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Appliance Fix Guide

Amana Dishwasher error code

Amana Dishwasher Error F49

Water Quality Sensor Calibration Error. The calibration of the water quality sensor is incorrect.

Water Quality Sensor Calibration Error. The calibration of the water quality sensor is incorrect.

Updated Aug 18, 2026
informationalno_parts
Amana dishwasher repair guide for error F49
Error codeF49Dishwasher

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

  1. 1
    Check 1

    Run a calibration cycle if available (refer to user manual).

  2. 2
    Check 2

    Ensure you are using a high-quality dishwasher detergent as recommended.

  3. 3
    Check 3

    Turn the dishwasher off at the circuit breaker for 5 minutes.

A quick explanation

What does F49 mean?

Water Quality Sensor Calibration Error. The calibration of the water quality sensor is incorrect.

The answer you came for

How to fix Amana dishwasher error F49

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

  1. 1

    Step 1

    1. This error often indicates a need to reset and recalibrate the dishwasher's control board.

  2. 2

    Step 2

    2. Start by pressing the 'Cancel' button on the dishwasher to stop any ongoing cycle.

  3. 3

    Step 3

    3. Turn off the power to the dishwasher at the circuit breaker.

  4. 4

    Step 4

    4. Leave the power off for at least 5-10 minutes. This allows the internal electronics to fully reset.

  5. 5

    Step 5

    5. Turn the circuit breaker back on to restore power to the dishwasher.

  6. 6

    Step 6

    6. Select and run a short wash cycle. This will allow the water quality sensor to recalibrate during the new cycle.

  7. 7

    Step 7

    7. If the error code returns, repeat the power cycle process once more.

Read the additional checks from the current guide

How to Fix F49 Error (Step-by-Step) This error often indicates a need to reset and recalibrate the dishwasher's control board.Start by pressing the 'Cancel' button on the dishwasher to stop any ongoing cycle.Turn off the power to the dishwasher at the circuit breaker.Leave the power off for at least 5-10 minutes. This allows the internal electronics to fully reset.Turn the circuit breaker back on to restore power to the dishwasher.Select and run a short wash cycle. This will allow the water quality sensor to recalibrate during the new cycle.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. 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?

  • Sensor calibration issue
  • Improper detergent use
  • Electronic glitch

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

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for Amana Dishwasher error F49 points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

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