Bosch Washing Machine Error E28
⚡ Quick Answer: The Bosch washing machine E28 error indicates a malfunction in the flow sensor, which monitors water flow during the wash cycle. This error often caus... ✅ DIY Fixable
What Does Error E28 Mean?
The Bosch washing machine E28 error indicates a malfunction in the flow sensor, which monitors water flow during the wash cycle. This error often causes the machine to halt, with the door remaining locked. Common causes include a faulty flow sensor, clogged water inlet filters, or poor electrical connections. Addressing these issues promptly is essential for restoring normal operation.
Common Symptoms:
- Washer displays E28 (or F28) and halts cycle
- Issues with water flow monitoring during wash
- Possible water fill/drain inconsistencies
Possible Causes
- Flow sensor malfunction (faulty or implausible readings) (high)
- Clogged or restricted water inlet/filter affecting sensor readings (medium)
- Poor or loose electrical connection to flow sensor (medium)
How to Fix Error E28
DIY Fix Basic checks before calling service
- Turn off and unplug the washing machine
- Ensure water supply tap is fully open
- Check inlet hose for kinks or visible blockages
- Clean inlet hose filter screens if accessible
Technician Only Professional diagnosis and repair of flow sensor issue
- Confirm error code and model details
- Inspect flow sensor and its wiring connections
- Test water inlet flow and sensor functionality
- Replace flow sensor if defective
- Verify system after repair to clear error code
Parts needed: Flow sensor assembly, Inlet hose filter or related fittings (if needed)
- After performing basic checks if E28 persists
- If water leaks, unusual noise, or unsure about internal components handling
Next step
Choose the next step for E28
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
Door Lock Assembly
Secures the door shut during operation for safety and signals the control board to run.
- Typical part-only price
- $30 - $75
- DIY difficulty
- Easy
- Estimated time
- 10-20 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 | N/A |
|---|---|
| component | Door Lock Assembly |
| resistance | 1-5 ohms |
| part_number | 0018200132 |
| voltage_rating | 120V AC |
Common Questions
What does E28 error mean on Bosch washing machine?
E28 indicates a flow sensor malfunction, causing the machine to halt and the door to remain locked.
Can I fix Bosch washing machine E28 error myself?
Yes, check water supply, hose for blockages, and ensure connections are secure before calling a technician.
How much does it cost to fix E28 error?
Repair costs for the E28 error typically range from $150 to $400, depending on the region and service.
When should I call a technician for E28?
Call a technician if E28 persists after basic checks, or if you notice leaks or unusual noises.
Sources & References
Data last verified: 2026-07-25
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