Question about Neff H7871N2GB Convection / Microwave Oven

2 Answers

Power Problems on NEFF H7871 Combi Microwave

My Neff H7871 Combi Microwave fused last week. We put a new fuse in the wall socket and the dsplay panel flashed 0:0 for a few secons then just faded away. We tries this 3 more times using the same new fuse and each time the display reamined for a few seconds then faded away. There does not appear to be any power getting to the unit once the display fades.

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  • Anonymous Mar 29, 2014

    ceramic ring broken

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2 Answers

I currently have the same problem and Neff can't fix it. Problem is a short on one of the boards. Currently the required replacement boards are not available.

Posted on Jun 13, 2007

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  • Neff Master
  • 9,098 Answers

It would seem there is a bad connection in the fuse holder or in the wall socket or in the microwave itself. Maybe you can narrow it down to the microwave by trying other devices in the wall socket. If it's the microwave, it's time to call for serivce.

Posted on Dec 14, 2006

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4 Suggested Answers

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Falling Down
  • 67 Answers

SOURCE: Neff combi blown diode.

If the diode failed by opening, there may be no other damage. If the dioded failed by shorting, the alternating current may have damaged other components. Ohm it out. You can get diodes from digikey.com, mouser.com, or radio shack or any electronics or appliance supply. If the diode is charred and you can't get the part number, the oven rating can be used to select a replacement. Since the fuse was 10 amps, the diode should also handle at least 10 amps. If you can power the unit and read the voltage at the diode input this will give you the power (volts times amps). It's always worth trying as it's cheaper than replacing the unit.

Posted on Nov 30, 2007

  • 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

  • 3 Answers

SOURCE: Neff H7871 inner glass broken

Hi, I am having a same problem I have managed to order theglass from:-

http://www.4neff.co.uk/cgi-bin/product.pl?PID=876912&query=Neff%20H7871N1GB%2f01&model=H7871N1GB&path=127858

1. Open the door.

2. Take out the 2 screws just behind the handle, on the inside of the door, thedoor should flop down at the handle end.

3. Hold the door handle and pull the door out. It is only housed in by a slipin hooks at the bottom end.

4. Once you remove the door you will see the inner metal mesh and the inner doorbehind it.

5. Remove the 16 screws holding the inner glass with a special star type screwdriver bit no T30.

6. Once you done that the glass housing holding the inner glass can becarefully prised free and taken off the inner door assembly.

7. Once you done that remove and inner glass, and be careful to leave the glassseal intact, clean around the frame housing and the seal then replace the newinner glass and reverse the process.

PS. Be careful of the inner door once you've removed the outer door, asthe hinges holding the inner door tend to shut quickly as there is less weighton the hinges.

It will do the job if you follow these instructions. AL (srahbah@hotmail.com)

Posted on Nov 04, 2011

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1 Answer

Hi getting an error 4 on a Neff oven/microwave. any ideas out there


make this and fix it. God bless you

A power surge or random non-reproducible action of the universe may have resulted in the controller's program ending up in an infinite loop. Pull the plug for a minute or two to reset it.

Nov 02, 2013 | Neff H7871 Convection/Microwave Oven

2 Answers

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

Mar 17, 2010 | Neff H7871 Convection/Microwave Oven

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.

Dec 13, 2008 | Neff H7871 Convection/Microwave Oven

3 Answers

Neff H7871 inner glass broken


Hi, I am having a same problem I have managed to order theglass from:-

http://www.4neff.co.uk/cgi-bin/product.pl?PID=876912&query=Neff%20H7871N1GB%2f01&model=H7871N1GB&path=127858

1. Open the door.

2. Take out the 2 screws just behind the handle, on the inside of the door, thedoor should flop down at the handle end.

3. Hold the door handle and pull the door out. It is only housed in by a slipin hooks at the bottom end.

4. Once you remove the door you will see the inner metal mesh and the inner doorbehind it.

5. Remove the 16 screws holding the inner glass with a special star type screwdriver bit no T30.

6. Once you done that the glass housing holding the inner glass can becarefully prised free and taken off the inner door assembly.

7. Once you done that remove and inner glass, and be careful to leave the glassseal intact, clean around the frame housing and the seal then replace the newinner glass and reverse the process.

PS. Be careful of the inner door once you've removed the outer door, asthe hinges holding the inner door tend to shut quickly as there is less weighton the hinges.

It will do the job if you follow these instructions. AL (srahbah@hotmail.com)

Dec 05, 2008 | Neff H7871 Convection/Microwave Oven

1 Answer

Neff combination microwave oven


We have had NEFF repair man out again and he replaced the door switchs and this time it is OK.He did say if it was a problem again it will be classed as unrepairable because he thinks it is shorting out on an internal rivet on the bodywork which is inaccesable. fingers crossed it was the door switchs and it dosent blow the main fuse again .thanks for your responce. Simon.

Jul 23, 2008 | Microwave Ovens

1 Answer

Neff h7871


If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html


We\'re happy to help and we appreciate your thoughtful rating of our answer.

Jul 06, 2008 | Neff H7871 Convection/Microwave Oven

1 Answer

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?

Apr 23, 2008 | Microwave Ovens

1 Answer

NEFF 7871 electrical problems


neff built in microwave cannot open the door

Mar 02, 2008 | Neff H7871 Convection/Microwave Oven

2 Answers

Noisy Fan in Neff Combi Microwave/Oven. B6774.0gb


yes you can fix it yourself it is a cooling fan in the top it is round metal fan quite small venting waste fumes from cavity when grilling etc need to remove top panel and 3 screws to remove it is a push in fit.

Jan 15, 2008 | Neff B7740N0GB Microwave Oven

1 Answer

Neff Microwave


check control circuit and full wiring and connectors.

Dec 01, 2007 | Neff H7871N2GB Convection / Microwave Oven

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