mypros+
Error code reference

Electrolux Washer Error Code E72

Fault in NTC sensor on drying condenser (voltage out of range = short-circuit or open circuit)

Electrolux codesElectrolux washer codes

Fault in NTC sensor on drying condenser (voltage out of range = short-circuit or open circuit) - drying NTC sensor defective, wiring defective, or main circuit board defective.

First step from the service manual

Check drying NTC sensor (condenser); check wiring; check main circuit board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for E72.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What E72 means on a Electrolux washer

The E72 error code on an Electrolux washer indicates a fault in the NTC (Negative Temperature Coefficient) sensor located on the drying condenser. This sensor is responsible for monitoring the temperature of the condenser during drying cycles. The control system continuously reads the voltage signal from this sensor, and when that voltage falls outside the expected range, it interprets the reading as either a short circuit (abnormally low resistance causing voltage to drop too low) or an open circuit (broken circuit causing voltage to read too high or absent entirely). Either condition triggers the E72 fault.

The three primary sources of this fault are the NTC sensor itself, the wiring between the sensor and the main circuit board, or the main circuit board. A defective NTC sensor is the most common culprit, as these sensors can fail due to heat stress, moisture intrusion, or simple component aging. Wiring issues such as corroded connectors, pinched harness wires, or loose terminal connections can mimic sensor failure by disrupting the signal path. In less common cases, a damaged main circuit board that cannot correctly process the sensor signal will produce the same E72 code.

Diagnosis should begin at the drying NTC sensor on the condenser. Check the sensor's resistance value with a multimeter and compare it to the specified range for the operating temperature. Inspect the wiring harness for visible damage, corrosion at connectors, and secure terminal seating. If the sensor and wiring check out, the main circuit board becomes the likely fault source and should be tested or replaced.

Source: manufacturer service documentation.

Common causes of E72

  1. 01

    Defective drying NTC sensor

    Part replacement

    The NTC sensor on the drying condenser can fail due to heat exposure, moisture damage, or age, causing it to produce a voltage signal outside the acceptable range. Testing the sensor with a multimeter for resistance will confirm if it has failed open or short.

  2. 02

    Damaged or corroded wiring harness

    Wiring / connection

    Wires connecting the NTC sensor to the main circuit board can become pinched, corroded at their connectors, or develop broken conductors, all of which interrupt the signal. Inspect the full harness run from the sensor to the board and check each terminal for secure seating and corrosion.

  3. 03

    Loose or disconnected connector

    Wiring / connection

    A connector that has vibrated loose at either the sensor end or the board end will break the circuit and trigger an open-circuit fault reading. Reseating the connector firmly often resolves this without replacing any components.

  4. 04

    Faulty main circuit board

    Part replacement

    If the NTC sensor and all wiring test correctly, the main circuit board may be unable to properly read or process the sensor signal. This is the least common cause and is typically confirmed only after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about E72

What does E72 mean on a Electrolux washer?
E72 indicates a fault in the NTC temperature sensor located on the drying condenser. The control board has detected a voltage reading from that sensor that is out of the expected range, indicating either a short circuit or an open circuit condition. The fault can originate from the sensor itself, the wiring connecting it to the board, or the main circuit board. The drying cycle will not function correctly while this code is active.
Can I fix the E72 error myself?
Some causes of E72 are DIY-friendly. Checking the wiring harness for loose connectors and reseating them requires no special tools. Testing the NTC sensor with a multimeter is also within reach for a technically confident homeowner. However, replacing the main circuit board involves working near high-voltage components and is generally best handled by a qualified technician.
Is it safe to keep using my washer with an E72 error?
The E72 code relates to the drying function of the washer, not the wash cycle itself. While the machine may still perform washing functions, continued use with an unresolved sensor fault means the appliance is operating without proper temperature monitoring during drying. This could lead to ineffective drying performance or further component stress, so addressing the fault promptly is advisable.
How much does it cost to repair an E72 error on an Electrolux washer?
Repair cost depends on the root cause. If only a wiring connector needs reseating, there may be no parts cost at all, though a service call can run anywhere from $75 to $150. Replacing the drying NTC sensor typically costs between $20 and $60 for the part. If the main circuit board is at fault, parts and labor combined can range from $200 to $400 or more depending on the model.
Will resetting my Electrolux washer clear the E72 error?
A power reset may temporarily clear the E72 code, but if the underlying fault in the NTC sensor or wiring still exists, the code will return once the machine attempts the drying cycle again. A reset is useful as a first step to confirm whether the fault is intermittent, but it does not repair a defective sensor, damaged wiring, or a faulty circuit board.

Related Electrolux washer codes

All Electrolux washer codes
View all 231 Electrolux washer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass