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Error code reference

Kenmore Washer Error Code EB3

Incoming line voltage below 90 VAC.

Kenmore codesKenmore washer codes

Incoming line voltage below 90 VAC.

First step from the service manual

Check voltage at the outlet; if above 90 VAC, replace the control board.

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

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What EB3 means on a Kenmore washer

The EB3 error code on a Kenmore washer indicates that the incoming AC line voltage at the machine has dropped below 90 VAC. The washer's control board continuously monitors the supply voltage to ensure safe and effective operation. When voltage falls beneath this 90 VAC threshold, the control triggers EB3 to alert the user and halt operation, since running the motor and other components at insufficient voltage can cause overheating, damage to electronic components, and poor wash performance.

The most common source of this fault is an actual low-voltage condition at the wall outlet or in the home's electrical supply. This can result from a failing circuit breaker, an overloaded circuit shared with other high-draw appliances, or a utility supply issue affecting the neighborhood. A loose or corroded connection at the outlet, junction box, or breaker panel can also create a voltage drop that registers below the 90 VAC minimum.

If the outlet voltage measures above 90 VAC when tested with a multimeter and the error persists, the control board itself is the likely culprit. The board's internal voltage-sensing circuit may be reading incorrectly due to component failure, triggering a false EB3 fault. In that scenario, replacing the control board is the recommended corrective action.

Source: manufacturer service documentation.

Common causes of EB3

  1. 01

    Low household supply voltage

    Wiring / connection

    A utility supply issue or problem with the home's electrical panel can cause voltage at the outlet to fall below 90 VAC. Use a multimeter to measure the outlet voltage while the washer is attempting to run to confirm.

  2. 02

    Overloaded or shared circuit

    Wiring / connection

    If the washer shares a circuit with other high-draw appliances, simultaneous use can drag voltage below the 90 VAC minimum. Verify the washer is on a dedicated or lightly loaded circuit.

  3. 03

    Loose, corroded, or damaged outlet connection

    Part replacement

    A worn wall outlet or loose wiring connection at the receptacle or breaker panel can create enough resistance to drop the delivered voltage significantly. Inspect and test the outlet for proper contact and secure wiring.

  4. 04

    Failing or tripped circuit breaker

    Part replacement

    A weak or partially tripped breaker may still pass some voltage while failing to maintain full line voltage. Reset the breaker and measure outlet voltage, or have the breaker tested.

  5. 05

    Faulty control board voltage sensing circuit

    Part replacement

    If the outlet measures above 90 VAC but EB3 continues to appear, the control board's internal voltage monitoring circuit has likely failed and is producing a false reading. Replacing the control board is the appropriate fix in this case.

See the test procedure for each cause

Frequently asked questions about EB3

What does EB3 mean on a Kenmore washer?
EB3 means the washer has detected incoming AC line voltage below 90 VAC, which is too low for safe operation. The control board monitors supply voltage continuously and halts the machine when voltage drops beneath this threshold. The issue can stem from a low household supply voltage, a faulty outlet or wiring connection, or a failed control board.
How do I fix the EB3 error on my Kenmore washer?
Start by measuring the voltage at the wall outlet using a multimeter. If the voltage is below 90 VAC, the problem is with your electrical supply, outlet, or circuit, and you should address those issues before running the washer again. If the outlet voltage is above 90 VAC and the error persists, the control board needs to be replaced.
Is it safe to keep using my Kenmore washer when EB3 appears?
No, you should not continue running the washer while EB3 is active. Operating appliances under low-voltage conditions can overheat motors and electronic components, potentially causing further damage or creating a safety hazard. Resolve the voltage issue first before resuming use.
Will resetting my Kenmore washer clear the EB3 error code?
A reset may temporarily clear the code, but it will return if the underlying cause has not been corrected. If the supply voltage is genuinely below 90 VAC or the control board is faulty, the error will reappear as soon as the washer attempts to operate again. Fix the root cause first for a lasting resolution.
How much does it cost to repair a Kenmore washer with an EB3 error?
Costs vary depending on the cause. Fixing a wall outlet or tightening connections is generally inexpensive, typically in the range of $50 to $150 if a licensed electrician is involved. Replacing the control board is more expensive, with parts and labor costs commonly ranging from $150 to $400 depending on the specific model and service rates in your area.

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