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Error code reference

Electrolux Washer Error Code EF1

Drain filter blocked

Electrolux codesElectrolux washer codes

Drain filter blocked – warning that appears only at the end of the cycle indicating long draining phases detected (e.g., more than 20 seconds during draining after rinsing).

First step from the service manual

Verify that drain filter and all drain system is clean.

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

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What EF1 means on a Electrolux washer

The EF1 error code on an Electrolux washer is a warning triggered when the control board detects abnormally long draining phases during the wash cycle. Specifically, the code is generated when draining after a rinse cycle takes more than 20 seconds longer than expected. Unlike some fault codes that halt the machine mid-cycle, EF1 appears at the end of the cycle as a warning, meaning the washer did complete its program but struggled to drain efficiently at some point during operation.

The drain system on a front-load Electrolux washer consists of several components working together: the drain pump, the drain filter (also called a pump filter or coin trap), the drain hose, and any standpipe or utility sink connection at the output. When any part of this path becomes restricted, the pump must run longer to evacuate water from the drum. The control board monitors drain duration and logs the EF1 warning when that duration exceeds normal parameters.

The most common root cause is a clogged drain filter, which collects lint, coins, hair, and other debris over time. A partially blocked filter reduces water flow through the pump, extending the time needed to empty the drum. Secondary causes include a kinked or obstructed drain hose, a standpipe installed at an incorrect height, or a failing drain pump that is losing flow capacity. Regular filter cleaning, typically recommended every one to three months depending on usage, is the most effective preventive measure.

Source: manufacturer service documentation.

Common causes of EF1

  1. 01

    Clogged drain filter

    Wiring / connection

    Lint, coins, hair, and small debris accumulate in the drain pump filter over time, restricting water flow and forcing the pump to run longer. The filter is typically located behind a small access panel at the lower front of the machine.

  2. 02

    Kinked or obstructed drain hose

    Wiring / connection

    If the drain hose is bent, pinched behind the machine, or partially blocked by debris, water cannot exit quickly enough. Inspect the full length of the hose from the back of the washer to the standpipe or utility sink connection.

  3. 03

    Improper drain hose height or standpipe restriction

    Wiring / connection

    A standpipe that is too tall, too short, or partially clogged can slow drainage significantly. The drain hose output height should fall within the range specified for the installation, typically between 24 and 96 inches from the floor.

  4. 04

    Failing or weak drain pump

    Part replacement

    A drain pump that is wearing out may still move water but at reduced flow rates, causing extended drain times. This is usually accompanied by louder-than-normal operation from the pump area during draining.

  5. 05

    Foreign object lodged in the pump impeller

    Wiring / connection

    Small items such as coins, buttons, or broken wire from a bra can pass through the filter and jam or partially obstruct the pump impeller. The drain filter should be inspected first, as clearing the filter sometimes dislodges the item.

See the test procedure for each cause

Frequently asked questions about EF1

What does EF1 mean on a Electrolux washer?
EF1 is a drain warning code indicating the washer detected one or more draining phases that took longer than expected, specifically more than 20 seconds during draining after rinsing. The code appears at the end of the cycle rather than stopping the machine mid-program. It points to a restriction somewhere in the drain system, most commonly a blocked drain filter. Cleaning the filter is the recommended first step.
How do I fix the EF1 error on my Electrolux washer?
Start by locating the drain filter access panel at the lower front of the washer, placing a towel and shallow pan underneath, and slowly unscrewing the filter cap to let residual water drain out. Remove the filter, clean off all debris under running water, and check the filter housing cavity for any trapped objects. Also inspect the drain hose along its full length for kinks or blockages. Reinstall the filter securely and run a short cycle to confirm the error does not return.
Is it safe to keep using my washer when EF1 is showing?
Because EF1 is a warning that appears after the cycle completes rather than a hard fault that stops operation, the washer is still functional. However, continuing to run the machine without addressing the drainage restriction puts extra strain on the drain pump and can shorten its service life. It is best to clean the drain filter and check the hose before running additional loads.
Will resetting my Electrolux washer clear the EF1 code?
Unplugging the washer or cycling the power may clear the displayed code temporarily, but the underlying cause will remain. If the drain system is still restricted, the EF1 warning will return the next time the washer detects a prolonged drain phase. A lasting fix requires physically cleaning the filter and removing any blockage from the drain path.
How much does it cost to repair an EF1 error on an Electrolux washer?
If the cause is simply a clogged drain filter, the repair costs nothing beyond a few minutes of your time. If the drain hose needs replacement, parts typically run in the range of $15 to $40. A failed drain pump is the most expensive scenario, with parts generally ranging from $50 to $120 and additional labor costs if a technician is needed, bringing the total repair to roughly $100 to $250 depending on your location and service rates.

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