Question about Panasonic NN-T990SA Microwave Oven

The detector is 30 feet away, around a corner, 18 inches from the floor. Only seems to do it when running the microwave at full power. The microwave is a 1200 watt Panasonic with the inverter system. The problem just started about a week ago. We've had the microwave for 7-8 years, the CO detector is about 2-3 years old.

Uplug the micro wave for the same amout of time the dector go off and see what happen if it goes off check the battery and replace them and do the same as above test to see if dector is not working properly

Posted on Jul 01, 2009

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Posted on Jan 02, 2017

generally speaking you buy and OTR microwave by width, i.e., 30" wide is the standard width of all most all OTR . so any 30' wide microwave will fit. when talking about cubic feet, they usually are talking about the interior capacity of the microwave. but if you really want to know cubic feet of above dimensions, then multiply all three together and divide by 1728. (4.036 cuft)

Aug 29, 2015 | Frigidaire Microwave Ovens

Almost all over the range micros are 30 inches wide. They did make a few 36 inch models but most are 30. Top to bottom back measurement can be between 16 to 18 inches. Most makes are similar in size. Back wall mounting plate will have to be exchanged since each company has a slightly different design but the wall plate comes with the new unit along with mounting hardware.

Apr 14, 2015 | Sharp Microwave Ovens

Determining the cubic feet of any given appliance, Microwave, Oven, Freezer or Refrigerator is quite simple.

Follow these steps.

Open the door of your microwave and measure the length, width and height in inches of the interior cavity.

Multiply the length by the width by the height using a calculator to get the total in cubic inches.

Divide the cubic inches by 1,728, which is the volume of a cubic foot. The resulting number will be your microwave's measurement in cubic feet. You can also use an online conversion calculator to simplify matters

Hope that helps

Follow these steps.

Open the door of your microwave and measure the length, width and height in inches of the interior cavity.

Multiply the length by the width by the height using a calculator to get the total in cubic inches.

Divide the cubic inches by 1,728, which is the volume of a cubic foot. The resulting number will be your microwave's measurement in cubic feet. You can also use an online conversion calculator to simplify matters

Hope that helps

Sep 12, 2014 | General Electric Microwave Ovens

4.5 cubic feet.

Jun 24, 2014 | Microwave Ovens

This can be two things that I know of 1 is a timer defect and the other is someone has placed some type of metal ie utensil, foil, can whatever into the microwave - either way you should replace the microwave and its a fire hazard to your home and others around you and the cost of a new unit is not worth the losses a fire can bring.

Jan 14, 2013 | Maytag Appliances Over-the-Range Microwave...

Hi, W/D here.

Here's an easy way to calculate your cubic feet: measure and multiply (in inches) the width X depth X height, then divide by 1728. This will give you cubic feet.

For example, if a microwave measured 18" wide X 18" deep X 12" high, it would be 3888 cubic inches; divided by 1728 (cubic inches in one cubic foot) = 2.25 cu.ft.

Best regards, --W/D--

Please take a moment to rate this solution. Thanks. --W/D--

Here's an easy way to calculate your cubic feet: measure and multiply (in inches) the width X depth X height, then divide by 1728. This will give you cubic feet.

For example, if a microwave measured 18" wide X 18" deep X 12" high, it would be 3888 cubic inches; divided by 1728 (cubic inches in one cubic foot) = 2.25 cu.ft.

Best regards, --W/D--

Please take a moment to rate this solution. Thanks. --W/D--

Mar 19, 2011 | Microwave Ovens

So are you saying that the vent hole doesn't line up with the microwave vent hole? I had a similar problem, it didn't matter since most of the new over the stove microwaves can vent back into the house as an option.

Sep 14, 2009 | Microwave Ovens

make sure you loads are balanced, put heaviest clothes in first... if you can rock it by hand then the legs are not adjusted properly. If you stand 2 feet away from front of machine, jump up and down and see it move the floor is soft and you need 2 sheets of plywood to make 1 1/2 inches put under the machine

Aug 16, 2009 | Maytag MMV4205 Microwave Oven

After calling many numbers, I was put in contact with the manufacturer, Galanz Microwave, and was told that that beeping is due to a burned out part in the keypad that is not servicable. I, too, have this annoying model!

Jul 19, 2009 | Danby DMW1153 Microwave Oven

If you want to calculate the volume of an object and have the answer in cubic feet.

Volume=Length X Width X Height

With the dimensions you give

Volume=12.5in X 37in X 20in

Volume=9250 cubic inches

To convert 9250 cubic inches into cubic feet you need to understand that there are 1728 cubic inches in 1 cubic foot.

L X W X H = 12"X12"X12"=1728 cu in

You then multiply 9250cu in and (1/1728cu ft) Really you are dividing 9250 by 1728.

your answer is 5.35 cubic feet.

12 inches in 1 foot

144 square inches in 1 square foot

1728 cubic inches in 1 cubic foot

to convert you put the unit you want to keep on top of the dividend.

to conver to to feet ( randomly selecting 100 inches)

Example converting 100 inches to feet

100inches X ____1ft____ = (100/12) = 8.3 feet

12inches

or cubic inches to cubic feet

4000 cubic inches to cubic feet

4000cu in X ____1cu ft____ = ( 2.33 cu ft)

1728 cu in

if you notice that the units on top and bottom of the dividend cancel each other out leaving the numerator (top number) as your unit.

it also works in reverse

2.33 cu ft X ___1728 cu in____ = (4000 cu in)

1cu ft

Volume=Length X Width X Height

With the dimensions you give

Volume=12.5in X 37in X 20in

Volume=9250 cubic inches

To convert 9250 cubic inches into cubic feet you need to understand that there are 1728 cubic inches in 1 cubic foot.

L X W X H = 12"X12"X12"=1728 cu in

You then multiply 9250cu in and (1/1728cu ft) Really you are dividing 9250 by 1728.

your answer is 5.35 cubic feet.

12 inches in 1 foot

144 square inches in 1 square foot

1728 cubic inches in 1 cubic foot

to convert you put the unit you want to keep on top of the dividend.

to conver to to feet ( randomly selecting 100 inches)

Example converting 100 inches to feet

100inches X ____1ft____ = (100/12) = 8.3 feet

12inches

or cubic inches to cubic feet

4000 cubic inches to cubic feet

4000cu in X ____1cu ft____ = ( 2.33 cu ft)

1728 cu in

if you notice that the units on top and bottom of the dividend cancel each other out leaving the numerator (top number) as your unit.

it also works in reverse

2.33 cu ft X ___1728 cu in____ = (4000 cu in)

1cu ft

Jun 03, 2008 | GE JE1540 Microwave Oven

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