Question about GE Advantium SCA1000H Convection / Microwave Oven

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GE microwave interior light bulb replacement.

I have a GE model SCA1000HBB. The interior light is not working. Is there something that shows where the bulb is and how to get to it?

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Re: GE microwave interior light bulb replacement.

Manufacturers used to include access panels in the rear or side so you could easily change the bulb. That exposed the customer to 110V connectors, and that posed a real liability threat, so they stopped using them.

You now must generally remove the outer cover to replace the bulb.

In many over-the-range models, that can mean having to take the oven down from the wall! For safety's sake, that should be a two-person job and it's really helpful if you have your original installation instructions to do this.

Many models use one halogen lamp to illuminate the cooktop and another to illuminate the cavity. You must not touch them with your bare skin as the oils will shorten the bulb life.

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

Posted on Nov 19, 2007

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From the ever-handy owner's manual:

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GE microwave interior light bulb replacement.

Your post has two distinct model numbers shown, so it's hard to be precise, but I'll try my best.

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

I have a diagram at my site which helps you find & replace many GE cooktop and cavity light bulbs. Other models are similar. It's at

Always unplug a microwave before removing or installing any bulbs!

If it's an over the range type, remove the vent grille across the top and see if bulbs can be accessed there.

There may be a panel on the bottom covering the light(s), too.

If not, chances are you'll have to remove it from the wall, then remove the outer cover.

Many models use halogen lamps. You must not touch the new one with your bare skin, as the oils will shorten the bulb life.

If yours is an Advantium type, the following instructable should help:

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GE microwave interior light bulb replacement.

It's pretty simple as long as you have an offset phillips screwdriver...

Of course, be sure to disconnect power to microwave and be sure not to touch the new halogen bulb with fingers.

First, remove upper vent panel and remove inner filter (same directions for just replacing inner carbon filter):
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Then, remove inner plastic grille (2 screws) and final screw on left side of metal "air duct" - here's where you'll need the offset screw driver (and a little patience!):
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Then, you can gently lift the sheet metal panel, find the light housing, squeeze and remove/replace :)
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That's it...just replace bulb and reverse for reassembly. Be sure to keep track of screw locations there are various sizes/lengths used.


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