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Re: Matag Microwave MMV5100AAB
There is a short either in the keypad or the power board. Unfortunately parts for this one are not available anymore. If you could get the parts it would cost you well over $100 and would be a better idea to replace the microwave. If this only happens when you add time then I would just use the microwave without using that option. Would appreciate a solved rating for expert advice.
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The magnetron is shorted, the keypad control board is bad, blowing fuses. If less than 7 years old it has a inverter board that can be trouble, But with the level of work and parts it will easily exceed the cost of a new microwave oven.
There is often a fuse and a magnetron thermal fuse or thermostat.
should be a "mini-manual" (tech sheet) hidden inside the unit
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating
our Web site, we have a video
available showing how to remove a typical
over the range control panel assembly in under 5 minutes. You can find links to helpful exploded view diagrams and order parts here.
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
What you are to do to solve the problem is to do a general troubleshooting on your oven below are instruction to follow.
The Microwave is a counter top model with a variety of preset
cooking options, including timed cooking at a variety of power levels and
sensor-cooking settings for popcorn, rice, beverages and single-serving
The sensor cooking and reheating features detect increasing
humidity levels inside the microwave and automatically adjust cooking
time for various types and amounts of food. This microwave
also includes a turntable and an electronic control panel.
Instructions below are step by step solution for your oven
to see if the microwave will start. If it will not start and the
display panel is blank, you may have a power problem. Unplug the
microwave and then plug it back in, making sure that all three prongs
of the power cord are fully inserted into the wall outlet. If this
doesn't work, check your home's fuse box. Reset the circuit breaker to
restore if necessary.
that the microwave door is fully closed. Press the Clear/Off button to
cancel any previous cooking instructions. Re-enter your cooking
program, including cooking time and food weight if necessary, and press
"Err" appears on the microwave display, press the Clear/Off button and
reenter your cooking program. The "Err" message will appear during the
sensor-controlled programs (Popcorn, Rice, Beverage or Reheat) if the
door is opened before steam is detected or if no steam was detected
within the maximum amount of time allowed by the microwave. Be sure to
leave the door closed during these programs, at least until time is
shown counting down on the display panel.
your control panel will not work or if an "L" is displayed on the
screen, press and hold the Clear/Off button for a full three seconds to
unlock the control panel.
your sensor reheat program is resulting in under- or overcooked food,
first try decreasing the amount of food in the microwave; the sensor
programs are designed for single servings of food. The sensor reheat
function works by measuring humidity inside the microwave--do not use a
tightly-covered dish with this setting because no moisture will be able
to escape and the food will overcook. Be sure that cooking containers
are dry; moist containers will increase the humidity in the microwave
and mislead the sensor, resulting in undercooked food.
your turntable is not rotating, first check to ensure that your food
container is positioned so that it can freely rotate without hitting
the microwave's interior walls; using a smaller food container can fix
this problem. If the turntable still will not rotate, lift the
turntable from its support and replace it carefully, ensuring that it
rests evenly on its support.
The GE JKP62G Microwave / Oven combination has an internal fuse behind the control panel for the microwave. The oven will operate but the microwave will be totally dead (no light, no clock). Turn off the breaker for the oven at the fuse box (30 Amp double breaker). In order to replace the fuse you will have to open the door to the microwave, remove the two screws (Torx) from the front control panel (located on the left edge of the control panel), wiggle the panel to the left (there are two metal tabs that stick into the metal frame of the microwave on the right of the panel) and then tilt the panel down from the top. There is a metal bracket that holds the control panel to the microwave at the bottom (don't remove it). Look towards the top of the microwave inside the area behind the control panel and you will see a 15 Amp screw in fuse. Replace the fuse and that should fix your problem.
first you gotta detach the button plate ( the thing with all the buttons) using a flathead screwdriver .Keep pushing it is stuburn. It will pop back in when you are done. the fuse is behind that. just take it out and put the new one in.