EF1
What code EF1 means on a Electrolux tumble dryers, what causes it, and which part to check first.
● SEVERITY: LOW
Electrolux EF1 means: Blocked exhaust vent. The documented cause is: Check the exhaust vent system for a blockage or restriction. Clear any clog or restriction in the exhaust vent system to the outside of your home.
What EF1 means
Blocked exhaust vent
The display shows EF1 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Check the exhaust vent system for a blockage or restriction |
| Clear any clog or restriction in the exhaust vent system to the outside of your home |
| If the exhaust vent system is clear, unplug the dryer and measure the resistance of the inlet and outlet thermistors with a multimeter |
| The outlet thermistor should measure between around 5000 ohms at room temperature of 70 degrees |
| The inlet thermistor should measure around 50,000 ohms at room temperature of 70 degrees |
| Replace any defective thermistors |
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 EF1 mean on a Electrolux?
Blocked exhaust vent The documented cause is: Check the exhaust vent system for a blockage or restriction. Clear any clog or restriction in the exhaust vent system to the outside of your home. If the exhaust vent system is clear, unplug the dryer and measure the resistance of the inlet and outlet thermistors with a multimeter. The outlet thermistor should measure between around 5000 ohms at room temperature of 70 degrees. The inlet thermistor should measure around 50,000 ohms at room temperature of 70 degrees. Replace any defective thermistors
Can I fix EF1 myself?
It depends on the part involved: Check the exhaust vent system for a blockage or restriction. Clear any clog or restriction in the exhaust vent system to the outside of your home. If the exhaust vent system is clear, unplug the dryer and measure the resistance of the inlet and outlet thermistors with a multimeter. The outlet thermistor should measure between around 5000 ohms at room temperature of 70 degrees. The inlet thermistor should measure around 50,000 ohms at room temperature of 70 degrees. Replace any defective thermistors 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 46 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.