Question about Neff H5470N0GB Microwave Oven

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Locating the mangatron fuse for a Neff H5470N0GB

Thanks to guru localwonder, I'm suspicious my mangatron fuse may be gone, but can't locate it having taken the main cover off and taken the control panel out. Do you know where it is?

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  • barrababa Sep 25, 2009

    Hi Bullgodchief.. Thanks again for your very helpful reply, will try all of the above. To answer your question, yes, the micowave looks like it's working, i.e. fan, light, timer etc. but it's not heating anything. However, after I try to operate is for say a minute or so, the inside of the oven is warm after opening the door.

  • barrababa Sep 28, 2009

    Hi Bullgodchief.. Thanks again for your very helpful reply, will try all of the above. To answer your question, yes, the micowave looks like it's working, i.e. fan, light, timer etc. but it's not heating anything. However, after I try to operate is for say a minute or so, the inside of the oven is warm after opening the door.

  • barrababa Sep 28, 2009

    Hi Bullgodchief.. Thanks again for your very helpful reply, will try all of the above. To answer your question, yes, the micowave looks like it's working, i.e. fan, light, timer etc. but it's not heating anything. However, after I try to operate is for say a minute or so, the inside of the oven is warm after opening the door.

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  • Master
  • 388 Answers

I have never heard of a "magnetron fuse". Fuses are easy to locate on microwaves, though. The easiest way is to follow the power cord from where it enters the oven's frame to where it terminates on the board. There is a fuse in the immediate vicinity of the termination. You can check the fuse with an ohmmeter...it should read zero ohms, anything else means the fuse is blown.

If your oven is blowing fuses that means there is something else wrong with it, most likely the magnetron. You can't miss the magnetron, it is mounted on the side of the cooking cavity, you can identify it by its heat fins. If you want you can trace the wires from the magnetron back to the board, there usually is no fuse in that line but a capacitor is always in that line. Check the capacitor as well, if reads zero ohms it is bad and it is what needs to be replaced.

I am curious as to what is going on with your oven. Do the lights and fans come on but it doesn't heat or is it completely dead, no lights, no display, nothing?

Either way, I am including a link for you to a site that has all the parts and accessories you need for your model microwave. I hope this helps, here is the link: http://www.espares.co.uk/parts/microwaves/neff/h5470n0gb%2f02/p/1095/1126/0/553422

Posted on Sep 24, 2009

Testimonial: "Thanks Bulldogchief.....very helpful indeed"

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  • Neff Master
  • 848 Answers

Locating the mangatron fuse for a Neff H5470N0GB? This trouble maybe power supply or inverter boards is defective.
first you can test the voltage of the multr,and then check which part is defective.From Wisiny.com can find those parts
if you have any question,please let us know email:service@wisiny.com.thanks,we sincerely hope we can help you!
you can also check this boards whether suit you:
490421200100R QLIF 041 HP 790421200A00R Power Supply Backlight Inverter

Posted on Dec 11, 2014

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Posted on Jan 02, 2017

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