Fisher & Paykel Dishwasher Error F12

⚡ Quick Answer: The Fisher & Paykel dishwasher F12 error indicates a communication fault between the main control board and the drawer control board, leading to inope... ✅ DIY Fixable

What Does Error F12 Mean?

The Fisher & Paykel dishwasher F12 error indicates a communication fault between the main control board and the drawer control board, leading to inoperability of the dishwasher or DishDrawer. This error often surfaces during operation and may be accompanied by unusual sounds from the pump. If the F12 code persists after a basic reset, it suggests a deeper issue that may require professional inspection and repair.

Common Symptoms:

  • F12 appears on display when starting or during operation
  • Dishwasher (or one/both drawers on DishDrawer models) becomes inoperative

Possible Causes

  • Communication fault between main control board and drawer control board (medium)

How to Fix Error F12

DIY Fix Basic reset and disconnect power

  1. Turn off the dishwasher and disconnect it from power.
  2. Wait a few minutes to allow residual charge to dissipate.
  3. Restore power and try restarting a wash cycle to see if the F12 clears.

Technician Only Inspect and reseat communication harness and control boards

  1. Disconnect power at the breaker and isolate the dishwasher.
  2. Remove access panels to reach main control board and drawer control board.
  3. Inspect the communication harness connectors for corrosion, water damage, or loose connections.
  4. Reseat all connectors between control boards.
  5. Test by powering on to see if fault clears.

Parts needed: Communication harness, Main control board, Drawer control board

🛑 When to Call a Pro:
  • If code persists after basic reset and visual inspection of connectors
  • If there is visible board damage or water intrusion inside electronics
  • If you are not experienced with control board diagnostics

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number FP-DRP-12345
voltage_rating 240V AC

Common Questions

What does F12 error mean on fisher & paykel dishwasher?

F12 indicates a communication fault between the main and drawer control boards, causing operational issues.

Can I fix fisher & paykel dishwasher F12 error myself?

Yes, try a basic reset by turning off the power, waiting 5-10 minutes, and restarting the dishwasher.

How much does it cost to fix F12 error?

Estimated repair costs range from $150 to $600+, depending on parts and model.

When should I call a technician for F12?

Call a technician if the error persists after a reset, if there’s visible board damage, or if you lack experience with diagnostics.

Sources & References

Data last verified: 2026-03-13

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