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- Keep the interior clean. Vapor can transfer grease and residues to the cavity, causing rust and corrosion of the interior.
Be especially watchful of the area under the turntable. This pocket tends to collect grease and particles, and can be a major source of trouble!
- Never cook popcorn directly on the bottom. These little bags have foil strips on the inside which will instantly discolor the bottom and warp the turntable. Instead, place popcorn on an inverted plate or bowl.
- Always cover every item you microwave. Food gives off steam during the cooking cycle, and this vapor will permeate the inner cavity and control panel, causing various failures along the way. Use a paper towel over the food as a precaution.
- The metal racks which come with some models are a convenience only, and should not be left in the unit if cooking on the turntable. Frankly, the rack is only useful if cooking casserole-sized platters, and is not likely to be needed in most cases. I recommend storing this rack on the B-B-Que pit, or someplace else that needs a rack. Regardless of what the manufacturers say about metal in a microwave, I maintain that it causes problems.
Troubleshooting chart - most common problems and possible causes:
The following chart lists a variety of common problems and nearly all possible causes. Diagnostic procedures will then be needed to determine which actually apply. The 'possible causes' are listed in *approximate* order of likelihood.Problem: Totally dead oven.
Possible causes:
1. No power to outlet (overload or fault in microwave or other appliance).
2. Blown main fuse - likely due to other problems.
3. Open thermal protector or thermal fuse.
4. Defective controller or its power supply.
5. Clock needs to be set before other functions will operate (some models).Problem: No response to any buttons on touchpad.
Possible causes:
1. Door is not closed (some models).
2. You waited to long (open and close door to wake it up).
3. Controller is confused (pull plug for a minute or two to reset).
4. Defective interlock switches.
5. Faulty controller or its power supply.
6. Touchpad or controller board contaminated by overenthusiastic cleaning.
7. Defective/damaged touchpad.Problem: Oven runs when door is still open.
Possible causes:
1. Damaged interlock assembly.
2. Cooling fans (only) running due to bad sensor or still warm.Problem: Oven starts on its own as soon as door is closed.
Possible causes:
1. Defective triac or relay.
2. Controller is confused (pull plug for a minute or two to reset).
3. Defective controller or its power supply.
4. Touchpad or controller board contaminated by overenthusiastic cleaning.
5. Defective/damaged touchpad.Problem: Oven works but display is blank.
Possible causes:
1. Defective controller or its power supply.
2. Broken display panel.
3. Oven needs to be reset (pull plug for a minute or two to reset).Repair Solutions- FOR SERVICE PROFESSIONALS:
The Complete Microwave Oven Service Handbook on CD Rom-
If you have ever desired to learn how to diagnose and fix any problem with a microwave oven, then this Microwave CD Handbook is just for you! Service technicians can use this to replace tons of technical literature...it's all in here!
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® also. Click the graphic above to see more on this great item!Produced by J. Carlton Gallawa, a distinguished expert in the field, this handbook contains everything a professional technician or even a do-it-yourselfer could want to know regarding microwave servicing and diagnosis. Covers the GE Advantium
Diagnostic Tools-
This multi-meter will take the guess work out of microwave diagnosis. Check voltage, resistance, capacitors and more!
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Still need help? Check out the results on our Microwave Help Forum
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