Fisher & Paykel Washing Machine Error ERR51
⚡ Quick Answer: The Fisher & Paykel washing machine error code ERR51 indicates a malfunction in the door lock mechanism. This error often results in the door remainin... ✅ DIY Fixable
What Does Error ERR51 Mean?
The Fisher & Paykel washing machine error code ERR51 indicates a malfunction in the door lock mechanism. This error often results in the door remaining locked, preventing the machine from starting. If you encounter this error, it’s crucial to ensure that the door is properly closed and locked. Additionally, verifying the model number and checking the official Fisher & Paykel support resources for assistance is recommended.
Possible Causes
- Door Lock Assembly
- Wiring Issues
- Control Board Malfunction
How to Fix Error ERR51
DIY Fix Check documentation and contact support
- Verify the **exact model number** of your Fisher & Paykel washing machine.
- Search the **official Fisher & Paykel support site** for fault code documentation specific to your model.
- If no documentation for ERR51 exists in the manual or support site, **contact Fisher & Paykel support** for clarification.
- Provide the support agent with the exact model number, serial number, and when the code appears (e.g., at start, during wash).
- If the error persists after ensuring correct water supply, balanced load, and basic checks, or if the machine shows unusual behavior not explained by documented codes.
Next step
Choose the next step for ERR51
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 | 10-20 ohms |
| part_number | 421021P |
| voltage_rating | 240V AC |
Common Questions
What does ERR51 error mean on Fisher & Paykel washing machine?
ERR51 indicates a door lock mechanism malfunction, keeping the door locked and preventing operation.
Can I fix Fisher & Paykel washing machine ERR51 error myself?
Yes, check the door lock and model-specific documentation on the Fisher & Paykel support site.
How much does it cost to fix ERR51 error?
Repair costs vary based on model and region; contact a technician for an estimate.
When should I call a technician for ERR51?
Call a technician if the error persists after basic checks or if the machine behaves unusually.
Sources & References
Data last verified: 2026-07-25
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