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My panasonic inverter microwave shut down after pressing…

Customer Question
My panasonic inverter microwave...

My panasonic inverter microwave shut down after pressing start

Technician's Assistant: What's the make/model of your device? How old is it?

Panasonic its 2yrs old

Technician's Assistant: How long has this been going on? What troubleshooting have you tried?

2weeks now i tried changing the fuse

Submitted: 8 months ago.Category: Consumer Electronics
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Answered in 4 minutes by:
7/31/2017
Electronics Technician: Pete, Electronic Engineer replied 8 months ago
Pete
Pete, Electronic Engineer
Category: Consumer Electronics
Satisfied Customers: 19,730
Experience: Over 16 years of experience installing and repairing electronics.
Verified

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

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Customer reply replied 8 months ago
hello
Customer reply replied 8 months ago
ok
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

What is the model number of your Panasonic inverter microwave?

What is showing on the display when this happens?

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Customer reply replied 8 months ago
ok i will be waiting here
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

You can ignore any automated offers that may pop up - they are sent automatically by the site.

To assist you with this, we will need to know:

What is the model number of your Panasonic inverter microwave?

What is showing on the display when this happens?

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Customer reply replied 8 months ago
its model is NN-ST757W
and no error display only when i set it to timing and press the start button it would go off
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

Ok, so there is likely a problem with the magnetron that generates the microwaves, and it is shutting the system down when it tries to start up.

The magnetron will need to be replaced at a service center.

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Customer reply replied 8 months ago
ok you sure that its the magnetron that has the issue?
Customer reply replied 8 months ago
i changed the fuse last night and i try pressing start again it blow up the fuse
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

Yes, a faulty magnetron will draw excessive current, causing the fuse to blow.

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Customer reply replied 8 months ago
Ok so when i change the magnetron it would be Ok
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

There may be other faults as well, however the service center should check for those when replacing the magnetron.

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Customer reply replied 8 months ago
cant i fix it on my own?
Electronics Technician: Pete, Electronic Engineer replied 8 months ago

No, this part is not user serviceable. It requires a qualified inverter technician and specialist tools and training.

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Pete
Pete, Electronic Engineer
Category: Consumer Electronics
Satisfied Customers: 19,730
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Experience: Over 16 years of experience installing and repairing electronics.

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