Brand: Bosch
Model Number: SHU6805 UC/06
Main Symptom: stopped mid-cycle, burning electrical smell
What happens & when: screen stopped at 87, water was mostly drained
Error Code (if any): none
Parts or tests already tried: Check circuit board and wires, no visual issue. Pulled drain motor and circulation motor, both continuity tested fine, 16.2ohm and 9.9ohm, respectively. Capacitor on circulation motor - no continuity, no measurable resistance.
Capacitor (Part Number: OEM8407173; Manufacturer’s Part Number: 00167235) has been discontinued. Cannot find any for sale on any website. Found capacitor manufacturer with parts listed on their website and says 10pcs in stock but it’s not a retailer and I haven’t heard back about being able to buy one. The capacitor casing info says “MAB MKP 10uF ±5% 280V AC 10000h” and is 25mm dia x 78mm long with a M8 and hex nut mounting. I’ve found a potential replacement motor start/run capacitor rated 10uF ±5% 450V that is a newer cap film polypropylene, has the same operating temperature, is 30mm dia x 71mm long and a similar stud mounting. The terminals should fit as well.
Any recommendations on what else to consider? Where else to look?
I generally prefer original parts so I’m not normally headed down this route, but given the options it seems pretty dumb to give up on the whole dishwasher just because I can’t find the exact same capacitor as before.
You would want to try to locate one that would be the exact specification as the original. Try inputting the information on the original capacitor and see if you can locate one.
I’m going to reply to my own post because the response from Ed_C_APP_Team was, sorry, just not helpful. I had already attempted to find an exact match for the original and felt that was pretty well stated. My question was about getting a better resource to locate one or directions on an alternative.
So, a capacitor of the same capacitance (in this case 10 microfarads) and the same tolerance (here it’s ±5%) with a higher voltage rating can be substituted for a capacitor of a lower voltage rating (here it’s 450V for 280V)… but not the other way around (a lower voltage rating cannot be swapped for a higher voltage rating). On electronic circuit boards there may be some sensitivity issues, but on a motor capacitor this should be fine, so long as the new capacitor is rated for start/run application. Equivalent ratings, certifications, and component approvals also apply so there’s a lot more involved than just these numbers, but using a higher voltage rating isn’t a problem.
My particular issue is that I didn’t want to use an alternative if I didn’t have to. I really do prefer to use genuine original parts whenever possible. I find that things tend to work better that way and I order my appliance parts almost exclusively from AppliancePartsPros for that very reason.
However, in this case there was no way around it. I ordered and installed the B32332I6106J080 and everything is working quite fine. We’ll try to keep this dishwasher running another decade or two.