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Ask Daniel Your Own Question
Daniel, Home Appliance Technician
Category: Appliance
Satisfied Customers: 17310
Experience:  20+ yrs. experience in white goods repair. NVQ Level 2 electronics manufacturers training courses.
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Whirlpool dishwasher ADG 7470/1 not heating up.light flashing

Customer Question

whirlpool dishwasher ADG 7470/1 not heating up.light flashing 6 times
Submitted: 2 years ago.
Category: Appliance
Expert:  Daniel replied 2 years ago.
When you set it going and before you get the 6 flashes do you hear water entering the dishwasher?
Customer: replied 2 years ago.
Ayes it goes through the cycle
Expert:  Daniel replied 2 years ago.
Ok can you double check the flashing lights then as if you have 6 flashes from it this is a filling error code and it will cut out a few minutes after starting a wash.
When do you get the flashing lights?
Customer: replied 2 years ago.
When it has finished.the light will flash now if I open the door
Expert:  Daniel replied 2 years ago.
Ok so what is the dishwasher doing wrong for you?
Is it still going through the cycle to the end but just not heating up?
So does the cycle abort and the rinse light lit up and the start light flashes?
Customer: replied 2 years ago.
It goes through the cycle but doesn't clean properly or get hot
Expert:  Daniel replied 2 years ago.
Ok if its not heating then its either the heater, wiring or the control board.
As these models if the heater fails will still complete the cycle but just in cold water which wont really clean the cycles.
What you need to do on this if checking it yourself is unplug the dishwasher and from there remove the outer door panel.
Then remove the metal cover at the bottom below the door.
There you will see the heater cylinder in front of you. If you have a multi meter you need to disconnect the wiring and test it for continuity. If faulty then you need to replace the heater.
Bit if the heater is fine then with the outer door panel removed you will see the wiring harness. Open the plastic casing and from there check the wires. Give each one a tug as they do like to break in there in the loom as it bends down to the underside.
But if the wiring is fine then the control board will be the fault.
But check the heater and wiring first as most of them its one of them that causes this fault.
Let me know what you find or if you need anymore info just get back to me.
Customer: replied 2 years ago.
This machine is intergrated,I can't see a panel below the door
Expert:  Daniel replied 2 years ago.
Its there as its goes across at the very bottom.
I take it you have removed the wooden kick board at the bottom of the kitchen and the outer wooden door?
As they have to be removed to see this. Its held on with 4 screws 2 either side and they are torx screw (star shapped)
Customer: replied 2 years ago.
OK.I,llgive it a go and get back to you at the weekend. Thanks!
Expert:  Daniel replied 2 years ago.
No worries that's fine.
Speak soon.