Aluminum Foil cooked in microwave. Is the unit safe to operate?
My daughter placed five potatoes wrapped in aluminum foil in our Jenn Air microwave for approx. 28 minutes. Obviously the potatoes weren't cooking. The digital readout ceased working, and the unit became inoperable. Within a few hours, the unit was back up. We have not used the unit since. I am under the impression that the unit is totaled, and unsafe to use. My question: is that correct?
Is the unit now unsafe to operate?
THANK YOU in advance for your help.
The unit is safe to operate - however - to test the proper operation of the microwave - insert a cup of water, and see if it boils in 2 minutes.
If the water fails to get warm - you have internal damage that will need servicing by a qualified repairperson - as there are potentially lethal amounts of stored energy inside that must be discharged properly before working on it.
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It is best to not use aluminum foil in a Microwave since microwaves cant go through it, so It will not heat properly. If you are using it only on Convection It is just fine, it is like using a regular over then. Same kind of issue though if you are using convection, that is to bathe the meat evenly in circulated air. If you cover it in aluminum you lose a little effectiveness of the convection on the food your cooking. If it is to stop splatter just make a small tent over it and maybe tooth pick it down. Letting the air flow get under it but not splatter the entire inside.
If you shut it down quick enough the microwave will be operational, to remove the black marks mix baking soda in water and until becomes a paste, apply over affected area's let it sit for 5 minutes and wipe off with clean warm water.
I would like to make a warning ,do not try to repair microwaves , they are lethal weapons , I know someone who ran one with the cover removed and cooked his kidneys , if it is faulty dispose and get new, if aluminium foil was put inside it has heated up and as you say damaged paint ,the seal could also be damaged and lethal , dispose and buy another .
Yes it is safe to continue using the Microwave as long as the integrity of the glass is not compromised and the pitted marks do not exceed 1/4 inch. The RFwave generated by the magnetron is a pretty wide RF wave beam.
If your really concerned you can take the unit to any appliance service center and ask that they perform an RF leakage test. There is really no other way to know if your leakage is within acceptable limits. I can tell you from personal experience that the ony microwave I ever saw demonstrated excessive leakage had either been dropped and had hinge or latch damage.
If your really worried about it and can not get to a service center you can do this test:
- Wrap a tall empty glass with a sheet of aluminum foil and place it about 3 inches away from the microwave in front of the area you where noticed the pitting.
- Run the microwave with a GLASS filled with water of equal size for 1 minute.
- Stand back 3 to 4 feet and watch for any signs of a spark on the aluminum foil.
- As soon as the microwave shuts off check the dry foil wrapped glass for any signs of heat.
(No heat.... no problem. Sparks or Heat = repair time.)
You should always put a spoon in a cup of liquid that you heat in a microwave oven. The microwave with a potato wrapped in tin foil is like operating the oven with nothing in it! If the microwave was spotlessly clean then your in trouble. 1 put a cup of cold water in the microwave and set for 5 minutes. if the water boils then your lucky if it cold then go and buy a new microwave and stop your childs allowance for a fortnight. One might ask the question how old is your child and should they be using such a machine unsupervised!
Search the internet for “roast chicken recipe for microwave”
Here is one just in case you don’t find one: Microwave Roast Chicken 3 lbs. chicken 1 tsp. salt 4 tbsp. butter or margarine 1 tsp. paprika Instructions Melt butter in a custard cup in microwave. Mix paprika into melted butter. Wash chicken (reserve giblets, these are best cooked conventionally). Sprinkle inside of chicken with salt. Cover ends of legs, tail, and wings with small pieces of saran wrap or wax paper. Place trivet on inverted saucer or small casserole lid in 12 x 7 inch baking dish. Place chicken breast side down on saucers. Brush with butter. Cover with waxed paper. Cook 12 minutes. Remove wax paper or saran warp from legs, tail, and wings. Turn chicken breast side up and brush with butter. Cover with wax paper and cook 12 minutes more or until meat thermometer registers 180 degrees (temperature will increase to 195 degrees during standing).
DO NOT USE MEAT THERMOMETER IN OVEN WHEN COOKING!! Remove chicken from oven; cover with aluminum foil and let stand 15 to 20 minutes before carving. Note: For other weights of chicken, allow 8 minutes cooking time per pound.