mypros+
Error code reference

Kenmore Washer Error Code EF1

Clogged drain pump.

Kenmore codesKenmore washer codes

Clogged drain pump.

First step from the service manual

Unclog the drain pump.

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

MyPros+ Max

Get the full diagnostic procedure for EF1.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What EF1 means on a Kenmore washer

The EF1 error code on a Kenmore washer indicates a clogged drain pump condition. The drain pump is responsible for evacuating water from the wash tub at the end of wash and rinse cycles. When the pump becomes obstructed or cannot move water at the expected flow rate, the washer's control board detects the drainage failure and triggers the EF1 fault to halt the cycle and alert the user.

The most direct cause of EF1 is a physical blockage within the drain pump itself or the pump filter screen. Small items that escape the drum, such as coins, buttons, hair ties, lint accumulation, or debris from pockets, commonly collect in the pump housing and impede the impeller from spinning freely. In some cases, the drain hose connection at the pump outlet can also become kinked or clogged, contributing to the same symptom.

The first diagnostic step is to access and unclog the drain pump. This typically involves locating the pump filter access panel, usually at the lower front of the machine, and clearing any debris from the filter and pump cavity. After clearing the blockage, the drain hose should also be inspected for restrictions. If the pump impeller is damaged from debris contact or the pump motor has failed, the pump assembly itself may require replacement to resolve the error.

Source: manufacturer service documentation.

Common causes of EF1

  1. 01

    Debris clogging the pump filter

    Wiring / connection

    Coins, buttons, hair ties, and small fabric items frequently bypass the drum and collect in the pump filter screen, blocking water flow. Locate the filter access panel at the lower front of the machine and check for accumulated debris.

  2. 02

    Foreign object lodged in the pump impeller

    Wiring / connection

    Small hard objects can pass through the filter and jam the pump impeller directly, preventing it from spinning. If the impeller does not turn freely after clearing the filter, the pump housing will need to be opened for inspection.

  3. 03

    Kinked or clogged drain hose

    Wiring / connection

    The drain hose running from the pump to the standpipe or utility sink can become kinked, crushed, or internally clogged with lint buildup, restricting flow enough to trigger EF1. Inspect the full length of the hose for bends or blockages.

  4. 04

    Damaged pump impeller

    Part replacement

    Hard debris passing through the pump can chip or break the impeller blades, reducing pumping efficiency even after the obstruction is removed. A damaged impeller requires replacement of the drain pump assembly.

  5. 05

    Failed drain pump motor

    Part replacement

    If the pump motor has burned out or seized, the pump will not operate at all and EF1 will appear. This can be confirmed if the pump makes no sound or hums without moving water during a drain cycle.

See the test procedure for each cause

Frequently asked questions about EF1

What does EF1 mean on a Kenmore washer?
EF1 on a Kenmore washer means the drain pump is clogged and the machine cannot drain water properly. The washer's control board detects that water is not being evacuated as expected and stops the cycle to prevent overflow or motor damage. The most common cause is debris such as coins, lint, or small clothing items blocking the pump filter or impeller.
How do I fix the EF1 error on my Kenmore washer?
Start by locating the pump filter access panel, typically found at the lower front of the washer. Place a towel and shallow pan below the panel before opening it, as residual water will drain out. Remove and clean the filter, clear any debris from the pump cavity, and check the drain hose for kinks or blockages. Once everything is clear and reassembled, run a drain or spin cycle to confirm the error is resolved.
Is it safe to use my Kenmore washer when the EF1 code is showing?
No, you should not continue running the washer while EF1 is active. A clogged drain pump means water cannot exit the machine, which can lead to water remaining in the drum, potential overflow, and strain on the pump motor. Address the blockage before resuming normal use.
How much does it cost to fix a Kenmore EF1 error?
If the fix is simply cleaning a clogged pump filter, there is no parts cost and only your time is required. If the pump impeller is damaged or the pump motor has failed, a replacement drain pump assembly typically costs in the range of $35 to $120 for the part, with additional labor costs if a technician performs the repair.
Will resetting my Kenmore washer clear the EF1 error code?
Resetting the washer by unplugging it or cycling the power may temporarily clear the EF1 code from the display, but the error will return as soon as the washer attempts to drain again if the underlying clog has not been removed. The physical blockage in the drain pump or filter must be cleared for the code to stay resolved.

Related Kenmore washer codes

All Kenmore washer codes
View all 156 Kenmore washer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass