LG Microwave Troubleshooting
LG Microwave Troubleshooting

LG Microwave Troubleshooting

LG Microwave Troubleshooting Was the microwave oven broken? The cause of the malfunction may be a minor malfunction, which can be eliminated without the use of special equipment. The following tables indicate possible causes of breakdowns.

LG microwave troubleshooting Solutions


Oven does not start• Is the power cord plugged in?
• Is the door closed?
• Is the cooking time set?
Arcing or Sparking• Are you using approved cookware?
• Is the oven empty?
Incorrect time of day• Have you tried to reset the time of day?
Unevenly Cooked Foods• Are you using approved cookware?
• Is the glass turntable in the oven?
• Did you turn or stir the food while it was cooking?
• Were the foods completely defrosted?
• Was the time/cooking power level correct?
Overcooked Foods• Was the time/cooking power level correct?
Undercooked Foods• Are you using approved cookware?
• Were the foods completely defrosted?
• Was the time/cooking power level correct?
• Are the ventilation ports clear?
Improper Defrosting• Are you using approved cookware?
• Was the time/cooking power level correct?
• Did you turn or stir the food during the defrosting cycle?

LG LCS2045WKB microwave troubleshooting

Why is the oven light not on during cooking?There may be several reasons why the oven light is not on. Have you:
• Set a cooking time?
• Touched START?
• Checked the light bulb?
Why does steam come out of the air exhaust vent?Steam is normally produced during cooking. The microwave oven has been designed to vent this steam.
Will the microwave oven be damaged if it operates empty?Yes. Never operate the oven empty or without the glass turntable.
Does microwave energy pass through the viewing screen in the door?No. The metal screen bounces the energy back to the oven cavity. The holes (or ports) allow only light to pass through. They do not let microwave energy pass through.
Why does a tone sound when a pad on the control panel is touched?The tone tells you that the setting has been entered.
Can my microwave oven be damaged if food is cooked for too long?Like any other cooking appliance, it is possible to overcook food to the point that the food creates smoke and even possibly fire, and damage to the inside of the oven. It is always best to be near the oven while you are cooking.
When the oven is plugged into wall outlet for the first time, it might not work properly. What is wrong?The microcomputer controlling your oven may temporarily become scrambled and fail to function as programmed when you plug in for the first time or when power resumes after a power interruption. Unplug the oven from the 120 volt household outlet and then plug it back in to reset the microcomputer.
Why do 1 see light reflection around the outer case?This light is from the oven light which is located between the oven cavity and the outer wall of the oven.
What are the various sounds 1 hear when the microwave oven is operating?The clicking sound is caused by a mechanical switch turning the microwave oven’s magnetron ON and OFF.
The heavy hum and clunk is from the change in power the magnetron draws as it is turned ON and OFF by a mechanical switch.The change in blower speed is from the change in line voltage caused by the magnetron being turned ON and OFF.
What is wrong when baked foods have a hard, dry, brown spot?A hard, dry, brown spot indicates overcooking. Shorten the cooking or reheating time.
Why do eggs sometimes pop?When baking, frying, or poaching eggs, the yolk may pop due to steam build-up inside the yolk membrane. To prevent this, simply pierce the yolk with a wooden toothpick before cooking. CAUTION: Never microwave eggs in the shell.
Why are scrambled eggs sometimes a little dry after cooking?Eggs will dry out when they are overcooked, even if the same recipe is used each time. The cooking time may need to be varied for one of these reasons:
• Eggs vary in size.
• Eggs are at room temperature one time and at refrigerator temperature another time.
• Eggs continue cooking during standing time.
Is it possible to pop popcorn in a microwave oven?Yes, if using one of the two methods described below:
(1) microwave-popping devices designed specifically for microwave cooking
(2) prepackaged commercial microwave popcorn that is made for specific times and power output needed
Follow exact directions given by each manufacturer for its popcorn popping product and do not leave the oven unattended while the corn is being popped. If corn fails to pop after the suggested time, discontinue cooking. Overcooking could result in an oven fire.
• Never use a brown paper bag for popping corn or attempt to pop leftover kernels.
• Do not pop prepackaged commercial microwave popcorn directly on the glass turntable. To avoid excessive heating of the glass turntable, place the popcorn bag on a plate.
• Listen while corn pops. Stop oven when popping slows to 2-3 seconds between pops.
• Do not leave microwave unattended while popping corn.
• Follow directions on bag.
Why do baked apples sometimes burst during cooking?The peel has not been removed from the top half of each apple to allow for expansion of the interior of the apple during cooking. As in conventional cooking methods, the interior of the apple expands during the cooking process.
Why do baked potatoes sometimes burn during cooking?If the cooking time is too long, fire could result. At the end of the recommended cooking time, potatoes should be slightly firm. CAUTION: Do not overcook.
Why is a standing time recommended after microwave cooking time is over?Standing time allows foods to continue cooking evenly for a few minutes after the actual microwave oven cooking cycle. The amount of standing time depends upon the density of the foods.
Why is additional time required for cooking food stored in the refrigerator?As in conventional cooking, the initial temperature of food affects total cooking time. You need more time to cook food taken out of a refrigerator than for food at room temperature.

LG LMV1683ST, LMV1813ST microwave troubleshooting

If nothing on the oven operatescheck for a blown circuit fuse or a tripped main circuit breaker
check if oven is properly connected to electric circuit in house
check that controls are set properly
If the oven interior light does not worksthe light bulb is loose or defective
If oven will not cookcheck that control panel was programmed correctly
check that door is firmly closed
check that Start Pad was pressed
check that probe was inserted correctly into receptacle
check that timer wasn’t started instead of a cook function
If oven takes longer than normal to cook or cooks too rapidlybe sure the Power Level is programmed properly
If the time of day clock does not always keep correct timecheck that the power cord is fully inserted into the outlet receptacle
be sure the oven is the only appliance on the electrical circuit
If food cooks unevenlybe sure food is evenly shaped
be sure food is completely defrosted before cooking
check placement of aluminum foil strips used to prevent overcooking
If food is undercookedcheck recipe to be sure all directions (amount, time, & power levels) were correctly followed
be sure microwave oven is on a separate circuit
be sure food is completely defrosted before cooking
If food is overcookedcheck recipe to be sure all directions (amount, power level, time, size of dish) were followed
If arcing (sparks) occurbe sure microwavable dishes were used
be sure wire twist ties weren’t used
be sure oven wasn’t operated when empty
make sure metal rack (if used) is properly installed on 4 supports
If the Display shows a time counting down but the oven is not cookingcheck that door is firmly closed
check that timer wasn’t started instead of a cooking function

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