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Error code reference

Kenmore Washer Error Code EF2

Too much detergent / oversudsing.

Kenmore codesKenmore washer codes

Too much detergent / oversudsing.

First step from the service manual

Advise customer to reduce the amount of detergent they are using.

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

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What EF2 means on a Kenmore washer

The EF2 error code on a Kenmore washer indicates an oversudsing condition, meaning the machine has detected an excessive amount of soap suds inside the wash drum or pump system. The washer's control board monitors water and drum behavior during the wash and rinse cycles. When foam or suds exceed a tolerable level, the machine triggers EF2 to alert the user and may extend rinse cycles automatically to help clear the excess suds before they can interfere with proper drainage or sensor readings.

Oversudsing is almost always caused by using too much detergent, using the wrong type of detergent, or a combination of both. High-efficiency (HE) washers require HE-formulated detergent specifically because standard detergents produce far more suds than HE machines can handle. Even with HE detergent, using more than the recommended amount can trigger EF2, particularly with soft water, which amplifies sudsing compared to hard water.

The issue is behavioral rather than mechanical in most cases. The first corrective step is to reduce detergent quantity and verify that an HE-rated detergent is being used. If the error persists after correcting detergent usage, residual soap buildup inside the drum, pump, or hoses may be contributing to the problem, and running one or more empty hot water rinse cycles can help flush out accumulated detergent residue.

Source: manufacturer service documentation.

Common causes of EF2

  1. 01

    Too much detergent used

    Wiring / connection

    Using more detergent than recommended is the most frequent trigger for EF2. Even a small excess can produce enough suds to overwhelm the machine, especially in soft water conditions.

  2. 02

    Non-HE detergent in an HE washer

    Wiring / connection

    Standard detergents are formulated to produce high suds levels that HE washers cannot handle. Check the detergent packaging for the HE symbol and switch to an HE-rated product if needed.

  3. 03

    Residual detergent buildup inside the machine

    Wiring / connection

    Repeated oversudsing can leave soap residue in the drum, pump, and hoses that continues to generate suds in later cycles. Running several empty hot water rinse cycles can help clear accumulated buildup.

  4. 04

    High-sudsing additives or laundry boosters

    Wiring / connection

    Some laundry boosters, fabric softeners, or homemade detergent mixtures contain surfactants that produce excessive suds. Review all laundry products being used and reduce or eliminate any non-HE additives.

  5. 05

    Soft water amplifying suds production

    Wiring / connection

    Homes with very soft water, whether naturally or through a water softener, will see significantly more suds from any given amount of detergent. Reducing detergent quantity below the label recommendation is often necessary in these situations.

See the test procedure for each cause

Frequently asked questions about EF2

What does EF2 mean on a Kenmore washer?
EF2 on a Kenmore washer means the machine has detected too much sudsing inside the drum or pump system. It is triggered when excess foam interferes with normal wash or rinse operation. The most common cause is using too much detergent or a detergent that is not formulated for high-efficiency washers. Reducing detergent quantity and switching to an HE-rated product typically resolves the issue.
How do I fix the EF2 error on my Kenmore washer?
Start by reducing the amount of detergent you use and confirming that your detergent is labeled HE. If the error persists, run one or more empty cycles using hot water to flush residual soap out of the drum and internal components. Avoid adding any extra laundry boosters or non-HE additives until the problem is fully resolved.
Will resetting my Kenmore washer clear the EF2 error?
Resetting the washer may clear the EF2 code temporarily, but if the underlying cause is not addressed, the error will return in the next wash cycle. The machine may also automatically extend its rinse cycle to try to clear excess suds before displaying the code. The only reliable fix is correcting detergent type and quantity.
Is it safe to keep using my Kenmore washer when EF2 is displayed?
The EF2 code itself does not indicate a dangerous mechanical failure, but running the machine repeatedly in an oversudsing condition can stress the pump and drainage system over time. It is best to address the detergent issue promptly and allow any active suds to clear before continuing to use the washer normally.
How much does it cost to fix an EF2 error on a Kenmore washer?
In most cases, fixing EF2 costs nothing beyond switching to the correct detergent and adjusting the amount used. If repeated oversudsing has caused damage to the pump or other internal components, repair costs can range from around $75 to $300 or more depending on the parts and labor involved. Most users resolve EF2 without any service call.

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