Error code reference

Viking Dishwasher Error Code F9

Circulation fault: pressure sensor senses excessively low pressure (e.g. no water) or excessively high pressure (e.g. defective circulation pump); program exits heating stage and continues.

SourceDishwasher Service Manual: Installation, Troubleshooting & Specifications (DFUD/VUD Series)p. 631

Viking codes Viking dishwasher codes

Diagnostic procedure

The full F9 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check circulation pump, filter, water level, pressure chamber, and pressure sensor.

SourceDishwasher Service Manual: Installation, Troubleshooting & Specifications (DFUD/VUD Series)p. 631

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for Viking dishwasher.

Models covered by the manuals that document this code

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The full F9 procedure

Where this code is documented

Models covered by the manuals that document this code

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