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Kelly
Kelly, Appliance Technician
Category: Appliance
Satisfied Customers: 19149
Experience:  Highly accurate diagnostician with over 30 years experience!
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Have a maytag dishwasher mdb444409pas2 had a issue wit it

Customer Question

Have a maytag dishwasher mdb444409pas2 had a issue wit it not running a complete cycle, it would stop and drain , if i tapped on the main borad as it started cycle , it would finish, so ored new borad , now when i press start the green light just flashes ??
Submitted: 6 months ago.
Category: Appliance
Expert:  Kelly replied 6 months ago.

Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you!

Please know that I am not compensated for my time by the site until you rate using the stars at the top of your page. A rating is appreciated once we get to the solution for your appliance issue, thanks!

I suspect you may have an issue with the door switch, number 3 in the diagram at the link below. Can you get a look at the switch and its connections/wiring and test to see if it works with a test meter?

CLICK HERE

Customer: replied 6 months ago.
Check the switch its ok also jumpered the plug for switch , still same thing start light flashes ?
Expert:  Kelly replied 6 months ago.

Is it flashing fast continuously or slow and with a pattern?

Customer: replied 6 months ago.
When i perss start it turns geen on for about 5 sec then steady on/off flash
Expert:  Kelly replied 6 months ago.

Is it very fast flashing or slow?

Customer: replied 6 months ago.
Slow (steady) not real slow ,and when i push cancel , the red light stays on until i push cancel again
Expert:  Kelly replied 6 months ago.

Okay, so it is displaying error 1-1. That error means that the K1 relay on the board is stuck closed. There is probably a shorted component that has damaged the new control. Let's see if it will initiate a diagnostics cycle.

1 To invoke the Diagnostics Cycle, perform the following while in standby:

■ Press any 3 keys in the sequence 1-2-3- 1-2-3-1-2-3 with no more than 1 second between keys.

■ The Service Diagnostics Cycle will start when the door is closed.

Customer: replied 6 months ago.
Ok now i get delay & start light flashes together
Expert:  Kelly replied 6 months ago.

Did all of the lights come on initially?

Customer: replied 6 months ago.
cycles - rinse - heat dry are on. , with delay - start flashing
Expert:  Kelly replied 6 months ago.

Great! Now, press cancel and then see if a regular cycle will start.

Customer: replied 6 months ago.
Nope , same thing 5 sec then flashing
Customer: replied 6 months ago.
Tried that 123, 123 , 123 now all the lihgts are on
Expert:  Kelly replied 6 months ago.

Okay, so again, cancel and see if the cycle will start.

Customer: replied 6 months ago.
Nope just flash
Expert:  Kelly replied 6 months ago.

The new control has failed, but likely due to a shorted component. I would look closely at the motor, heater and drain pump and test each for a short to ground or shorted wire.

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