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How to defrost heil heat pump HHP242AKA1 - Microwave Ovens

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2 slices of bread wrapped in paper towel microwave set on defrost set 35 seconds caught fire


Microwaves work by friction. They blast water molecules in the food so they move fast, just like rubbing your hands together makes them hot. Some types of microwave in defrost mode actually apply FULL POWER for a short period of time so to make the product warm to the touch. This heat then penetrates down to the core of the food, ensuring full defrost. In your case the heat was sufficient enough to heat the dry paper towel to set it on fire.
Bread is better defrosted on the low power setting as sliced bread is very thin. Items should only be defrosted on the defrost setting that are thick and need to be completely defrosted on the inside. Remember microwaves only penetrate the surface of food, making that hot. Thermal conduction does the rest.
You should never use paper towels in a microwave unless the instructions for doing the food say so. You wouldn't put a paper towel in a gas or electric oven, so don't put them in a microwave.

Feb 18, 2016 | In Microwave Ovens

1 Answer

Micowave runs but doe not heat.


If it looks and sounds like it's running but doesn't heat, one possibility is that the magnetron tube has burned out. This is the electronic tube that emits the microwave radiation. Another possibility is that the control circuit that regulates turning the magnetron tube on and off for defrosting and lower-than-100-percent heating rates could be faulty. Try heating with the defrost setting and at full power and see if either method results in any heating. The cost of replacing the magnetron at a repair shop could be high enough that you might rather just buy a new microwave oven. My father replaced the magnetron tube himself, but he's an electronic engineer. I wouldn't recommend that just anyone try it. How new/old is it?

Mar 10, 2015 | Microwave Ovens

1 Answer

Tapan microwave works does not heat or defrost


There is a switch on the door, If it is not closed completely, the microwave generator will not turn on. If this switch is bad the generator will not work, but the lamp and fan will turn on.
murf427

Aug 03, 2012 | Microwave Ovens

1 Answer

How do you defrost on the microwave


What is need to set the program, select defrost function then select the weight of the food to be defrosted and push the value of the weight. Now select the heat value and press start as the processor will then decide the time to defrost.
This is a simple program setting or else you can choose a preset heating defroster program.

Aug 19, 2011 | Microwave Ovens

2 Answers

Refigeration line in freezer gets so hot it glows red.


Thats your defrost element :) If you are not having any problems with your freezer staying frozen, that is normal

Mar 25, 2011 | Microwave Ovens

1 Answer

Siemens fridge freezer kg30u694gb has droped temperature from -23 to -4 is that normal also alarm is on


No. The freezer's ideal temperature is -18 and if this has dropped it can be due to many issues.
It can be the gas pressure, the pumping of the compressor if there is no coling even after switching off for several hours.
If cooling returns after several hours it can be auto defrost timer, thermostat or poor defrost heating

Aug 28, 2010 | Microwave Ovens

1 Answer

Not heating or defrosting although light works, timer etc works


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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May 11, 2010 | Neff H5470 Microwave Oven

1 Answer

It runs but does not heat. last nite used the speed defrost now it won't heat for anything made a noise while on speed defrost


sounds like the magnetron may be gone on it. this creates the heat. if the unit is older, it's not worth repairing, but if newer, check you manual for the warranty. some mags have 3-5 years warranty.

Nov 13, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

My refrigerator stopped working and will not come back on. It is a Jenn-Air Side by side purchased 4 years ago.


you might have a defrost problem. Frost free models have a heating element that is controlled by a timer to automatically defrost ice, defrost timer turns on defrost heating element every 12 hours to melt ice in freezer and allow good air flow.
You can test defrost element with an ohm meter(located inside freezer coils-will have two wires going to a plug connection), if OK replace defrost timer (located in various places depending on make and model

Aug 24, 2009 | Microwave Ovens

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