Bosch Washing Machine Error F42
⚡ Quick Answer: The Bosch washing machine error F42 indicates a motor-related fault, often manifesting as a drainage issue. Symptoms include a displayed error code du... ✅ DIY Fixable
What Does Error F42 Mean?
The Bosch washing machine error F42 indicates a motor-related fault, often manifesting as a drainage issue. Symptoms include a displayed error code during the cycle, unusual noises from the motor area, and erratic drum rotation. This error could be caused by a malfunctioning motor or excessive engine speed detected during self-diagnosis. Immediate attention is required to avoid further damage.
Common Symptoms:
- Error code F42 displayed during cycle
- Unusual noise from motor area
- Machine vibrating or bouncing during spin
- Drum not turning or erratic rotation
Possible Causes
- Motor fault (brushes or motor itself) (medium)
- Excessive engine speed detected by self‑diagnosis (medium)
How to Fix Error F42
DIY Fix Power cycle and basic checks
- Turn off the washing machine and unplug it from mains power.
- Check for obvious issues such as overloaded drum or heavy load imbalance.
- Remove excess laundry and redistribute load evenly.
- Plug machine back in and restart a short cycle to test.
Technician Only Inspect and service motor assembly
- Disconnect power and access rear or bottom panel to reach motor.
- Inspect motor carbon brushes for wear and replace if necessary.
- Check motor windings and commutator for damage.
- Verify motor control board signals and connections.
- Test motor operation under controlled conditions.
Parts needed: Motor carbon brushes, Motor assembly, Motor control module
- If the error persists after basic user‑level checks
- If the machine shows severe vibration or noise
- If there are electrical burning smells
Next step
Choose the next step for F42
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.
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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 | 50W |
|---|---|
| component | Drain Pump |
| resistance | 10-20 ohms |
| part_number | Bosch 00620334 |
| voltage_rating | 120V AC |
Common Questions
What does F42 error mean on bosch washing machine?
The F42 error indicates a motor fault, often affecting the drainage process and causing unusual noises.
Can I fix bosch washing machine F42 error myself?
Yes, you can perform basic checks like power cycling the machine and redistributing laundry to resolve the issue.
How much does it cost to fix F42 error?
The estimated repair cost ranges from ¥15,000 to ¥50,000, including parts and labor.
When should I call a technician for F42?
Call a technician if the error persists after your checks, if there's severe vibration or noise, or if you smell burning.
Sources & References
Data last verified: 2026-07-25
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