: Always switch off and unplug your appliance from the mains before starting any work.
Attempting to repair the board yourself voids any remaining warranty (if applicable) and can be dangerous. Residual high voltage can remain on large capacitors even after unplugging the machine. If you are not an experienced electronics technician, purchasing a replacement LG 3850EA3100W is the safer, more reliable option. lg 3850ea3100w