LG LMVM2055SB - Manual (Page 30)

30
TROUBLESHOOTING
PROBLEM
If nothing on the oven operates
If the oven interior light does not work
If oven will not cook
If oven takes longer than normal to cook
or cooks too rapidly
If the time of day clock does not always
keep correct time
If food cooks unevenly
If food is undercooked
If food is overcooked
If arcing (sparks) occur
If the display shows a time counting
down but the oven is not cooking
Vent fan starts automatically
POSSIBLE CAUSES
• 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.
• the light bulb is loose or defective.
• 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.
• be sure the Power Level is programmed properly.
• check that the power cord is fully inserted into the outlet receptacle.
• be sure the oven is the only appliance on the electrical circuit.
• be sure food is evenly shaped.
• be sure food is completely defrosted before cooking.
• check placement of aluminum foil strips used to prevent overcooking.
• 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.
• check recipe to be sure all directions (amount, power level, time, size of
dish) were followed.
• 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.
• check that door is firmly closed.
• check that timer was not started instead of a cooking function.
• 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.
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.