Error Code: 2-1 Difficulty: Hard
Problem: Control software issue – damaged or corrupted memory on control board, or incompatible software.
How to Fix 2-1 Error (Step-by-Step)
- Disconnect the dishwasher from power by turning off the circuit breaker or unplugging the unit from the wall outlet.
- Remove the screws securing the inner door panel to the outer door panel. The location and number of screws will vary by model, but they are typically around the perimeter of the inner door.
- With the screws removed, carefully separate the inner and outer door panels to expose the dishwasher’s internal components. Locate the main control board, which is usually a green circuit board housed in a plastic case.
- Take a clear photo of the wiring connections on the control board for reference. Carefully disconnect each wire harness from the old control board. Release any locking tabs on the connectors before pulling.
- Remove the screws or release the plastic tabs holding the old control board in its housing and remove it from the dishwasher.
- Place the new control board into the housing and secure it with the screws or tabs. Using your photo as a guide, reconnect all the wire harnesses to the correct terminals on the new board, ensuring they click securely into place.
- Reassemble the dishwasher door by aligning the inner and outer panels and reinstalling all the screws. Restore power to the dishwasher and run a test cycle to ensure the new control board is functioning correctly.
- 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.
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Whirlpool dishwasher drain pumpCommon replacement category: Drain pumpFit 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.
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Whirlpool dishwasher water inlet valveCommon replacement category: Water inlet valveFit 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.
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Whirlpool dishwasher control boardCommon replacement category: Electronic control boardFit 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.
Before ordering: match the part to the complete Amana dishwasher model number on the appliance tag.
When It’s Better to Replace Than Repair
Dishwasher repairs can add up quickly when the pump, control, heater, or leak-related parts fail.
Confirm cabinet width, water line, drain routing, electrical connection, and panel style before ordering.
For repair parts, verify exact fit with the full dishwasher model number before buying; these links are general replacement-appliance shopping options.
- [OK]Drain pump or circulation pump failure
- [OK]Leaking tub, door, or float-switch issues
- [OK]Heater or control failures on an older unit
- [OK]Repeated poor washing or drying performance
Recommended Dishwasher Replacement Options
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Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Amana error codes: Amana Error Codes
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