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

  1. Turn off and unplug the washing machine
  2. Ensure water supply tap is fully open
  3. Check inlet hose for kinks or visible blockages
  4. Clean inlet hose filter screens if accessible

Technician Only Professional diagnosis and repair of flow sensor issue

  1. Confirm error code and model details
  2. Inspect flow sensor and its wiring connections
  3. Test water inlet flow and sensor functionality
  4. Replace flow sensor if defective
  5. Verify system after repair to clear error code

Parts needed: Flow sensor assembly, Inlet hose filter or related fittings (if needed)

🛑 When to Call a Pro:
  • After performing basic checks if E28 persists
  • If water leaks, unusual noise, or unsure about internal components handling

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: 2026-01-16

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