Kenmore Washer Error Code EF5

EF5 indicates that the NTC temperature sensor monitoring the cold water inlet valve has detected a temperature outside the acceptable limits. This code appears only on select higher-end Kenmore washer models. The most common trigger is having the hot and cold water supply hoses swapped at the back of the machine. Once the root cause is corrected, the error should clear.

It is not recommended to continue running the washer while EF5 is active. If the hoses are reversed, the machine may be using hot water when cold is intended, which can damage certain fabrics and affect wash performance. Running the washer repeatedly with an unresolved sensor or wiring fault can also place unnecessary stress on the control board. Resolve the underlying cause before resuming normal operation.

If the fix is simply reconnecting the hot and cold hoses correctly, there is no parts cost and the repair takes only a few minutes. Replacing an NTC thermistor or cold water inlet valve assembly typically costs between $20 and $80 for the part, plus labor if a technician is used. A main control board, if that turns out to be the cause, can range from $100 to $300 or more depending on the model. Getting a diagnostic visit from a technician usually runs between $50 and $100 before any parts are factored in.

Start by checking the hot and cold water hose connections at the back of the washer to make sure they are not reversed. If the hoses are connected correctly, the next step is to test the NTC thermistor at the cold water inlet valve with a multimeter for resistance values that fall outside the expected range. Also inspect the wiring harness between the thermistor and control board for damage or loose connectors. If all components test normally, a qualified technician should evaluate the main control board.

A power reset may temporarily clear the EF5 code, but the error will return if the underlying cause has not been corrected. Unplugging the washer for a few minutes and restarting it is a reasonable first step to confirm whether the fault is persistent. If the code comes back after a reset, a physical inspection of the hose connections, thermistor, and wiring is necessary to find and fix the root cause.