E18
Siemens Washing Machine
Urgency
⚡ Medium
Attend to soon
Repair difficulty
✓ DIY Friendly
No specialist needed
⚠️
For information purposes only. Always consult a qualified engineer before attempting repairs. 🔌 Unplug your appliance before any inspection or repair.

How serious is the Siemens E18 error?

⚡ MEDIUM – While not immediately dangerous, this error will stop your wash cycle and leave water sitting in the drum, which can lead to bad odours or further issues if ignored.

What does the Siemens E18 error code mean?

The Siemens E18 error code indicates that your washing machine is unable to drain water efficiently.

This typically happens when water cannot pass through the drainage system fast enough. Modern Siemens washers monitor drain time, and if it exceeds a set limit, the machine triggers this error.

Common Issues Include

  1. Blocked drain pump filter (most common)
  2. Kinked or clogged drain hose
  3. Debris stuck in the pump impeller
  4. Faulty drain pump motor

How to fix the Siemens E18 error code

  1. Unplug the machine
    Always disconnect power before starting any repair.
  2. Access the drain filter
    Located behind the lower front panel.
  3. Prepare for water release
    Place towels or a shallow tray underneath.
  4. Remove and clean the filter
    • Unscrew slowly
    • Clear lint, coins, hair, and debris
  5. Inspect the pump impeller
    • Look inside the housing
    • Ensure it spins freely without resistance
  6. Check the drain hose
    • Straighten any kinks
    • Flush through with water if blocked
  7. Reassemble and test
  8. Run a rinse or spin cycle to confirm the issue is resolved.

Frequently Asked Questions

Why is my Siemens washer not draining?
In most cases, a blocked pump filter is the cause.

Can I fix this myself?
Yes — this is one of the easiest washing machine repairs

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🎯 What is likely causing this fault?

🧹
Blockage 50%
⚙️
Pump 30%
📡
Sensor confusion 10%
💡
Wiring 10%

⚠️ Estimates based on common faults — not a guaranteed diagnosis. Always verify before ordering parts.

🔩

Parts you may need

Enter your model number to filter results to your exact machine

Usually found on a label inside the door frame or on the back panel of the machine.

No model entered
Part Approx. UK Cost Find it
Drain Pump £25 - £40
Drain Pump £20- £35

ℹ️ Prices are approximate. Always check the part number matches your model before ordering. Not sure of your model number? Find out how to locate it here.