LG DLEX7800 E Series Owner's Manual page 30

30 INSTALLATION
Restricted or Blocked Airflow
Avoid long runs or runs with multiple elbows or bends.
Excess or crushed
transition duct
Check for blockages and lint buildup.
Make sure the ductwork is not crushed or restricted.
Too many elbows or
exhaust too long
Lint
buildup or
blockage
Crushed
or
damaged
exhaust