LG 2020 Owner's Manual page 59

Problem
Knobs melt Improper usage
Oven or racks are Aluminum foil has melted in the oven
stained after using
aluminum foil
Flame or power is Gas pressure may be weak
weak
Surface is not level 1. Range not leveled
Oven is tipping 2. Anti-tip device not installed correctly
Approximately
0.65"
(16.5 mm)
Oven shows error The gas pressure regulator valve is closed.
code (F9, F19) but
cooktop burners are
working.
Cause
Anti-tip bracket
Screw must
Level both sides of range
enter wood or
concrete
2
1
Lever's closed position
Wall plate
Use carpenter's level to
check level.
Lever's closed
LIMITED WARRANTY
Prevention
Do not leave door at stop
position during Broil/Bake
mode or right after cooking.
Never cover the oven bottom
or cover an entire rack with
materials such as aluminum
foil.
If the foil has already melted
onto the oven, it will not
affect the performance of the
oven.
Check with gas supplier first
Check with installer first
Check that the regulator
valve is in the open position.
If the regulator valve is
closed, rotate the lever to
open the valve.
Lever's open
position position
59