Error code reference

KitchenAid Dishwasher Error Code 9-4

Lower spray arm error - mechanical binding/blocking of spray arm, corroded or loose connection in spray arm sensor or motor circuit, open fuse, spray arm drive circuit on control, or spray arm motor/sensor failure.

SourceKitchenAid KDTE334D Dishwasher - Tech Sheet (W10543820B)p. 9

KitchenAid codes KitchenAid dishwasher codes

Diagnostic procedure

The full 9-4 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

1. Check for and remove any blockage of lower spray arm. 2. Run the Service Diagnostic cycle and check for LSA operation/fault detection. 3. Disconnect power and check wiring connections at controlled lower spray arm motor and sensor.

SourceKitchenAid KDTE334D Dishwasher - Tech Sheet (W10543820B)p. 9

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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

2 manuals in the MyPros+ library document this code for KitchenAid dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full 9-4 procedure

Where this code is documented

Models covered by the manuals that document this code

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