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Appliance Fix Guide

Amana Dishwasher error code

Amana Dishwasher Error F43

Rinse Aid Sensor Error. The rinse aid sensor is providing inaccurate readings.

Rinse Aid Sensor Error. The rinse aid sensor is providing inaccurate readings.

Updated Aug 18, 2026
informationalno_parts
Amana dishwasher repair guide for error F43
Error codeF43Dishwasher

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

  1. 1
    Check 1

    Ensure the rinse aid reservoir is not empty.

  2. 2
    Check 2

    Make sure the rinse aid dispenser cap is securely closed and the O-ring is not damaged.

  3. 3
    Check 3

    Clean any residue or blockage from the rinse aid dispenser.

A quick explanation

What does F43 mean?

Rinse Aid Sensor Error. The rinse aid sensor is providing inaccurate readings.

The answer you came for

How to fix Amana dishwasher error F43

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

  1. 1

    Step 1

    1. Disconnect the dishwasher from power by turning off the circuit breaker and shut off the water supply line, usually located under the sink.

  2. 2

    Step 2

    2. Open the dishwasher door and remove all the Torx screws holding the inner door panel to the outer door.

  3. 3

    Step 3

    3. Carefully separate the inner and outer door panels, being mindful of the wiring that connects the control panel. Disconnect the wire harness leading to the rinse aid dispenser.

  4. 4

    Step 4

    4. The rinse aid dispenser is clipped into the inner door panel. Carefully press the locking tabs on the sides of the dispenser to release it and push it out from the front of the panel.

  5. 5

    Step 5

    5. Insert the new rinse aid dispenser assembly into the opening from the front of the inner door panel, ensuring it clicks securely into place.

  6. 6

    Step 6

    6. Reconnect the wire harness to the new dispenser. Position the inner door panel back onto the outer door and secure it by reinstalling all the screws.

  7. 7

    Step 7

    7. Restore power and water to the dishwasher. Run a test cycle to confirm that the F43 error code is cleared and the new dispenser is functioning correctly.

Read the additional checks from the current guide

How to Fix F43 Error (Step-by-Step) Disconnect the dishwasher from power by turning off the circuit breaker and shut off the water supply line, usually located under the sink.Open the dishwasher door and remove all the Torx screws holding the inner door panel to the outer door.Carefully separate the inner and outer door panels, being mindful of the wiring that connects the control panel. Disconnect the wire harness leading to the rinse aid dispenser.The rinse aid dispenser is clipped into the inner door panel. Carefully press the locking tabs on the sides of the dispenser to release it and push it out from the front of the panel.Insert the new rinse aid dispenser assembly into the opening from the front of the inner door panel, ensuring it clicks securely into place.Reconnect the wire harness to the new dispenser. Position the inner door panel back onto the outer door and secure it by reinstalling all the screws.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. Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect. Recommended Parts to Check No exact official OEM part number is listed here because the correct Amana dishwasher part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Whirlpool dishwasher drain pump Common replacement category: Drain pump Fit note: Exact OEM part number varies by complete Amana dishwasher model number. Confirm compatibility before buying. Why this category can matter: standing-water, drain, and no-complete-cycle symptoms after the filter and hose are checked. Search Amazon for Whirlpool dishwasher drain pump Whirlpool dishwasher water inlet valve Common replacement category: Water inlet valve Fit note: Exact OEM part number varies by complete Amana dishwasher model number. Confirm compatibility before buying. Why this category can matter: fill, low-water, or no-water symptoms after supply and float checks. Search Amazon for Whirlpool dishwasher water inlet valve Whirlpool dishwasher control board Common replacement category: Electronic control board Fit note: Exact OEM part number varies by complete Amana dishwasher model number. Confirm compatibility before buying. Why this category can matter: repeating error-code or control faults after wiring and latch checks. Search Amazon for Whirlpool dishwasher control board Before ordering: match the part to the complete Amana dishwasher model number on the appliance tag.

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?

  • Empty rinse aid reservoir
  • Loose or damaged dispenser cap
  • Clogged rinse aid dispenser
  • Faulty rinse aid sensor

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

Recommended part

Recommended part for this error code

Rinse Aid Sensor (may be integrated into the dispenser assembly)

Price noted in the current guide: $70-$155

Why this part is shown: It is associated with Amana Dishwasher error F43 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.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

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Replacement options

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

Why shop your replacement on Amazon?

  • Fast, free delivery

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  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

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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