E18
Liebherr
Slow Drain / Partial Blockage
Washer-dryer shows E18 and stops; drain time exceeded but some water may have left the drum.
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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 pump filter, Partially clogged drain hose or standpipe, Weak drain pump, Kinked internal sump hose
How to Fix / Troubleshooting
Safety first: Unplug the appliance and prepare for water spillage when opening the pump filter.
- Clean pump filter thoroughly: Remove all debris from the pump filter and cavity, not just large items. Rinse the filter under running water.
- Flush drain hose: Disconnect the drain hose from the household plumbing and flush it with hot water to remove soap and lint build-up.
- Check standpipe/sink: Ensure the household drain is not partially blocked, which can slow draining and cause back-pressure.
- Inspect internal hoses: Access the sump hose from the tub to the pump and check for obstructions (e.g., socks, cloths). Remove and clean if necessary.
- Evaluate pump performance: If the pump runs but is weak or noisy, replace the drain pump.
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Repair Difficulty
Medium
3/5
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