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
- Turn off and unplug the washing machine
- Open service flap at bottom front
- Place a tray to catch residual water
- Unscrew and remove pump filter cap
- Clear debris and rinse filter
- Reinsert filter and close flap securely
DIY Fix Inspect drain hose
- Unplug machine and move to access rear
- Check hose for kinks or bends
- Disconnect hose and inspect for blockages
- Straighten or clear obstructions, reconnect securely
Technician Only Test and replace drain pump if necessary
- Diagnose pump operation with proper tools
- Remove front or bottom panel to access pump
- Inspect impeller and electrical connections
- Replace pump if malfunctioning or damaged
Parts needed: Drain pump assembly, Seals/gaskets
- 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
Next step
Choose the next step for F18
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Model-compatible Washing Machine parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Washing Machine Cleaner Tablets
Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.
Braided Washer Inlet Hoses
A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.
Washer Drain Hose Holder
Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
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
- Siemens Home Appliances Error code E18/F18 (official)
Data last verified: 2026-07-22
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