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Error code reference

Electrolux Washer Error Code 38

Air trap clogged.

Electrolux codesElectrolux washer codes

Air trap clogged.

First step from the service manual

Refer to test (5) - Check if water level is above 4.5 inches.

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

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What 38 means on a Electrolux washer

Error code 38 on an Electrolux washer indicates that the air trap, also called the pressure trap or air dome, has become clogged. The air trap is a small chamber connected to the pressure hose and pressure sensor system that monitors water level inside the drum. When the air trap is blocked, the pressure sensor cannot accurately read the water level, causing the control board to detect an abnormal condition and trigger this fault code.

The diagnostic procedure for this code begins with test (5), which requires checking whether the water level inside the drum is above 4.5 inches. A water level at or above this threshold suggests that the machine is not draining properly or that the pressure sensing circuit is misreading the water level due to the blocked air trap. Residue from detergent, lint, mineral deposits, or debris can accumulate inside the air trap over time and restrict or fully block airflow through the pressure hose.

When the air trap is obstructed, the pressure switch receives inaccurate signals, which can cause the washer to overfill, underfill, or halt mid-cycle entirely. Resolving this error typically involves locating the air trap chamber (usually found near the bottom of the outer tub), disconnecting it, and clearing any blockage. The connected pressure hose should also be inspected for kinks, cracks, or internal buildup that could contribute to the same symptom.

Source: manufacturer service documentation.

Common causes of 38

  1. 01

    Clogged air trap chamber

    Wiring / connection

    Soap residue, lint, and mineral scale can build up inside the air trap chamber over time, blocking the small air passage. Removing and cleaning the chamber is the primary fix for this error.

  2. 02

    Blocked or kinked pressure hose

    Wiring / connection

    The hose connecting the air trap to the pressure sensor can become kinked, pinched, or filled with residue, producing the same blocked-signal symptom as a clogged trap. Inspect the full length of the hose for obstructions or deformation.

  3. 03

    Excess water in drum above 4.5 inches

    Wiring / connection

    If water is not draining fully, standing water above 4.5 inches can trigger this code by keeping the pressure system in a continuously activated state. Check the drain hose and pump for blockages if water remains in the tub.

  4. 04

    Faulty pressure sensor

    Part replacement

    If the air trap and hose are clear but the error persists, the pressure sensor itself may have failed and is sending incorrect signals to the control board. A failed sensor will need to be replaced.

  5. 05

    Drain pump obstruction

    Wiring / connection

    A partially blocked drain pump can prevent water from clearing the drum, indirectly causing the pressure system to report an abnormal water level. Foreign objects such as coins or small garments are common culprits.

See the test procedure for each cause

Frequently asked questions about 38

What does 38 mean on a Electrolux washer?
Error code 38 means the air trap in the water level sensing system is clogged. The air trap is a small chamber that works with a pressure hose and pressure sensor to monitor how much water is in the drum. When it becomes blocked, the washer cannot accurately read the water level and shuts down to prevent damage. The first diagnostic step is to check whether the water level in the drum is above 4.5 inches.
Can I fix error code 38 on my Electrolux washer myself?
In many cases, yes. The most common fix is locating and cleaning the air trap chamber and inspecting the connected pressure hose for blockages or kinks. You should also check the drum for standing water and verify the drain hose and pump are clear. If cleaning these components does not resolve the error, a faulty pressure sensor may need professional diagnosis and replacement.
Will resetting my Electrolux washer clear error code 38?
A reset may temporarily clear the error code from the display, but it will not fix the underlying blockage. If the air trap remains clogged, the code will return once the washer attempts another fill cycle. The physical blockage must be cleared before the error will stay resolved.
Is it safe to use my Electrolux washer when error code 38 is showing?
It is not recommended to continue running the washer while this code is active. A blocked air trap can cause the machine to misread water levels, potentially leading to overfilling. Running cycles in this condition risks water damage to the machine or surrounding area, so the issue should be addressed before resuming normal use.
How much does it cost to repair error code 38 on an Electrolux washer?
If the repair only involves cleaning the air trap and pressure hose, costs are minimal since no parts are needed and the job can often be done without a technician. If the pressure sensor needs replacement, parts typically range from $20 to $60, with professional labor adding $75 to $150 depending on your location and service provider. Drain pump replacement, if needed, generally falls in the $50 to $120 range for parts.

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