Question about Frigidaire FMT144G1 Microwave Oven

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Digital display lighting

Lighting on the digital display is too dim.

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The solution depends first on the type of display your microwave has. Please refer to the picture. The left side shows a partially defective LCD type display. If you have this type of display, we regularly repair them for $32.50 nationwide. The right side is a VFD type display which is weak due to age. On some brands and models, we are able to get a replacement display tube and repair it to a like-new brightness. Feel free to e-mail me at _ if you have other questions.

Posted on Sep 17, 2006

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Posted on Jan 02, 2017

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Sometimes you can clean it inside to brighten it up.

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.

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I always recommend that you spray non-ammonia cleaner on a soft cloth (not a paper towel which can scratch) and gently wipe the keypad.

40716d4.jpg

Some connectors have a lock.

positivelock.jpgIf that cleaning didn't help, then you have a weak VFD.


On a Whirlpool microwave, the VFD tube is almost never available separately, so if it's bad, you would have to replace the entire circuit board.

You can find links to helpful exploded view diagrams and order parts here.

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