Question about Panasonic NN-T774SF Microwave Oven

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Panasonic microwave i bought this microwave in 2004. It's actually the 1200 watt microwave but same model. Anyway i bought this one and i went to the hospital cause i was sick. and when i came back it was no longer working. This microwave has not worked in 2 1/2 years and i have no idea what is wrong with it. Do you think that you can possibly tell me what's wrong with it?

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Re: panasonic microwave

You mean it's dead, or won't heat? What is the exact symptom?

Please post that, then we can suggest the solution. Thank you.

Posted on Dec 06, 2007

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What is the actual power wattage? on the back it says single phase 1200 w and out output is 800 w.I dont understand the difference

1200 watts in to operate the appliance then 800 watts power output emitted in microwaves for cooking.

Sep 16, 2015 | Microwave Ovens

1 Answer

The Time and Memory Buttons stop working and function again a day or 2 latter why is this happening and can it be fixed?

1200 watt input and 700 output makes it 700 watt machine.
sounds like tThe touch pad is finicky . Yes , you are stuck with it unless you wish to replace the touckh pad.

They claim to have parts for Mezzo:

Aug 03, 2014 | Microwave Ovens

1 Answer

How do I know wattage for 1974 recipes and convert cooking time to todays microwave (1200)

A 1974 Microwave Oven is probably not putting out more than 600 watts. You need to do a power test to determine it's actual power output. Place a 2 cup glass measuring cup with exactly 500 mL of cold water. Record the starting temperature of the water. Run the microwave on 100% power for 18 seconds, using a watch or timer, not the timer on the unit. Take the water out and stir it to make sure that there are no hot or cold spots in the measuring cup. Record the new temperature. Example: 78.4-64.1= 14.3.
Multiply 14.3 X 38.75= 554.125. The power output is 554 watts IEC. If the recipe is set for a 1200 watt unit, and your is almost 600 watts, obviously, you would double the cook time. Since this is rough, you need to experiment a bit. If the cook time is 10 minutes, check your product at 8 minutes. Be sure to push the stop button before you open the door when it is in cook mode. This will save wear and tear on door switches and leave the remaining cook time on the timer. Let me know how this works out for you..

Oct 11, 2013 | Panasonic 1974 Microwave Oven Cookbook &...

1 Answer


Sounds like it's broken. Go for Panasonic next time, they make better microwaves. Here's one I was looking at

Jan 04, 2013 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

NN-SD297S The exhast fan still works but the oven

Due to the technology used in this model, there are no user serviceable parts inside. Call a Panasonic appliance engineer.

Mar 07, 2011 | Panasonic NNSD297SR 1200 Watts Microwave...

1 Answer

Panasonic 1200 watt microwave shuts down in 10-15 seconds

Check the door switches to make sure they are not faulty, otherwise it may be the inverter.

IS the microwave in a cavity? If so, you need to have at least 15cm (6in) space above the microwave, 10cm (4in) behind the microwave, and 5cm (2in) on either side, as the latest Inverter microwaves run very hot and need a lot of ventilation.

May 26, 2010 | Panasonic Microwave Ovens

2 Answers

1200 watt panasonic, power on but will not perform

Hello :

This happens because of a bad door switch . The plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door .

best regards .

please don't forget to rate !

Apr 04, 2010 | Panasonic NN-S262SF Microwave Oven

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