Question about Maytag MGR6775 Stainless Steel Kitchen Range
This happened once before, when I put a wet nylon cutting board on the cooktop to dry overnight. I heard a pop and saw the control panel was dark. I checked the breaker and it was tripped. I took the cutting board off the range, checked for standing water (didn't see any), and let it dry out over night. In the morning, reset CB - worked fine.
This time, resetting the CB right away caused it to trip again. Letting it sit over night allowed the breaker to be reset, but as soon as my wife tried to light a burner (spark ignition) - it "popped" and tripped the breaker.
She noticed a small amount of smoke from around the rear burner knob. We removed the knobs and noticed the rubber gaskets around the holes. They had some gunk left around them, and the rear control's gasket appeared to have been dislodged slightly (not seated as well as the others).
I service computers, and feel confident about investigating the cause of the problem. I was looking for a service manual, when I stumbled across your site (google). I've replaced the oven igniter some time ago, but haven't cracked the back open yet. Is there a service manual pdf? I think I want to inspect the area under the knobs, and look for some gunk causing the short. Any ideas, guys?
Same problem here, except that the ignitor switch attached to the knob/valve stem shorted out and caught fire. It's a poor design. The rubber grommets don't do an adequate job of keeping liquid out of the ignitor switches, and the switches themselves have no drains and are prone to shorting.
You can remove the cooktop without disassembling the burners.
First remove the two screws that hold the front of the cooktop down against the range. You'll need to open the top oven door to get to them.
Then remove the large rear sheetmetal panel, and unplug the 7 wires running from under the cooktop to the control modules. They plug right into the control module. Two of the wires come from the gas manifold on the left. The remainder come from the five ignitors, and are orange/brown. You may want to label them. Also remove the green ground wire.
Now unscrew both hard gas lines where they attach to the gas manifold underneath the cooktop. As you look at the rear of the range, with the sheetmetal panel removed, you'll see the manifold in the top left area. Although you can't see it from the front, the gas manifold sits underneath the row of knobs.
You should be able to carefully lift the cooktop off the range.
Inspect the five white squares attached to the valves on the manifold. If you saw smoke, then one of them is probably somewhat blackened/charred. Mine was.
Now if I could just figure out where to buy replacement switches.
Posted on Feb 14, 2009
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Posted on Jan 02, 2017
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