I have a Neff combination microwave B 6784NOGB oven and require fitting instructions

Hello, Sylvia -

Since your Neff oven is new, I hope I am correct in thinking you have the owner's instruction manual for the oven and you already checked there to see if there were any troubleshooting tips regarding the fan still running after turning the over off over an hour prior.

If you do not have the instructions for the new oven, check here:
http://www.neff-home.com/uk/service/manual
Note: You will need to supply the E-Nr number for the oven. If you do not know where to find the E-Nr number, on the web page cited above, click or tap on the link for the rating plate finder.

After checking the owner's instructions for the oven, the next thing I would suggest is contacting Neff Specialist. See the information here:
http://www.neff-home.com/uk/service/support
Talk to a Neff Specialist.

You new Neff oven is most likely still under warranty.

Best wishes.

if this is gas it calls the induced draft motor to come on for 15 to 20 seconds to clear any residual gas before beginning the ignition process begins. Very normal and a safety feature.

go to www.retrevo.com + www.fitness.manualsonline.com and
download fo free.
God bless you

Your magnetron is overheating, and its attached thermostat is doing its job to protect the magnetron by shutting off the power to the oven until it cools back down to a safe temperature.

An overheating magnetron can be due to:

• operating oven without cover(s) in place
• wrong magnetron installed in oven
• an old or otherwise failing magnetron
• cracked magnetron magnet
• improper power line voltage (should be 110-125VAC)
• foods low in moisture (popcorn & bacon, e.g. - add 1/2 cup of water in rear oven when cooking such foods)
• failed or inoperable cooling fan or hood vent exhaust fan
• deteriorating foam weatherstripping seals in air ducts or on outside cover
• blocked air vents (dust, animal nest debris, insufficient free air space behind & around oven, etc.)
• clogged or greasy charcoal filter or grease filter
• blocked duct in hood vent exhaust

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, and it is very helpful when troubleshooting, testing, and locating components.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Accessing some parts may require you to pull the oven from the wall and remove the cover.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

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

Found this post on another fixya-type site: below is the link..
Here's a repeat of Kai's instructions so you don't have to scroll down. I just replaced mine and it was a snap. Just a few Phillips screws and a few tugs. No need to pull the unit completely out as you can access the bulb after it's about half way. No need to disconnect any wiring harness except pulling the bulb out of its socket. I used the 10w (G4 12V) replacement bulb from Home Depot at $6. The light is a bit brighter but there've been no problems with fuses.

1) Turn off power to the unit
2) Open the lower oven door
3) Remove the side trim screws and pull the trims down and out.
4) Remove 2 screws on the sides of the control panel.
5) Open the Microwave door. Remove the 3 screws on the Air Vent Plastic Cover on top of the microwave. You can then remove the Air Vent Cover by pushing the control panel up and pull out slightly at the bottom.
6) Remove the 4 screws on the Air Vent Plastic Cover on top of the lower oven and remove the Air Vent Cover. (You may have to remove the left under side bracket of the Microwave door temporarily just for the Air Vent Cover to clear the screw of the bracket. Re-secure the side bracket of the Microwave door panel as the front panel may fall)
7) Remove the 2 screws which held the Microwave unit in place behind the Air Vent Cover on step 6.
8) Wiggle the Microwave unit out about half way to expose the light bulb unit on top center
9) Wiring to the Control Panel will prevent you from pulling the Microwave unit out any further. And you don't want to do that as the unit may fall. Space is cramped, but working carefully with pliers you should be able to release the springs which held down the light bulb unit and change the bulb.
http://www.fixed4free.com/answers.php?id=51232

Go to Neff website and download it from there for free.You might have to hunt about for it but they are all there.

Provided there is a space between the top of the oven and the hob, it should present no problem.
You will of course need a seperate plug outlet for hob

This is normal. The microwave can be set to recirculate, which is what you have now. If the unit was uninstalled you would see in the top near the back a cover that can be removed to blow up thru a duct. You probally have no duct above so it was just set up to recirculate. This isn't a problem only if you use it for venting your stove, this will recirculate smoke and such but not unsafe. If you enter your model # at www.appliancehelponline.com you can bring up diagrams and illustrations which will show you the options.

Go to this site here.

http://www.neff.co.uk/ovens.html

You need to register the oven under My Apliance to get the manual

Good Luck

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A copy of the installation instructions for your units should contain how far it should be.Try to study it. You'll likely find that the over the range units will fit the standard 30" cabinet and also provide the required clearance to the range top. Consider the following:- power source (dedicated circuit, with an outlet box in the cabinet above). Venting (outside ot inside), and attaching method. Though they're simple in concept to install, it's a bit awkward in reality. The main thing you need to determine is sufficient space between the MW and the stove. You will have to check, but I believe you need 18" beneath the microwave. Many companies have brackets for that purpose.