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Hi Gene,
I have a Maytag Gemini Eletric Range Model #MER6770AAC Serial #11703366U and I'm getting an F1-2 code.
Everything I read says that it means a "runaway cook lower oven" and can either be one of the two thermostats
or the touchpad. I have tried shutting of the breaker for 5-10 minutes but that doesn't fix the problem.
I have a number of questions. First, in the sheet that says "IMPORTANT Technicians Use Only" there is no F1-2
error code,. They have F1-1 & F1-3 AND F2-2. Is the F2-2 a misprint (it says runaway cook lower oven).
Second, assuming that my F1-2 code is a runaway cook lower oven where would you start looking for the
problem? With the two thermostats? If so, what is the resistance (I assume that's how I would check them)? If
not do I check the board? How and is there a diagram of what it looks like?
Any help would be greatly appreciated!
Thanks, Charles
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Rank: Advanced Member
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Charles, could you have chosen a smaller font for your message? :eek: Quote:getting an F1-2 code. Everything I read says that it means a "runaway cook lower oven" That is what the control 'thinks' is occurring, yes. Is that oven overheating??Quote:and can either be one of the two thermostats or the touchpad. That fault code could be caused by the oven actually overheating, by the control being fed incorrect temperature data by the oven temperature sensor and/or its wiring or the control misinterpreting the temperature data it is receiving (ie. defective control). Quote:where would you start looking for the problem? If it WAS overheating, with the control looking for a shorted relay for the element(s) staying on. Next with the oven temperature sensor. LINK > MER6770AAC Electronic ControlIf it was NOT actually overheating when the fault code displayed, starting with the oven temperature sensor and its wiring circuit would likely be the course of action most technicians would follow. LINK > MER6770AAC Oven Temperature SensorLINK > How do I check an oven temperature sensor?JMO Dan O. www.Appliance411.com
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Rank: Member
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HI Dan,
Sorry, about the font to me it looks small. How is this? Thanks for the quick reply. No, the lower oven is definitely not overheating. I started with the sensor by turning on the oven to get the error message, however, I did it quickly and by mistake I turned on the upper oven (duh!). After about 20 minutes the code (F1-2) came on. ??????? How can it throw that code with the lower oven off? Does that point more to the membrane panel?
Thanks, Charles
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Rank: Member
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Dan,
As a quick follow up to my note, after shutting off the code alarm a1/2 hour later it started beeping again. Membrane panel still warm from the upper oven?
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Rank: Advanced Member
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Quote:Does that point more to the membrane panel? I never said that was a possibility in any case. It would be the electronic control circuit board that would be suspect if the oven was not overheating. I don't think a failed sensor would produce that error if the oven was not in use at the time... but might still be a possibility. JMO Dan O. www.Appliance411.com
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Rank: Member
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Hi Dan,
OK, I'm sorry but now i'm confused. What would you check first? Would you still check the sensor? The control board? (how is that checked?)
Thanks,
Charles
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Rank: Advanced Member
Groups: Senior Expert
Joined: 5/31/2009(UTC)
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Quote:Would you still check the sensor? Definitely. While there's only a slim chance it is the cause it is one of the only things that can actually be checked for your possible error message. Quote:how is the [control board] checked? It can't be AFAIK. Its failure is usually just assumed once any other possibilities are ruled out. JMO Dan O. www.Appliance411.com
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Rank: Member
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Hi Dan,
Now I'm frustrated. I pulled the stove out and took off the back so that I would be able to check the resistance of the sensor since the only time it throws a code is when the oven is on and hot. Now I've had both ovens on together and seaprately, and no codes/alarms!
I did check resistance at the different temps on both sensors as the ovens cooled down from 450 and they both matched specs. So any ideas or do I just go and buy a electronic control?
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Rank: Advanced Member
Groups: Senior Expert
Joined: 5/31/2009(UTC)
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Quote:Now I've had both ovens on together and separately, and no codes/alarms! That's often the way. Isn't appliance service wonderful? :rolleyes: Quote:So any ideas or do I just go and buy a electronic control? I'm afraid I do not have any other ideas as to the cause, sorry. Dan O. www.Appliance411.com
The Appliance Information Site=D~~~~~~
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Rank: Member
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Here's the topper! We have continued to use both ovens for actual food prep and no codes/alarms. So rather than spend $240+ maybe the fix is to just pull the range out take off the back, put it back and push the range back in. :) I can do that say once a month or so since I'm retired and have a limited income with plenty of time!:D :D Whadya think?
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