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Amana Washing Machine Error Code dET

The dET error code indicates a detected fault in the washing machine's temperature sensing system or heating element circuit. This error prevents the washer from operating until the issue is resolved, as the machine cannot verify water temperature for proper wash cycles.

Common Symptoms

• Washer stops mid-cycle and displays dET error code on the control panel • Machine refuses to start or complete wash cycles • No hot water heating occurs during hot or warm wash selections • Display screen may flash or freeze showing the error • Washer may drain and lock, preventing lid opening or cycle progression • User hears unusual sounds or notices the washer is not heating water as expected

Possible Causes

• Faulty temperature sensor (thermistor) in the tub or heating element circuit • Broken or disconnected heating element, common in areas with high water mineral content • Damaged wiring harness or loose electrical connections to the temperature sensor • Malfunctioning control board unable to read temperature sensor signals • Water inlet valve failure preventing proper hot water supply • Mineral and sediment buildup in heating element from hard water conditions common in many USA regions • Power surge or electrical fluctuation affecting sensor electronics • Defective thermal cut-off switch on the heating element

Safety Checks You Can Do

• Unplug the washing machine from the electrical outlet for 60 seconds, then plug it back in to perform a hard reset and clear the error code • Verify your home circuit breaker has not tripped; check the breaker panel and reset if necessary • Confirm both hot and cold water supply valves behind the washer are fully open and turned counterclockwise • Inspect both inlet hoses (hot and cold) for kinks, bends, or crimping that could restrict water flow • Check that inlet hose screens are not clogged with sediment; turn off water valves, disconnect hoses, and rinse the screens • Ensure the washer is sitting level on the floor using a bubble level; adjust leveling legs if needed • Verify you are using the correct detergent type for your Amana model (High-Efficiency HE detergent where required) in the proper amount • Inspect the drain hose for kinks, blockages, or improper installation that could affect drainage and trigger sensor errors • Run a test cycle with hot water selected and listen for water filling sounds; if no hot water fills, the inlet valve or supply may be blocked • If the error persists after these checks, contact an authorized Amana service technician for diagnosis and repair of the heating element or temperature sensor

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