9E
Samsung Washing Machine
Severity: ModerateWhat Does This Error Mean?
The 9E error on a Samsung washer means the machine has detected irregular or unstable voltage from the power supply. Samsung washers need a stable 120V (in North America) or 220V (in other regions) supply to operate safely. Voltage that is too high or too low triggers this error and stops the machine. You may see this during storms, on circuits shared with heavy appliances, or in homes with older electrical wiring.
Affected Models
- Samsung WF45R6100AW
- Samsung WF42H5000AW
- Samsung WA50R5400AV
- Samsung WF56H9100AG
- Most Samsung front-load and top-load washers
Common Causes
- Household power supply voltage is too high or too low for the washer's requirements
- The washer is sharing a circuit with other high-draw appliances causing voltage drops
- Loose or corroded outlet connection causing intermittent voltage irregularities
- Power surge or brownout in the home from the utility company
- Faulty main power control board that is misreading the incoming voltage
How to Fix It
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Unplug the washer and wait 10 minutes. Power fluctuations are often temporary. Plug the washer back in and try running a cycle to see if the error clears.
If the error appeared during a storm or utility power issue, it may not return once normal power is restored.
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Check that the washer is plugged directly into a wall outlet — not an extension cord or power strip. Extension cords can cause voltage drops that trigger this error.
Washing machines should always be connected directly to a dedicated wall outlet.
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Test the outlet voltage with a multimeter or a plug-in outlet tester with a voltage display. Acceptable voltage range for a North American washer is 108 to 132 volts at the outlet.
Voltage below 108 or above 132 volts indicates a problem with your home's electrical supply.
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Ensure the washer has its own dedicated circuit. If it shares a circuit with a dryer, refrigerator, or other major appliance, call an electrician to evaluate the electrical panel.
Samsung recommends a dedicated 20-amp circuit for its washers.
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If the voltage is consistently within range and the error keeps returning, the main power control board may need replacement. Have an appliance technician confirm this diagnosis.
Control boards for Samsung washers typically cost $150 to $300 for the part — confirm the diagnosis before purchasing.
When to Call a Professional
Persistent voltage errors after checking the outlet and circuit may indicate a home wiring problem. An electrician can measure your home's supply voltage and check the washer's dedicated circuit. If the control board is suspected, an appliance technician should verify this before you pay for a replacement board. Do not plug the washer back in during an active storm or power fluctuation event.
Frequently Asked Questions
Is the 9E error a sign of a bad washer?
Not necessarily. The 9E error is often caused by external power issues — not the washer itself. If the error only appeared once during a storm or power fluctuation, it is probably fine. If it returns regularly during normal conditions, the outlet, circuit, or control board needs checking.
Can a power surge damage my Samsung washer permanently?
A significant power surge can damage the main control board. If the washer stopped working after a storm or surge and shows 9E, the control board may have been damaged. Consider a surge protector rated for appliances to protect the washer in the future.
Does the 9E error vary by Samsung model?
On some older Samsung models, voltage errors may display as 9E1 or 9E2 rather than plain 9E. 9E1 typically indicates the incoming voltage is too low. 9E2 typically indicates the voltage is too high. Both require the same basic diagnostic approach.