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Microwave message says to replace charcoal filter. User manual states charcoal filter is used if unit is not vented outside. Our unit is vented outside

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External vent systems have the charcoal filter removed, generally at the time of installation, as it is not needed for this application.
The charcoal filter removes odors from internal recycled airflow.
There should be an aluminum grease filter that you can remove to clean in a warm soapy solution, let dry, and reinstall.

Posted on May 27, 2008

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Frigidaire microwave oven


Hello - This may or may not be specifically for your model, however these are generics instructions that I found.

To replace the light bulb to the over the range microwave you will need to follow the steps below:

1. To replace light bulb, first disconnect power to the microwave oven at the circuit breaker panel or by unplugging.

2. Remove the vent grill mounting screws.

3. Pull the vent grill away from the unit.

4. Remove the charcoal filter by pushing it inwards, then turn and pull it away from the unit.

5. Open light cover located behind filter mounting by carefully pulling up on the front edge.

6. Remove old light bulb and replace only with equivalent 30 watt bulb available from part distributor. Bulbs are also available at most hardware stores or lighting centers.

7. Replacing the microwave oven light cover by carefully pushing into place. Replace the charcoal filter. Push the vent grill back into place (engaging both the bottom and top tabs) and replace the vent grill mounting screws.


Note: DO NOT USE BULB LARGER THAN 30 WATTS.

Oct 27, 2012 | Frigidaire FMV152K Microwave Oven

1 Answer

I have a JVM1850 that was installed 4 years ago. The unit was working fine, then a day ago I received an error display requesting a charcoal filet replacement. No filter is needed since it is vented...


I have a JVM1850 White microwave-over the oven-installed 3 years ago. Last evening the unit would not turn off. The inside light and fan continued to run, however, the microwave was not working.

All the controls and functions seem to operate, but when completed, the unit remained working, as stated above, with the door opened or closed.

Sep 18, 2011 | GE JVM1850 1000 Watts Microwave Oven

2 Answers

My husbands wants to know how to clean the air filters that are under the spacemaker icrowave oven and above the stove ?


If your unit is venting to the outside, you would be using one or two grease filters, which can be cleaned, usually with warm soapy water.

If your unit is set to recirculate, then you should be using a charcoal filter, which cannot be cleaned, and must be replaced.

Details and instructions are to be found in your owner's manual.

If for some reason you don't have yours, you can download GE owner's manuals and installation instructions here.

You can find helpful exploded view diagrams and order parts (including filters) 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.

Apr 27, 2011 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

We have a sharp 1480 and have to mount it with no outside vent. Can this be done? patqlt@verizon.net


Most of these over the range models come already set up for unvented operation. That is, set up for use with no outside vent. The oven will filter air through the a charcoal filter inside the upper grill and the vent covers underneath. If you ever wish to change the operation to allow the unit to vent outdoors, you need to change the direction of the blower fan assemby inside the top of the microwave oven. These instructions should be listed in the installation manual that comes with your oven.

Aug 16, 2010 | Sharp R-1480 Microwave Oven

1 Answer

I have a samsung microwave. It has absolutly no vent sucktion. Everthing seems to be functioning as far as the vent turning on and the exhuast flaps ect.


If you are recirculating the air, you should be using a charcoal filter. Those cannot be cleaned, they must be replaced when clogged or damaged.

If you are venting to the outside, check your grease filters and clean them as necessary.

Also check to be sure the outside vent is not blocked or damaged. Sometimes mice or birds will build nests in them and block them.

If any work has been done that could have damaged your duct work, that could interfere with air flow.

You can find links to helpful exploded view diagrams and part ordering help (including filters) here.

I'd recommend that your bookmark this link to your favorites.


You can download many Samsung over the range microwave installation instructions and owner's manuals here.

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

Jan 16, 2010 | Samsung Microwave Ovens

1 Answer

We have an LG LMV1640DB1 over the range microwave. When we boil anything on the stove with the fan set on HIGH, the steam just goes up the kitchen cabinets and the microwave is completely wet. Is this an...


Maybe, but your filter may be clogged, or your outside vent outlet may have a bird's nest or mouse nest in it.

If you're venting to the outside, you would be using a grease filter. They should be washed in hot soapy water every six months or when they get dirty.

If you're not venting to the outside, then you should be using a disposable charcoal filter. That cannot be washed, it must be replaced every six months or whenever it gets too dirty.

Refer to your installation manual and/or owner's manual.

If for some reason you don't still have yours, you should be able to download your LG / Goldstar manual here.

If not, you can download a similar one there or contact them via that page to order one.


You can find parts links here.

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

Dec 04, 2009 | LG Microwave Ovens

1 Answer

Where is the charcoal filter?


There is no charcoal filter unless you replaced the standard filter with a carcoal filter. Also, it may have m=been changed to a charcoal filter if the unit was alterd during installation as a re-circulating vent, not vented to the outside via the roof or wall.

The filter (Charcoal or not) is on the bottom of the unit. Put your head under the microwave and look up, there it is.

Apr 01, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Ventillation of microwave


You mean NNS254? You can download your owner's manual here.

On page 4, it says, "If this appliance is to be vented inside the kitchen, be sure the charcoal filter kit is installed in the unit before you operate."

Also, on page 28, "The Charcoal Filter cannot be cleaned and should be replaced periodically every 6 to 12 months, or more often if necessary."

So the answer is "yes".

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

Aug 01, 2008 | Panasonic NN-S254BF Microwave Oven

1 Answer

How to clean the air filter of my goldstar microwave model # MV1526B/01


That sounds like the charcoal filter. It cannot be cleaned, and must be replaced. From the owner's manual:

CHARCOAL FILTER REPLACEMENT

If your oven is vented inside, the charcoal filter should
be replaced every 6 to 12 months, and more often if
necessary. The charcoal filter cannot be cleaned.

To order a new charcoal filter, contact the Service
Center.

1. Remove the two vent grille mounting screws.
(2 middle screws)

2. Tip the grille forward, then lift it out

To get a new filter, you can try local appliance parts stores or see customer service or find servicers here: http://us.lgservice.com

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Apr 13, 2008 | Goldstar MV-1526 Microwave Oven

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