RRepairGraph
LG · Dishwasher · OE

Water-supply checks

The dishwasher has a drainage problem.

Diagnostic nodeOEWATER-SUPPLY
!
Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: LG dishwashers that display OE; follow model-specific installation instructions.

GUIDANCE

Water-supply checks for error OE

Water-supply checks can help narrow the context of LG OE, but this page does not claim that the named system is the failed component. Begin with the manufacturer meaning — The dishwasher has a drainage problem. — then complete only accessible checks: Turn off power to the dishwasher.; Inspect the visible drain hose for kinks or compression.; If connected to a new disposal or spigot, verify installation against its instructions and confirm the knockout was removed..

Safe sequence

  1. 1Turn off power to the dishwasher.
  2. 2Inspect the visible drain hose for kinks or compression.
  3. 3If connected to a new disposal or spigot, verify installation against its instructions and confirm the knockout was removed.

Stop and get qualified help when

  • Water is leaking
  • The dishwasher must be pulled out to continue
  • The code remains after accessible installation checks
Primary sourceLG USA Support — dishwasher OE ↗Verified 2026-07-17 · manufacturer