E4A
What code E4A means on a Electrolux tumble dryers, what causes it, and which part to check first.
● SEVERITY: HIGH
Electrolux E4A means: Outlet Thermistor Error. The documented cause is: Outlet thermistor failure (NTC sensor open or shorted) · Thermistor wiring disconnected or damaged · Lint buildup around the sensor affecting its reading
What E4A means
Outlet Thermistor Error
The display shows E4A and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by easybear-appliancerepair.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Outlet thermistor failure (NTC sensor open or shorted) |
| Thermistor wiring disconnected or damaged |
| Lint buildup around the sensor affecting its reading |
| Control board ADC (analog-to-digital converter) circuit failure |
| How to diagnose and fix: |
| Locate the outlet thermistor |
| It is mounted in the exhaust path, typically on the blower housing or exhaust duct inside the dryer |
| Access varies by model — usually reachable from the rear panel |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine before removing any panel. Lint is flammable: never run a dryer with the filter removed, and clear the duct if the code points to airflow.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does E4A mean on a Electrolux?
Outlet Thermistor Error The documented cause is: Outlet thermistor failure (NTC sensor open or shorted) · Thermistor wiring disconnected or damaged · Lint buildup around the sensor affecting its reading · Control board ADC (analog-to-digital converter) circuit failure · How to diagnose and fix: · Locate the outlet thermistor. It is mounted in the exhaust path, typically on the blower housing or exhaust duct inside the dryer. Access varies by model — usually reachable from the rear panel.
Can I fix E4A myself?
It depends on the part involved: Outlet thermistor failure (NTC sensor open or shorted) · Thermistor wiring disconnected or damaged · Lint buildup around the sensor affecting its reading · Control board ADC (analog-to-digital converter) circuit failure · How to diagnose and fix: · Locate the outlet thermistor. It is mounted in the exhaust path, typically on the blower housing or exhaust duct inside the dryer. Access varies by model — usually reachable from the rear panel. Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Electrolux use other codes on this appliance?
Yes: we document 50 other codes for Electrolux on this tumble dryers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.