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ASKO 1474 - runs through full cycle, but at the end, all lights on panel flash constantly & the drain pump is still running (water is all gone). Won't stop when power button is pressed, but will stop eventually with all lights still flashing. Is there any sequence of pushing buttons to get a diagnostic fault code with blinking lights? Thanks!

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  • Dishwashers Master
  • 2,605 Answers

Hi, Welcome to Fixya. To answer the question re: error codes, the flashing lights is the error code with Asko dishwashers...at least your generation based on the info of it being a 1474. It is indicating a drain fault and therefore the overflow switch in the basin has been activated. It can also be activated by a plugged pressure switch or pressure switch hose. First step is to check for plugged fine filters in the sump area. Remove both filters and clean them thoroughly in "white vinegar". Next check for water in the basin by removing the kick plate, but first **turn off the power at the breaker panel**. If the basin is full of water, absorb the water or remove it with a "shop-vac". Run a cycle you normally would and watch for leaks or perhaps the unit is overfilling slightly throughout the cycle or timing out on the drain so it ends up exceeding the fill level by way of a drain pump fault. There are several possibilities as you can see, the more you can rule out on your own the better. I would also suggest checking the drain hose for debris or obstructions under the sink or where it connects to the home plumbing. Ultimately you may want to call in a pro. If so be sure they are familiar and proficient with Asko products, otherwise it could cost you more in the end. Let me know how you make out and I'll give you some other things to check if need be. Hope this helps move you forward, good luck. Macmarkus :)

Posted on May 31, 2010

  • 6 more comments 
  • panne1950 Jun 03, 2010

    Hi - thanks for the quick response. I've been working on the DW for the last few days & here is my results:


    I used a shop vac to blow back into the drain line at the sink end. I also took off the wash tower arm & blew back into that line. There were a few unpleasant pieces of gunk released. Then I went through all the wash cycles 2x with the wash arm off and with SUCCESS!!! The cycle ends with all red lights not blinking....!!!!


    So, I have successfully fixed the drain fault but might have found another problem. There was one cycle where lights #2 & #3 were blinking at the end. What does that mean?


    Thanks!

  • panne1950 Jun 03, 2010

    Macmarcus - another quick question - the plastic screws that hold down the filters have broken (which likely let gunk into the drain line since I remove those a lot to clean the filters & the filters are never secure)


    Do you know of ant tricks to keep the filters in place without those screws or a hardware store common item I might buy to replace them>


    Thanks, Paula

  • Mark MacDonald
    Mark MacDonald Jun 03, 2010

    Hello again,

    sorry I haven't been able to reply sooner but I'm out doing on-site calls today. As far as the lights flashing I'll need to refer to my diagnostic literature when I get home, ( since the 1474 is an older model I don't recall the code you're mentioning off the top of my mind ) but the screws are available at "repairclinic.com" for about $7. The part number they use is # 722055. I'll post back in a few hours or asap.

    Macmarkus :)

  • Mark MacDonald
    Mark MacDonald Jun 04, 2010

    Hi,



    to follow up on your earlier inquiry regarding the 2nd & 3rd flashing lights. This is an error code for a faulty heater or thermistor. As for confirming or dismissing either component being at fault it`s a matter of checking for burnt wires at the element and for a poor thermistor connection at the control board.



    Following this you`ll need to check the ohm value (resistance) of both components. Obviously ( or not ) this will require a "multimeter" or "ohm-meter". If you are not familiar with performing these test`s or are not comfortable doing so I`d suggest calling in a pro, just be sure in doing so they are familiar with Asko products or it could quickly cost you more then necessary.



    The element should simply be an 0 ohm value and the thermistor between 40k and 60k ohms ( 40,000 & 60,000 ) at approx room temp.



    Ultimately this can be a control fault as I`ve experienced first hand, typically right where the thermistor connect`s to the control the solder becomes cracked therefore provoking the error code.



    Let me know what you find or if you require further assistance.



    **Please turn off any power to the unit before attempting any service**



    Good luck.



    macmarkus :)

  • panne1950 Jun 04, 2010

    macmarkus :)




    Great info... The lights only came on once, so it's not a recurring problem. I will check out the resistance. Are there any schematics available for this machine so I know the basics? There is no ASKO repair person in the area - I've had to repair my ASKO washer & dryer myself, but I need a starting point.


    Paula

  • Mark MacDonald
    Mark MacDonald Jun 05, 2010

    Hey Paula,



    I guess it`s good the error only occurred once, perhaps it was related to low water temperature ?



    I don`t know how you`d go about gaining a wiring diagram aside from the diagram which is usually located in the machine and either in the control panel or the kick plate at the bottom. Have you checked either location ?



    If after checking the resistance values and searching for the diagram you don`t find one, I could scan mine ( a generic diagram for your generation Asko dishwasher ) on my pc and try posting it or emailing to you if you provide an address.



    Let me know how it goes and good luck.



    macmarkus :)

  • panne1950 Jun 06, 2010

    Macmarcus - thanks for the info, I haven't taken it apart yet, so I didn't know about the schematic inside. I think I'm ok with this, and will try to check it apart in the next few weeks. You have certainly been a great help!


    Paula

  • Mark MacDonald
    Mark MacDonald Jun 06, 2010

    Hello Paula,

    glad I could assist in any way, let me know how it goes or if you need any further help. Please do take a moment to rate the assistance positively which you have received.

    Thanks again and good luck.

    Macmarkus :)

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