints (but no burning) on the relay and re-soldered them. This has solved the issue. Thanks for the help!
Posted on Nov 06, 2008
Guest, Used this website as my SB915 was having the same problem, Ive had people out, No sucess, this was my problem as well, the exact same solder joint. Thanks Fixya, thanks John Mcirdy, the photo was extemely helpful
Posted on Oct 11, 2008
Thanks for all the comments here. Had the same issue and was thinking of replacing the dishwasher but thanks to the suggestion here, saved a few coins (and the planet too).
I also noticed cockroach bits when I opened the unit up, and before I closed the unit up, I used some good multi insecticide spray there. Hopefully that would minimise further infestation.
Keep up the good job guys!
Posted on Dec 06, 2014
Westinghouse SB915Thanks John McKirdy. Had the same problem as per circuit board picture except mine was not burnt, once I re soldered the joints for the relay and it all worked again. The problem with my dishwasher was intermittent, sometimes would heat up, most times would not. Was really not looking forward to calling someone out to fix an intermittent fault.
Posted on Jun 12, 2012
Rechecked it put it all back together and its all working on heat again ! yeah yeah !!!!!
Posted on Jul 28, 2008
Hi there Westinghouse SB915 have the same problem, yeah checked element
was 25 ohms which is ok , then traced wiring, neutral side orange wire
goes back up to the timer control to a relay on the circuit board
solder joint was burnt on the circuit board resoldered but still didnt
work asuming relay is faultly will replace relay when I track one down
the service people wanted $250 dollars for a new circuit board .
Posted on Jul 28, 2008
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Posted on Jan 02, 2017
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