mypros+
Error code reference

Kenmore Dryer Error Code EA3

Voltage too low; line voltage too low or Electronic Control Board faulty.

Kenmore codesKenmore dryer codes

Voltage too low; line voltage too low or Electronic Control Board faulty.

First step from the service manual

Check amplitude of line voltage.

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 EA3.

  • 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 EA3 means on a Kenmore dryer

The EA3 error code on a Kenmore dryer indicates that the electronic control board has detected a line voltage level that is too low to operate the appliance safely or correctly. The control board continuously monitors the incoming AC line voltage, and when the amplitude drops below the acceptable threshold, it triggers this fault to protect the dryer's electrical components and prevent erratic operation. This is a voltage-sensing fault originating at the interface between the power supply and the control board.

The most likely cause is a problem with the household power supply rather than the dryer itself. Electric dryers in North America require a 240-volt supply delivered through two hot legs of approximately 120 volts each. If one leg is weak or missing due to a tripped breaker, a failing breaker, or a utility supply issue, the voltage can drop significantly. A loose or corroded connection at the terminal block, the wall outlet, or the breaker panel can also cause voltage sag under load, which the control board will register as a low-voltage condition.

If the incoming line voltage tests within the correct range and the fault persists, the electronic control board itself may be faulty. The board's voltage-sensing circuitry could be misreading the supply, producing a false EA3 code even when voltage is adequate. In this scenario, replacing the control board is the appropriate repair. Always confirm the line voltage reading first before concluding the board has failed, since a board replacement will not resolve a genuine power supply problem.

Source: manufacturer service documentation.

Common causes of EA3

  1. 01

    Tripped or Weak Circuit Breaker

    Wiring / connection

    A double-pole breaker that has partially tripped can cut one 120-volt leg while leaving the other live, effectively halving the voltage to the dryer. Check the breaker panel and reset or replace the breaker if it appears faulty.

  2. 02

    Low Utility Supply Voltage

    Wiring / connection

    Grid-level voltage fluctuations or a utility supply problem can drop line voltage below acceptable levels. Measure the voltage at the wall outlet with a multimeter to confirm whether the issue originates outside the home.

  3. 03

    Loose or Corroded Wiring at Terminal Block

    Wiring / connection

    A loose hot wire connection at the dryer's terminal block or the wall outlet can cause voltage to sag under load. Inspect the terminal block connections and the outlet for signs of burning, corrosion, or loose terminals.

  4. 04

    Faulty Wall Outlet or Receptacle

    Part replacement

    A worn or damaged 240-volt receptacle may have poor contact with the dryer's power cord prongs, causing a voltage drop. Replacing the receptacle can resolve this if the outlet shows signs of damage or tests below the correct voltage.

  5. 05

    Faulty Electronic Control Board

    Part replacement

    If line voltage tests correctly at the outlet and terminal block but EA3 persists, the control board's internal voltage-sensing circuit may be defective and generating a false fault. Replacing the control board is the recommended corrective action in this case.

See the test procedure for each cause

Frequently asked questions about EA3

What does EA3 mean on a Kenmore dryer?
EA3 means the dryer's electronic control board has detected that the incoming line voltage is too low. The dryer requires a proper 240-volt supply to operate, and if that voltage drops below the acceptable range, the control board triggers this fault code. The cause can be a household electrical issue such as a weak breaker or poor wiring connection, or in some cases, a faulty control board that is misreading the voltage.
How do I fix the EA3 error code on my Kenmore dryer?
Start by measuring the voltage at the wall outlet using a multimeter to confirm the supply is providing the correct 240 volts. If the voltage is low, check for a tripped breaker, a failing breaker, or a loose connection at the outlet or dryer terminal block. If the line voltage is correct and the error persists, the electronic control board is likely faulty and will need to be replaced.
Is it safe to use my Kenmore dryer when it shows EA3?
You should not continue operating the dryer while the EA3 code is active. Low voltage conditions can cause the motor and heating components to draw higher-than-normal current, which can lead to overheating or component damage over time. Address the voltage issue or control board fault before resuming normal use.
Will resetting my Kenmore dryer clear the EA3 code?
A reset may temporarily clear the EA3 code, but it will return if the underlying cause has not been corrected. If the line voltage is genuinely low or a connection is loose, the control board will detect the problem again during the next cycle. Resolve the electrical supply issue or replace the control board before relying on a reset.
How much does it cost to repair an EA3 error on a Kenmore dryer?
Repair costs vary depending on the root cause. If the fix involves resetting or replacing a circuit breaker, costs are typically in the range of $5 to $50 for parts. Replacing a wall receptacle generally runs $10 to $30 in parts plus labor if a technician is used. If the electronic control board is the source of the fault, the board itself can range from $80 to $200 or more depending on the model, with additional labor costs if you use a professional repair service.

Related Kenmore dryer codes

All Kenmore dryer codes
View all 105 Kenmore dryer codes

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

Get Started

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