Siemens Washing Machine Error F18

⚡ Quick Answer: The Siemens Washing Machine F18 error indicates a drainage problem, where the machine is unable to properly evacuate water. This can occur due to a bl... ✅ DIY Fixable

What Does Error F18 Mean?

The Siemens Washing Machine F18 error indicates a drainage problem, where the machine is unable to properly evacuate water. This can occur due to a blocked drain pump filter, a kinked drain hose, or a malfunctioning drain pump. Symptoms include water remaining in the drum post-cycle, the machine halting mid-wash, and the drain cycle failing to complete. Regular maintenance and timely troubleshooting can help resolve this issue.

Common Symptoms:

  • Water remains in drum after cycle
  • Machine stops mid‑wash and displays F18
  • Drain cycle not completing
  • Water does not evacuate, may hear pump straining

Possible Causes

  • Blocked pump filter (high)

How to Fix Error F18

DIY Fix Check and clean pump filter

  1. Turn off and unplug the washing machine
  2. Open service flap at bottom front
  3. Place a tray to catch residual water
  4. Unscrew and remove pump filter cap
  5. Clear debris and rinse filter
  6. Reinsert filter and close flap securely

DIY Fix Inspect drain hose

  1. Unplug machine and move to access rear
  2. Check hose for kinks or bends
  3. Disconnect hose and inspect for blockages
  4. Straighten or clear obstructions, reconnect securely

Technician Only Test and replace drain pump if necessary

  1. Diagnose pump operation with proper tools
  2. Remove front or bottom panel to access pump
  3. Inspect impeller and electrical connections
  4. Replace pump if malfunctioning or damaged

Parts needed: Drain pump assembly, Seals/gaskets

🛑 When to Call a Pro:
  • After cleaning filter and hose if F18 persists
  • If drain pump replacement is needed beyond user comfort or capability
  • If unusual noises or leaks accompany error code

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number Siemens 00164756
voltage_rating 230V AC

Common Questions

What does F18 error mean on Siemens Washing Machine?

F18 indicates a drainage issue where water remains in the drum, often due to a blocked pump filter or hose.

Can I fix Siemens Washing Machine F18 error myself?

Yes, you can check and clean the pump filter and inspect the drain hose for blockages.

How much does it cost to fix F18 error?

Repair costs for the F18 error range from $50 to $200, depending on parts and labor.

When should I call a technician for F18?

Call a technician if the error persists after cleaning or if the drain pump needs replacement.

Sources & References

Data last verified: 2026-01-25

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