Question about Jenn-Air 24 in. JDB1090AWS Stainless Steel Built-in Dishwasher

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Dishwahser won't start, start button won't light

All of a sudden the start button won't light up or actually start the dishwasher. We've turned off the power and nothing seems to get the washer to start. Help!

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  • supra661 Nov 20, 2008

    I have the same problem with my Jenn-Air dishwasher as well.... I have already taken the door apart once and "operated" on it.... I will next try the suggestion I just saw on this page (cleaning the ribbon cable contacts), as I observed last time I was in there that it appeared as though that was a poor design and subject to corrosion.

    As an electrical engineer, I have a little bit of insight into the proper design of electronics (I work in the aerospace/military space industry -i.e. high reliability products is what I do best)

    So far, here is what I've observed about the design of this product:
    1) The steam ventillation when drying is accomplished at the back of the unit. Because the unit is installed in a relatively tight space under my cabinets, it essentially creates a sauna for itself when drying the dishes. It is so bad, in fact, that the seam between the quartz counter and backboard above the dishwasher has actually come unglued and will "ooze" water if the dishwasher is used too much... -Solution = I am going to add: add better ventilation beneath the cabinets to provide an exit for the steam. -I may put a small computer case fan under there with a small thermostat to kick it on as soon as the dishwasher gets warm from the heated dry cycle operating.

    2) The bottom of the inside panel of the front door of this model actually rests slightly IN the wash tub area of the unit, meaning a small amount of water is actually pooled into that space as the unit runs. -It has drains to exit out when done... BUT the water is HOT, which creates STEAM!... And guess what else resides inside the door, up higher where something like STEAM would rise up and condense on.... YES! you are right, it is the control circuitry for the dishwasher -along with that ribbon cable interface to the touch panel at the top of the door. ---The GOOD news is, the computer board is actually coated very nicely with what appears to be a standard RTV silicone (waterproof sealant) compound. -Thus, I honestly believe that in general it is at least "okay" to house the electronics as designed in this very moist/humid environment inside the door.... HOWEVER, the same can NOT be said for the connectors, relays, and cables that interface *with* the electronics... None of them are protected from corrosion in any way, and most are made of simple lead-free solder (easy to corrode), copper (also easy to corrode, brass (again easy to corrode), and nickel (can also corrode but not so bad).... As to the LARGER connectors, the ones that switch the heater on/off, run the electric pump motor and solenoids, etc, they all appeared to be perfectly fine in my now 3 year old dishwasher.... The RIBBON CABLE is another story. Normally for an interface like that, with such delicate connections and the extreme humid/wet environment, a competent design would use gold plated connections for the ribbon cable and the "pins" in its mating connector on the controller card (costlier, yes, but they DO NOT CORRODE!)

    ........Soooooo the point of all the above is, I am betting that the connector there is the problem. I am going to take the door apart again, and clean the ribbon cable gently with de-ionized water and alcohol. If necessary, i will scrub at the individual connection points (pads) on the cable with either a pencil eraser or possibly even a **light** scrub with some very fine sandpaper (followed with another rinse as before)... HOPEFULLY the mating connector contacts aren't too bad, because I don't think they can be cleaned very easily without risking damage to the "pins" in there. When I get this all done, I'll get back here and report if it works or not... My guess is that it will.



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I took the door apart, removed the control board, which I had expected to replace. I disconnected the ribbon cable that connects the control panel to control board cleaned the connections and reassembled everything. The dishwasher has been working since.

Posted on Jul 03, 2008


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