E18
Sharp Drain Time Too Long / Partial Blockage

Dishwasher displays E18 and may stop during drain; water remains in the tub.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Partially blocked drain hose, Obstruction in sink trap, Weak drain pump, Air gap (if fitted) clogged

How to Fix / Troubleshooting

Safety first: Disconnect power before handling hoses.

  • Clean filters and sump: Remove and clean the internal filters and check the sump for debris.
  • Check external plumbing: Detach the drain hose from the sink trap or air gap and clear any blockage. Flush the hose with water.
  • Inspect hose routing: Ensure the Sharp drain hose has a proper high loop and is not kinked.
  • Test drain pump: Run a cancel/drain cycle. If the pump sounds weak or intermittent, it may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Drain Pump
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