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Error code reference

Miele Washer Error Code F4044

Resistance of NTC 1 less than lowest permissible figure (short circuit).

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What the F4044 error code actually means

Your Miele washer has detected a problem with the water temperature sensor, which is reading an abnormally low electrical signal that suggests it has short-circuited. The machine has stopped to prevent overheating or damage since it can no longer accurately monitor the water temperature. This is a sensor or wiring issue that will need to be diagnosed and repaired before the washer can operate safely.

Diagnostic procedure

The full F4044 procedure

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1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
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Most common causes of F4044

Ranked by how often they cause this code
  1. 1Failed NTC 1 temperature sensor
  2. 2Damaged or shorted wiring harness
  3. 3Corroded or moisture-damaged connector
  4. 4Loose or intermittent sensor connection
  5. 5Faulty electronic control board

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Questions people ask about F4044

What does F4044 mean on a Miele washer?
F4044 means the resistance from NTC 1, the primary water temperature sensor, has dropped below the lowest permissible value, which the control board flags as a short circuit. The machine stops operation because it cannot safely regulate wash temperature without reliable sensor data. This fault points to the NTC sensor itself, its wiring, or the connector joining the two.
Is it safe to use my Miele washer while F4044 is active?
You should not continue using the washer while F4044 is displayed. The machine cannot accurately monitor water temperature with a faulty or short-circuited NTC sensor, which means the heating element could operate without proper control. This creates a risk of overheating the water, damaging fabrics, or stressing internal components.
Will resetting my Miele washer clear the F4044 error code?
A power cycle or reset may temporarily clear the F4044 code, but it will return as soon as the control board reads the NTC 1 sensor circuit again and detects the same out-of-range resistance. The underlying fault in the sensor, wiring, or connector must be physically repaired before the code will stay cleared permanently.
Can I fix F4044 on my Miele washer myself?
A knowledgeable DIYer can attempt to diagnose F4044 by inspecting the NTC 1 sensor wiring and connectors for visible damage, corrosion, or loose connections. Testing the sensor resistance with a multimeter will confirm whether the sensor has failed. Replacing the NTC sensor is a relatively accessible repair, but tracing wiring faults or replacing the control board may require a qualified technician.
How much does it cost to repair a Miele washer showing F4044?
Repair costs vary depending on the root cause. Replacing an NTC temperature sensor typically falls in the range of $50 to $150 for parts, with additional labor costs if a technician is performing the repair. If the fault is traced to the electronic control board, costs can rise significantly, often ranging from $200 to $500 or more for parts and labor.

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