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Error code reference

Electrolux Washer Error Code C1

Flow meter is running when no valves are driven.

Electrolux codesElectrolux washer codes

Flow meter is running when no valves are driven.

First step from the service manual

Refer to test (24) - Check if water enters continuously, check air trap for clog, check valve assembly.

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

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What C1 means on a Electrolux washer

The C1 error code on an Electrolux washer indicates that the flow meter is detecting water movement even though no water inlet valves are being commanded to open by the control board. The flow meter is a sensor that monitors water entering the machine by measuring pulses generated as water passes through it. Under normal operation, water flow should only register when the control board actively energizes one or more inlet valves. When the flow meter reports activity with all valves in the closed state, the control interprets this as an uncontrolled water entry condition and triggers C1.

The most likely root cause is a mechanically failed inlet valve that is allowing water to seep through even when not electrically activated. This is called a valve that has "stuck open" or is failing to seal completely, often due to debris lodged in the valve seat or a ruptured valve diaphragm. Beyond the valve itself, a clogged air trap can interfere with pressure sensing and produce false flow signals. The air trap is a small chamber connected to the tub that works alongside the pressure switch system, and blockages from detergent residue or lint can disrupt normal readings.

Diagnostic test 24 is the starting point for this code. The technician should first observe whether water is physically entering the drum with the machine idle and all valves unenergized. If continuous water entry is confirmed, the valve assembly should be inspected and tested for proper sealing. If no physical water entry is observed, the air trap and connecting hose should be checked for obstructions, and the flow meter wiring and sensor function should also be evaluated.

Source: manufacturer service documentation.

Common causes of C1

  1. 01

    Faulty or stuck inlet valve

    Part replacement

    The inlet valve may have a failed diaphragm or debris lodged in the valve seat, causing it to allow water through even when not electrically activated. Confirm by checking for water entering the tub with the washer powered but idle.

  2. 02

    Clogged air trap

    Wiring / connection

    The air trap can become blocked with detergent buildup or lint, causing inaccurate pressure and flow signals that trigger a false C1 reading. Inspect the air trap chamber and connecting hose for obstructions and clear any blockage found.

  3. 03

    Flow meter malfunction or wiring fault

    Part replacement

    The flow meter itself may be generating false pulse signals due to internal failure or a wiring issue such as a loose connector or damaged harness. Check wiring continuity and connections at the flow meter before condemning the sensor.

  4. 04

    Debris in the valve assembly

    Wiring / connection

    Small particles from the water supply can lodge in the valve seat or screen, preventing the valve from sealing fully when closed. Inspecting and cleaning the inlet valve screens may resolve the issue without full valve replacement.

See the test procedure for each cause

Frequently asked questions about C1

What does C1 mean on a Electrolux washer?
The C1 code means the washer's flow meter is detecting water entering the machine even though no inlet valves are being told to open. This points to an uncontrolled water entry condition, most often caused by a faulty inlet valve that is not closing properly. The washer flags this to prevent overfilling. Diagnostic test 24 is the recommended starting point for troubleshooting this code.
Can I fix the C1 error on my Electrolux washer myself?
Some causes of C1 are DIY-friendly, such as clearing a clogged air trap or inspecting the valve inlet screens for debris. However, replacing the inlet valve assembly or flow meter requires disconnecting water supply lines and working with electrical components, which is better suited to a technician with appliance repair experience. Always unplug the washer and shut off the water supply before beginning any internal inspection.
Is it safe to use my Electrolux washer while the C1 code is showing?
It is not recommended to continue running the washer with an active C1 code. The error indicates water may be entering the tub uncontrolled, which creates a risk of overfilling, water damage to flooring, and potential damage to the machine itself. The washer should remain off until the cause is identified and corrected.
Will resetting my Electrolux washer clear the C1 error code?
A reset may temporarily clear the C1 code from the display, but it will return if the underlying problem is not fixed. Because this code is triggered by an active hardware condition, such as a leaking valve or a blocked air trap, clearing the fault without correcting the root cause will not resolve the issue. Address the physical problem first before attempting a reset.
How much does it cost to repair a C1 error on an Electrolux washer?
Repair costs vary depending on the cause. Cleaning a clogged air trap is typically low cost if done yourself, while professional labor for diagnosis and repair generally ranges from around 100 to 250 dollars. If the inlet valve or flow meter needs replacement, parts costs can add another 30 to 120 dollars depending on the component. Getting a diagnostic visit from a qualified technician will give you a more accurate estimate for your specific model.

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