The microwave appears to be running correctly, turntable turns, cooking sounds, beeps at the end. but when you take the food from the micro it is as cold and uncooked as when you put it in the oven. is it a fuse and if so, where is the fuse box located on the microwave?
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Re: microwave does not cook
First, be sure the child lock is off. It may have an "L" or the word "LOCKED" showing in the display.
can unlock it by pressing and holding the CLEAR pad for 5 seconds or
so. Your model may use a different key, maybe the "0" (zero) key.
that doesn't fix it, since it's still under warranty you should grab
your sales receipt and your owner's manual and call LG / Goldstar
customer service at 1-800-243-0000 to find the nearest authorized
There may be some foreign substance on the circuit
board or inside the layers of the keypad. Most commonly this is due to
spray cleaner being sprayed directly onto the keypad.
Cleaner should be always sprayed on a soft cloth first, then use the cloth to wipe the keypad clean.
Always use alcohol-based cleaner on microwaves, never ammonia-based cleaner, which can crack and/or warp the plastic.
If this is what has happened, it would not be covered under warranty, and it may or may not be repairable.
A handy person can remove the control panel frame and see if there's any liquid inside on or behind the panel.
If so, it is possible to dry it out with an air compressor or heat, but often that does not work.
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Sounds like the MW Emitter is not working or the wave guide is disconnected. If it is the wave guide then you can fix it yourself if you take the rear cover off. It is the pipe, which in cross section is quite rectangle shaped with rounded corners. It should be connected to the emitter at one end and the opaque guide cover at the other with no breaks. If the emitter is faulty then seek professional help.
If it is not cooking and the turntable will not turn, this sounds like the secondary interlock switch is bad. Almost always this failure is caused by opening the door when it is in a cook cycle. Pushing the stop button before you open the door will prevent this in the future..
If your microwave oven won't come on, ensure that the power
cord is plugged into an outlet and that the power is on. Replace any
blown fuses, and reset a tripped circuit breaker. If the microwave won't
run, see that the door is completely closed and that nothing is stuck
in it. Ensure that your door is not broken. Replace if necessary. See
that you have not started the timer as opposed to the cooking function.
Press "Start/Enter" to start your microwave.
Your display will flash if your power goes out. You must
reset the clock. If you do not hear a tone at the end of cooking, ensure
that you have enabled the audible tone. Also check that you are using
the right command. If your power goes out while your food is cooking,
you must reset both the cooking time and clock.
If you see sparks while you are cooking, remove any metal
objects or plates with silver or gold trim. If your food is taking too
long to cook, ensure that you have selected the correct power level for
the food item. Remove any other appliance from the 20-amp circuit line.
Additional appliances on the same amp will draw too much power away from
the microwave. Also ensure that you have selected the correct food item
in the preprogrammed menu. Each microwave has its own error codes.
Always read your manual to determine what the error code means. Examples
of error codes include "E-11", "E-12" and "E-13." This means that you
have a defective sensor, and you must get your microwave serviced. The
"SE" error code indicates an issue with your control panel.
You may hear gear noises, especially a humming noise; the
fan will automatically come on while your food is cooking. If your
turntable plate makes noise, first clean it, and then see that it is
positioned correctly over the roller ring. If your nearby appliances are
experiencing electrical interference, move your microwave farther away
to correct this problem.
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.