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binthere222

Member Since 26 Dec 2008
Offline Last Active Jul 15 2012 06:36 PM

Topics I've Started

Dead GE Advantium Microwave Solution, Thermal Cutoff Fuse

14 July 2012 - 03:17 PM

In my case, I have found the easy solution to the numerous "Dead Advantium" posts I have seen. This seems to occur with amazing frequency, when power is available, but nothing comes on at all. GE sure doesn't make it cheap to fix and it seems that ALOT of excess work is done when all it takes is the replacement of one little item.

It was an easy fix to remove the control panel and then the Thermal cutout fuse shown. Once replaced, All the lights came on and it started to work again, No problem.

The Thermal Cutout Fuse is heated by air exhausted from the cooking chamber of the oven. If there is a food fire or other other overheat condition, this fuse is supposed to temporarily open, Thereby bringing all operation of the oven to a DEAD STOP. Emphasis on the DEAD, i.e. electrically dead. Problem is, these little fuses are poorly designed/constructed such that they will remain open when they are supposed to close as the oven cools off.

UNPLUG THE UNIT FROM HOUSE POWER BEFORE DOING ANYTHING !!!!!

1. There are two screws pointed straight down above the upper grill. Remove those with a phillips screwdriver, then pull the grill off.
2, One stainless screw is now revealed above the center of the control panel. Remove it and then slide the panel up 1/2 inch by pushing/tapping up from the bottom of the control panel then lift it out.
3. There will be less stress on both you and the equipment if you just remove all wiring harness plugs from the rear of the control panel.
4. You will then be able to see the offending cutoff fuse secured by one screw to the floor of the controls cabinet just behind where the control panel sits. Test across the two terminals. If you get no continuity or anything more than ZERO ohms, then replace the part because it is not providing a closed circuit EVEN THOUGH THERE IS NO HEAT CONDITION PRESENT.
5. Remove the two white plastic insulated spade plug connectors, then the one screw and lift the part out.


Attached File  LongLow.jpg   120.46KB   16 downloads This Shows the General Location of the Fuse at the bottom center after the control panel is removed
Attached File  CloseupLow.jpg   77.73KB   14 downloads This shows a closer view of the Fuse
Attached File  FusebottomLow.jpg   69.99KB   12 downloads This is a view of the aluminum bottom of the fuse
Attached File  InsidesLow.jpg   50.58KB   21 downloads When the fusebottom is removed the mechanism is revealed. The small purple stick is made of a ceramic or plastic which expands slightly when heated. One end of the stick touches the aluminum, the other end pushes against a flexible brass strip (at the small dimple in the center). This causes two contact points to separate, thereby opening the circuit. The contact points appear to be oxidized from the presence of heat, DUH !!! and dampness from cooking food.

GE Advantium microwave Oven SCA2001KSS Dead

13 July 2012 - 10:46 PM

Just got the repair manual, many thanks fellow appliantologist. And following troubleshooting guide.

This is what the microwave was doing before the death. It burned out the door safety switch, and I do mean burned to a crisp, like either it was being way overamped or was being exposed to microwaves leaking past the microwave shield it sits next to.

So, I would put in a switch and then a week later it was burned up too. This went on about 5 times.

Now, even with a replacement switch, just plain dead.

Also, When I go from L2 to Neutral as the troubleshooting guide recommends, I don't get 24 ish ohms, but 240 ohms. I double checked.

Any Ideas?

I have a feeling this is a common issue from all the assocfiated message traffic.

Need Repair Proceedure manual for GE Advantium SCA2001KSS

13 July 2012 - 03:02 PM

Typical DOA for this advantium. Curious to know how the "engineers" at GE troubleshoot so you don't have to buy all 6-7 Fuses and thermal cutouts etc. Particularly interest in ohm-out specs for these little beauties.

Konichewa BeerMaster !!

Request repair manual for GE washer WDRR2500K4WW

28 January 2012 - 06:13 PM

Thank You !!!!

GE Profile Advantium Microwave SCA2001 won't heat etc.

28 January 2012 - 05:35 PM

I have noticed alot of message traffic on various sites about the Advantium Microwaves failing to heat not long after the warranty expires.

There is little guidance on the problem and it's solution.

1. This is a Microwave designed by attorneys, lots of attorneys. :wc: Even the software in the recipes gives you legalese pronouncements such as, "plate is hot" or "only use authorized plate".
Too bad they couldn't put diagnostic messages in like "door switch error, buy one for $5".

2. Since there is an overabundance of protection in the system, there are actually THREE door switches.

3. It appears that the upper door switch is exposed to unshielded emissions from the microwave horn and is prone to burn out over time (just after the warranty expires usually).

4. The first picture is a view into the cabinet behind the control panel. The upper door safety switch is visiblly burned and the tang insulator is even blackened. To get inside the cabinet a. Unplug the unit at the wall socket, b.remove two screws from the top of the black plastic louvers at the top of the cabinet (you may have to open any cabinet doors above the unit) then remove the black plastic louver. c. remove the single stainless steel screw revealed at the top of the controlo panel, then tilt out the top of the panel and pull out the two plastic tabs at the bottom of the panel which fit into two slots.

5. Examine the safety switches and connectors for signs of burning.

6. If no visible burning, Remove the switches and check them for continuity with an ohmmeter. The switches should be closed when the button is pushed.

7. Use the part number molded into the side of the switch body to order a replacement or see the parts listing linked to this site.

Attached File  CabinetViewb.jpg   97.57KB   13 downloads


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