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

  1. Verify the **exact model number** of your Fisher & Paykel washing machine.
  2. Search the **official Fisher & Paykel support site** for fault code documentation specific to your model.
  3. If no documentation for ERR51 exists in the manual or support site, **contact Fisher & Paykel support** for clarification.
  4. Provide the support agent with the exact model number, serial number, and when the code appears (e.g., at start, during wash).
🛑 When to Call a Pro:
  • 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.

Check during diagnosis

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.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

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.

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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