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Brian B

maytag electric range MER7662WQ1

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Brian B

when I first try to put the stove on bake, nothing happens. I press the buttons, and nothing. the same for a broil button push, just sais hi and then when I press start, nothing.

but when I pressed the auto clean button I thought I heard a rubbing sound. So, all buttons work except bake, broil, start, and when I press clean f5h is displayed.

Went to my board and I do get 120volts to it. took the board out and seen no damage and peeled the skin off and depressed the buttons, and they seem good.

Next, I took off the motor latch assembly and pushed the rod backwards to lock the door, now, how do I check the lock? at the board or at the switch on the assembly? I tested at the board and their was no continuity when locked. I f I checked the right place, am I looking at a new lock assembly?

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Brian B

Start button doesn't work, bake and broil doesn't work either. When I push clean, I get an F5 code and hear a rubbing sound. Has anybody seen a control lock, where you cant even put in diagnostics mode?

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tjweaver84
1 hour ago, Brian B said:

Has anybody seen a control lock, where you cant even put in diagnostics mode?

Do you mean control board? If a control board does not enter diagnostic mode, that indicates the control board is bad. Combine that with so many buttons not working and it seems more and more that it is a control board problem. F5 is either the door switch or door latch depending which code. Bake and broil should not have anything to do with the latch.

Is the oven locking on it's own or just when you manually lock it? The latch switch is on the Motor Latch Assembly. There is a cam which operates the switch based on the position the shaft is in. If you remove the assembly and latch manually without rotating the cam it will not show continuity.

As you have gained access to the latch assembly you can unplug the switch and check continuity at the switch then actuate switch yourself and see if the switch changes state.

 

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Brian B

Yeah, the cb. why would an f5h code come up if the control is the issue?

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Brian B

So, you should be able to rotate the cam on the latch assembly?

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tjweaver84

If the board is looking for the switch to indicate that the door has latched in a set time period to throw a code, but the board is closing relay to start the door latch motor you could get the alarm. The cam is attached to the motor shaft, but to test the switch itself you can push the switch with finger or small screwdriver. And I meant to put this in the previous response but see that I missed it. You can put the oven in clean mode and check voltage across the door latch motor. You should have 120VAC. If there is voltage present and motor doesn't turn the motor is bad, if there is no voltage then it's the board.

Those motors tend to go if not used regularly so if you don't regularly run self clean it is very possible the motor is bad, but the motor should not cause the problem with the bake/broil/start not working, and if the board is good it should enter diagnostic mode

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Brian B

Thanks, I ordered my cust a door latch assembly because I done what you mentioned, I may have manually locked that latch, and tested open. Guess I'll find out!

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