Question about LG LTRM1240 Microwave Oven

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Microwave toaster combo

My toaster stopped working, the error message I get when I try to use it is F-1.

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William Miller
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F1 usually means a shorted keypad or a problem with the control circuit board. A bad keypad may be worn out due to age, damaged, or it may have gotten wet or otherwise contaminated. Moisture and contamination can be caused by not using the fan when boiling on the stove top (for over the range models), direct spraying of cleaners, by storing the microwave in an unheated garage or shed, or infestation. I warn my customers to never spray cleaner directly onto the microwave keypad, since the liquid can get inside and "lock up" or even ruin the keypad or controller. Apply an alcohol-based cleaner (such as the purple kind) to a cloth (since paper towels can scratch) and gently wipe it off. I suggest to my customers that they NEVER use any ammonia-based cleaner (like the blue stuff) on a microwave, since the ammonia will crack and distort polycarbonate plastics. You may have to contact LG support to see what that error code is and to find a local servicer: http://us.lge.com/support/support.jsp

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Posted on May 17, 2007

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