LG LMV1813ST Owner's Manual - Page 29

TROUBLESHOOTING BEFORE CALLING FOR SERVICE Check the following list to be sure a service call is necessary. Reviewing additional information on items to check may prevent an unneeded service call. PROBLEM POSSIBLE CAUSES If nothing on the oven operates • check for a blown circuit fuse or a tripped main circuit breaker. • check if oven is properly connected to the electric circuit in house. • check that controls are set properly. If the oven interior light does not work • the light bulb is loose or defective. If oven will not cook • check that control panel was programmed correctly. • check that door is firmly closed. • check that Start/Enter Pad was touched. • check that timer wasn't started instead of a cook function. If oven takes longer than normal to cook • be sure the Power Level is programmed properly. or cooks too rapidly If the time of day clock does not always keep correct time • check 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 unevenly • be 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 undercooked • check recipe to be sure all directions (amount, time, and 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 overcooked • check recipe to be sure all directions (amount, power level, time, size of dish) were followed. If arcing (sparks) occur • be sure microwavable dishes were used. • be sure wire twist ties were not used. • be sure oven was not 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 cooking • check that door is firmly closed. • check that timer was not started instead of a cooking function. Vent fan starts automatically • If the temperature gets too hot around the microwave oven, the fan in the vent hood will automatically turn on at the LEVEL 4 setting to cool the oven. It may stay on up to an hour to cool the oven. 29