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Appliance Fix Guide

Amana Dishwasher error code

Amana Dishwasher Error F45

Faulty Turbidity Sensor. The turbidity sensor is malfunctioning.

Faulty Turbidity Sensor. The turbidity sensor is malfunctioning.

Updated Aug 18, 2026
✅ WORTH FIXINGParts under $100
Amana dishwasher repair guide for error F45
Error codeF45Dishwasher

Start here before buying a part or taking the appliance apart.

  1. 1
    Check 1

    Clean any film or debris off the turbidity sensor lens located in the sump area.

  2. 2
    Check 2

    Ensure the filter and sump area are free of food particles and debris.

  3. 3
    Check 3

    Turn the dishwasher off at the circuit breaker for 5 minutes to reset the control board.

A quick explanation

What does F45 mean?

Faulty Turbidity Sensor. The turbidity sensor is malfunctioning.

The answer you came for

How to fix Amana dishwasher error F45

Start with the safest checks and work from simple to technical.

  1. 1

    Step 1

    1. Turn off the power to your dishwasher at the circuit breaker.

  2. 2

    Step 2

    2. Remove the bottom dish rack to get access to the sump area at the bottom of the dishwasher.

  3. 3

    Step 3

    3. The turbidity sensor is located in the sump assembly. You will need to twist the sensor to unlock it and then pull it out.

  4. 4

    Step 4

    4. Before installing the new sensor, take a moment to clean the area where the sensor sits with a damp cloth to ensure a good seal.

  5. 5

    Step 5

    5. Carefully insert the new turbidity sensor and twist it into place to lock it.

  6. 6

    Step 6

    6. Reconnect any wiring that was disconnected from the old sensor to the new one.

  7. 7

    Step 7

    7. Replace the bottom rack, restore power to the dishwasher, and run a test cycle to ensure the error is cleared.

Read the additional checks from the current guide

How to Fix F45 Error (Step-by-Step) Turn off the power to your dishwasher at the circuit breaker.Remove the bottom dish rack to get access to the sump area at the bottom of the dishwasher.The turbidity sensor is located in the sump assembly. You will need to twist the sensor to unlock it and then pull it out.Before installing the new sensor, take a moment to clean the area where the sensor sits with a damp cloth to ensure a good seal.Carefully insert the new turbidity sensor and twist it into place to lock it.Reconnect any wiring that was disconnected from the old sensor to the new one.Replace the bottom rack, restore power to the dishwasher, and run a test cycle to ensure the error is cleared.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Amana Dishwasher Focused repair path: dishwasher fill, drain, wash motor, heating, leak, sensor, and control checks. Do not treat a returning fault as a reset-only problem; use the point in the cycle where the fault appears to choose the next check. Disconnect power before opening panels, then confirm the door latch, float, inlet valve, drain path, and harness connections are seated. Match the timing of the failure to the likely path: fill, wash circulation, drain, heat, leak detection, or control communication. Clear debris from filters, sump areas, spray arms, and the drain loop before treating the fault as a failed board. If a part is suspected, verify voltage or continuity where appropriate and match the complete Amana dishwasher model number before ordering. Check, inspect, clean, test, measure, remove, reconnect, clear, and replace parts only when the symptom supports that path. If these checks point toward a part, verify the complete Amana model number from the appliance tag before ordering. Similar error wording can use different valves, sensors, pumps, motors, heaters, locks, switches, fans, or control boards depending on the exact model. Verified Compatible Alternatives:WPW10705575

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

What may be causing it?

  • Dirty turbidity sensor
  • Clogged filters or sump area
  • Faulty turbidity sensor

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

Replacement part

OEM candidate: WPW10705575

Price noted in the current guide: $15-$35

Why this part is shown: It is associated with Amana Dishwasher error F45 in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete dishwasher model number before ordering.

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Replacement options

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If repairing this dishwasher no longer feels worthwhile, compare three replacement paths below.

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Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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