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F28

Error code

critical severity Siemens

F28 Error: Your Siemens dishwasher has displayed the F28 error code and

Your Siemens dishwasher has displayed the F28 error code and won't complete its cycle. This is the appliance's way of telling you that the motor isn't responding properly to the control board's instructions. In practical terms, your dishwasher's drive motor has either stopped communicating with its control system or isn't functioning as it should, which is why the machine has halted and locked you out. Whilst an F28 error is classified as critical and does need addressing, the good news is that many homeowners manage to resolve this fault themselves without calling out an engineer. The problem typically stems from a handful of components rather than the motor itself being permanently damaged. The most likely culprits are a faulty motor connector that's come loose or corroded, a broken motor capacitor, or occasionally a defective control module. Less commonly, the drive motor may have genuinely failed. Before you worry about replacement costs, it's worth checking these components methodically. This guide will walk you through the diagnostic steps and help you identify whether this is a quick fix or something requiring professional attention.

Diagnostic Steps

  1. 1

    Step 1

    Check motor wiring harness connections

  2. 2

    Step 2

    Inspect motor brushes for wear (if applicable)

  3. 3

    Step 3

    Check control board for error signals

  4. 4

    Step 4

    Motor or control board replacement may be required

  5. 5

    Step 5

    Recommend professional engineer for this repair

⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.

Frequently Asked Questions

What does the F28 error mean on a Siemens dishwasher?↓
Your Siemens dishwasher has displayed the F28 error code and won't complete its cycle. This is the appliance's way of telling you that the motor isn't responding properly to the control board's instructions. In practical terms, your dishwasher's drive motor has either stopped communicating with its control system or isn't functioning as it should, which is why the machine has halted and locked you out. Whilst an F28 error is classified as critical and does need addressing, the good news is that many homeowners manage to resolve this fault themselves without calling out an engineer. The problem typically stems from a handful of components rather than the motor itself being permanently damaged. The most likely culprits are a faulty motor connector that's come loose or corroded, a broken motor capacitor, or occasionally a defective control module. Less commonly, the drive motor may have genuinely failed. Before you worry about replacement costs, it's worth checking these components methodically. This guide will walk you through the diagnostic steps and help you identify whether this is a quick fix or something requiring professional attention.
Can I fix the F28 error myself?↓
Many F28 faults can be resolved by a competent DIYer. Always disconnect from mains power first. If unsure, consult a qualified engineer.

Quick Summary

Code
F28
Brand
Siemens
Parts to check
0