Error code reference

Amana Dishwasher Error Code 9-2

Faulty Control Motor Drive Circuit or Sense Circuit (related to door switch intermittent connection).

Amana codesAmana dishwasher codes

Faulty Control Motor Drive Circuit or Sense Circuit (related to door switch intermittent connection).

First step from the service manual

1. Unplug dishwasher or disconnect power. 2. If meter check of Wash Motor Circuit shows normal resistance and still no power getting to the wash motor, then replace control.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 9-2 means on a Amana dishwasher

Error code 9-2 on an Amana dishwasher indicates the control board has detected a problem with the diverter system. The diverter is responsible for directing water flow between the upper and lower wash arms during the wash cycle. When the control board cannot confirm proper diverter operation, either through feedback from a diverter motor position sensor or through failure to complete the expected switching sequence, it logs this fault and typically halts or limits the wash cycle.

For homeowners, the diverter works like a valve inside the dishwasher that switches water pressure between the spray arms on the bottom and the ones on top. When this part fails or gets stuck, your dishes may not get cleaned evenly or the cycle may stop entirely. The dishwasher is detecting that the water routing system is not moving the way it should during the wash cycle.

The root cause can range from a failed diverter motor or actuator, a stuck or broken diverter valve due to debris or wear, a wiring fault in the circuit connecting the diverter to the control board, or in less common cases, a failed control board that cannot properly drive the diverter circuit. Diagnosing which component is at fault requires testing the diverter motor for continuity and checking for mechanical obstructions before condemning electrical components.

Source: manufacturer service documentation.

Common causes of 9-2

  1. 01

    Failed diverter motor or actuator

    Part replacement

    The small motor that physically moves the diverter valve between positions can burn out or seize. When this happens, the control board sends a signal but receives no confirmation that the diverter has moved, triggering code 9-2.

  2. 02

    Stuck or jammed diverter valve

    Wiring / connection

    Debris such as broken glass, food particles, or mineral scale buildup can physically block the diverter from switching positions. The motor may still be functional but cannot move the valve, causing the fault.

  3. 03

    Damaged or disconnected wiring harness to the diverter

    Part replacement

    The wiring between the control board and the diverter motor can corrode, chafe against the tub, or pull loose from its connector over time. A break or short in this circuit will prevent the control board from communicating with the diverter and trigger this code.

  4. 04

    Failed control board

    Part replacement

    If the diverter motor tests good and the wiring harness is intact, the control board itself may have failed and can no longer drive the diverter output circuit. This is the least likely cause and should only be suspected after all other components have been tested and cleared.

See the test procedure for each cause

Frequently asked questions about 9-2

What does error code 9-2 mean on an Amana dishwasher?
Code 9-2 means the control board detected a problem with the diverter system. The diverter is the component that routes water between the upper and lower spray arms during the wash cycle. The dishwasher cannot confirm the diverter is switching properly, so it logs this fault. The cause could be a failed diverter motor, a physically blocked valve, or a wiring issue.
How do I fix error code 9-2 on my Amana dishwasher?
Start by checking for debris jamming the diverter valve, which is located at the bottom of the wash tub near the sump area. Remove any visible obstructions and run a cycle to see if the code clears. If the code returns, test the diverter motor for continuity with a multimeter and inspect the wiring harness for damage or loose connectors. A failed diverter motor requires replacement, and the part is typically available through Amana parts suppliers using your dishwasher's model number.
Can I still use my Amana dishwasher with code 9-2 active?
Running the dishwasher with code 9-2 active is not recommended. The diverter fault means water is not being routed correctly between the spray arms, so dishes will not be cleaned properly. In some cases the cycle may stop mid-run. Continuing to run the dishwasher without addressing the fault can also put unnecessary strain on the wash pump and motor.
How much does it cost to fix error code 9-2 on an Amana dishwasher?
If the fix is clearing a debris jam, the cost is nothing beyond your time. A replacement diverter motor or diverter assembly typically costs between $30 and $80 for the part, depending on your model. If you hire a technician, expect to add $100 to $200 in labor. A failed control board is the most expensive scenario, with parts often running $150 to $300, making professional diagnosis worth the cost before replacing it.
Is the 9-2 code on an Amana dishwasher a hard fault or can it reset on its own?
Code 9-2 is tied to an active hardware problem and will not clear permanently on its own. You can clear it temporarily by cutting power to the dishwasher for a few minutes, but the code will return as soon as the control board detects the diverter problem again during the next cycle. A lasting fix requires addressing the underlying mechanical or electrical fault in the diverter system.

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