Question about Neff Microwave Ovens

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Ceramic coating problems in microwave

We have a Neff combination/microwave oven (HTHB86K) and have noticed that the black coating on the top of the oven is flaking away. It is falling like a fine black powder and flaking away from the metal surface. Is there any way that this can be repaired and have you any ideas as to why this is happening? The oven is only 5 years old? Thanks

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  • Contributor
  • 40 Answers

1. you did put metal plate in it or spoon in it once.
2. oily spot left without cleaning.
3. you can paint the scratched are after cleaning it. not recommended

Posted on Mar 24, 2014

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Posted on Jan 02, 2017

SOURCE: Neff HTHB86K Microwave oven.

The microwave unit is faulty as you can read from the display or the controller isn't working correctly, you should take your MW oven to an authorized service center. It can be repaired by yourself but it's highly dangerous because it has high voltage inside and microwave energy.

Posted on Feb 15, 2008

  • 1 Answer

SOURCE: neff microwave combination oven

no solution sorry but we also have a Neff mw/combi oven which keeps blowing for no apparent reason, the Neff repair man has looked at it 4 times and practically replaced every component -power module, operating module,relay board, door switches but it`s just gone again! The model is a H5972N0GB/01 and it is approx 3 yrs old, no problem for the first 2 years .Time to write to Neff -is yours the same model?

Posted on Jul 23, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: PEELING COATING IN MY SUNBEAM MICROWAVE OVEN

Yes, if the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

Otherwise, you can have rust and arcing.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Aug 12, 2008

IrishDruid
  • 2712 Answers

SOURCE: Paint off inside top of microwave exposing metal. Safe to use?

It would be dangerous to do so. Any exposed metal inside a microwave is source for sparks and is extremely hazardous. I would recommend getting the paint job done up, or even better, buy a newer model.

Posted on Nov 15, 2008

  • 17 Answers

SOURCE: replace light bulb on the Neff H7871 combined oven and microwave.

The bulb is positioned at the top of the oven, accessible only from the outside. You'll need to pull off the top and bottom trim strips, remove the bottom trim strip locators, remove 2 fixing screws from the left edge of the oven (with door open), and the 2 fixing screws from behind the top trim strip. The oven should then just slide out. You only need to pull it out 6 inches or so to gain access to the bulb cover. You'll need a T20 driver to remove the cover, then the bulb unscrews as it has an SES fitting. Bob

Posted on Dec 01, 2010

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The top of the oven (inside) has blistered and the rollers are marking the base. Also the oven is making a noise as the plate rotates.


If the oven is working with good heat all you need is to have the machine serviced. the ceramic coating of paint on the inside of the microwave must have corroded and so the blisters can happen. Due to this the smooth surface within is lost and so the roller make a higher noise.
Take the micro wave and clean and scrap off all blisters before a good coat of ceramic/nonmetalic paint is used.

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If the ceramic bush, that is a good insulator of electricity, is arcing. Maybe it needs cleaning.

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No this is something you can repair yourself. Take sandpaper and gently rub rust spots until smooth. Then you need to get ceramic touch-up paint and repaint rust spots.

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We have a neff hthb86k oven works all displays work when we use the microwave and press start runs for 2-5 seconds then stops any sugegstions ? thanks


I also have the same problem, the oven is just over 3 years ole with minimal use, sounds like a common problem, has anyone found an answer yet/

Jun 10, 2010 | Microwave Ovens

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Replace light bulb on the Neff H7871 combined oven and microwave.


The bulb is positioned at the top of the oven, accessible only from the outside. You'll need to pull off the top and bottom trim strips, remove the bottom trim strip locators, remove 2 fixing screws from the left edge of the oven (with door open), and the 2 fixing screws from behind the top trim strip. The oven should then just slide out. You only need to pull it out 6 inches or so to gain access to the bulb cover. You'll need a T20 driver to remove the cover, then the bulb unscrews as it has an SES fitting. Bob

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1 Answer

Neff microwave h7871 arcing


This antenna is called the stirrer here in the US. Its purpose is to stir the microwaves to ensure even cooking.

The cover is usually made of plastic, as opposed to ceramic, and it keeps grease and food particles off the stirrer to protect it from arcing, which can damage the surfaces and the magnetron.

The stirrer, stirrer cover and the area around it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available in appliance parts stores and hardware stores.

Also, the stirrer will arc if it is not turning when the oven is cooking. That may mean a bad stirrer motor.

If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron and stirrer.

You can download Neff manuals here.

Even if you don't find your exact model, they should all have contact info for Neff in case you need to call them to get spares / parts.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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neff built in microwave cannot open the door

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1 Answer

Neff HTHB86K Microwave oven.


The microwave unit is faulty as you can read from the display or the controller isn't working correctly, you should take your MW oven to an authorized service center. It can be repaired by yourself but it's highly dangerous because it has high voltage inside and microwave energy.

Feb 15, 2008 | Microwave Ovens

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