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Dishwasher won't operate when you press start. Display shows two lines "--". Tryed tapping on the relays in the contol board and then it worked for about a week, now it stopped again. Replaced the board and that didn't do it. Removed the switches on the door latch and they have continuity. Any ideas what else to try. All the buttons on the touch pad do work when you press them and when you press the stop/drain button it will begin to drain the unit. So I don't think the control pad is defective.
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Originally Posted by: swjrok  Dishwasher won't operate when you press start. Display shows two lines "--". Tryed tapping on the relays in the contol board and then it worked for about a week, now it stopped again. Replaced the board and that didn't do it. Removed the switches on the door latch and they have continuity. Any ideas what else to try. All the buttons on the touch pad do work when you press them and when you press the stop/drain button it will begin to drain the unit. So I don't think the control pad is defective. check the float switch
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Originally Posted by: leosar check the float switch I can do that to. I did run the diagnostic test run on the unit and everything ran as it should although in the intital led test stage the start led did not come on. Maybe a bad a start button?
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[COLOR="DarkRed"]Maybe a bad a start button?[/COLOR]
Sounds reasonable to me.
Since you knew how to run diagnostics I am assuming you have the tech sheet.
I would check the keypad output with a meter to see if the start switch is OK.
If all OK then odds are it is a control board problem.
You could try the following but since the keypad/ribbon cable outputs use each track as common to a number of keys I would think you would have also seen other keys that did not work when you tested it.
Connector Cleaning / Checking
Unplug the unit
Open it up
Remove the ribbon cable from the keypad to the control board at the control board.
Clean the edge connector.
If it is the type where there is not a connector just the insulation is removed, it can be cleaned with a pencil eraser. Do not use an ink eraser as it is too abrasive.
Check the tracks in the ribbon cable for hairline cracks. A magnifying glass helps here.
Would not hurt to clean the connector on the board. Use electronics contact cleaner or isopropyl alcohol and a tooth brush. Be gentle and do not reconnect till all the solvent evaporates.
Reconnect everything and give it a try. |
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