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"lock" and F9 and ignitor
Model Number: mgr5770adw Brand: Maytag Age: More than 10 years
Actually this question came up in attempting to identify why I have an F9 error and now a "lock" indication.
In summary, the door latch assembly works. The control lock touch pad does not turn off the "lock" indication. I believe I have checked that no baking or oven cleaning "delay's" are in progress. I have checked the door position (oven light) switch.
I took off the oven top and physically watched the latch assembly do its thing. I replaced one of the microswitches (door closed microswitch). I can see the latch assembly work when the oven cleaning mode is enterred as long as there is tension on the hook (without tension on the hook, the closed relay never is actuated due to the design). The latch assembly is working perfectly (contrary to the F9 code which was indicated at some point)
F9 goes off (as does the clock) when I open the door. I expected both to stay on.
After trying all sorts of things, instead of seeing F9, I see "lock". pressing control lock for 3 seconds does not turn off the "lock" signal. I can recycle the latch by pulling it to the right which starts the latch motor. I can reset it by pushing the latch hook to the left which energizes the latch motor and puts the hook in the open position. Contrary to other people's experience, opening the door, pushing the latch into open position, pushing in the door microswitch and hitting cancel all at the same time..does not reset anything for me.
Broil mode WORKS. i can see the ignitor get hot and the gas ignite. F9 never goes on.
Bake mode does not work. I can see the ignitor get hot but the gas never appears (don't smell it nor does it light if it is there at all).
as soon as the baking ignitor turns off....F9 appears.
because the circuit diagram is so so so poor....there is NO way i can see what the dependencies are for bake and clean to operate. i can guess but that is not the same as knowing.
because the gas never came on....i am guessing the ignitor is bad. it may also be the valve but i am guessing it is the ignitor. Perhaps the controls panel is involved in some manner (if valve does not turn on within a number of seconds, the control panel might shut everything off?
I measured the resistance of the broiler ignitor (142.2 ohms) and the baking ignitor (183 ohms). it seems that while there is a difference, it is not enough to stop the bake ignitor from working!
So can anybody give me any feedback?
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