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F9

F9 - Electronics failure (Fisher & Paykel Dishdrawers LCD type)

Miele · Professional Troubleshooting Guide

What does F9 mean?

The dishwasher's internal electronics have detected a general failure, which can prevent the appliance from operating correctly.

Common Causes

  • Control board malfunction
  • Software error or glitch
  • Power supply issue to the electronics

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the dishwasher's power supply immediately at the wall socket or circuit breaker.

  2. 2

    Wait for at least 30 seconds to allow the electronics to fully reset.

  3. 3

    Turn the power back on and try to start a new cycle.

  4. 4

    If the error persists, there may be a deeper internal electronic component issue.

Browse all codes in this manual (45)
Verified technical data. Last updated: April 2026

Related Faults

A1A1 - CCU did not reset (Fisher & Paykel Wall ovens)C1C1 - Oven temperature too high (over 305°C) (Fisher & Paykel Wall ovens)Delicate LEDDelicate LED lit - Motor not rotating (Fisher & Paykel Dishdrawers badge type)
Source: Miele Professional Troubleshooting Guide
Open Manual (Page 71)Search more codes in this manual