mypros+
Error code reference

Samsung Washer Error Code E2

Switch Error / Main Relay Error-a tact switch or power switch may be stuck, service PBA holding screws fastened too tight pinching contacts, or main…

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the E2 error code actually means

Your Samsung washer is detecting a problem with one of its buttons or its internal power control switch. This can happen if a button is stuck, if internal components were put together too tightly during a repair, or if a relay on the control board has failed. In many cases, this is a straightforward fix, but it may require inspecting the control board or buttons closely.

Diagnostic procedure

The full E2 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check whether the Power switch or any tact switch (button) is stuck down. Check whether service PBA holding screws are fastened too tight.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E2 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of E2

Ranked by how often they cause this code
  1. 1Stuck tact switch or power button
  2. 2Service PBA holding screws overtightened
  3. 3Main relay wiring connection error
  4. 4Main PBA switching IC failure
  5. 5Damaged or failed service PBA

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

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

Questions people ask about E2

What does E2 mean on a Samsung washer?
The E2 error on a Samsung washer indicates a Switch Error or Main Relay Error. It means the control system has detected a problem with a tact switch or power switch, a relay wiring issue, or a fault in the relay switching IC on the main PBA. It can also be caused by the service PBA mounting screws being fastened too tightly, which physically pinches the board and creates a false switch signal.
Is it safe to use my Samsung washer when the E2 error is showing?
You should not continue using the washer while the E2 error is active. A main relay fault means the board may not be able to reliably control power to the motor and other internal components. Running the machine in this state could result in unpredictable behavior or additional component damage.
How much does it cost to repair a Samsung washer E2 error?
Repair costs vary widely depending on the cause. If a stuck button or an overtightened screw is the issue, there may be no parts cost at all. If the service PBA needs replacement, parts and labor typically range from around 80 to 200 dollars. A main PBA replacement is more expensive, generally falling in the range of 150 to 350 dollars or more depending on the model and labor rates in your area.
Can I fix the E2 error on my Samsung washer myself?
Some causes of the E2 error are DIY-friendly. Start by pressing each button on the control panel to check for any that feel stuck. If a prior repair was recently performed, check whether the service PBA screws were overtightened and loosen them if needed. Relay wiring connections can also be inspected and reseated without special tools. If the fault points to a failed switching IC or damaged PBA, professional repair or board replacement is recommended.
Will resetting my Samsung washer clear the E2 error?
A reset alone is unlikely to permanently clear the E2 error if an underlying hardware issue is present. You can try unplugging the washer for a few minutes and restarting it, but if a button is stuck, the PBA screws are overtightened, or a relay component has failed, the error will return. The root cause must be corrected before the fault will stay cleared.

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

Get Started

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