What does 8C mean on a Samsung washer?

8C means: MEMS vibration sensor error. The most likely parts involved are MEMS vibration sensor, sensor wire harness.

How much does it cost to fix 8C?

A typical control board replacement costs about $200–$500 nationally, parts and labor included. This is a reference range, not a quote — local prices vary.

Can I keep using my Samsung washer with an 8C code?

The washer may stop or refuse to spin until the problem is fixed. Even if it runs, it can't monitor shaking properly, so it's best to get it repaired before relying on it.

Does an unbalanced load cause the 8C code?

An unbalanced load usually shows a different code. 8C points to a problem with the vibration sensor or its wiring, not the load itself. Still, very heavy shaking over time can loosen the sensor connection.

Error codes › Washer › Samsung

Samsung Washer 8C Error Code

MEMS vibration sensor error

Applies to: Models equipped with MEMS vibration sensor. May also appear as 8E, 8E1, BE, BE1, BC, 8C1, 8C2, 1 8C.

What's going on

On a Samsung washer, the 8C code means the washer can't get a good signal from its MEMS vibration sensor. This small sensor sits on the tub and tells the washer how much the drum is shaking. The cause is usually a loose or damaged sensor wire harness, or a sensor that has failed.

Some Samsung washers use a MEMS vibration sensor mounted on the tub. It measures how much the drum moves and shakes, mostly during spin. The control board uses this reading to slow the spin or rebalance the load before shaking gets out of hand.

If the board stops getting a signal from the sensor, or the signal makes no sense, it shows 8C. Without this reading, the washer can't safely judge spin speed. It may stop the cycle or refuse to spin. This code applies only to models that have a MEMS vibration sensor. Codes can vary between model generations, so confirm with your model number.

Likely causes

sensor wire harness — The wires and plug that connect the sensor to the control board can work loose or get damaged as the tub moves. A poor connection cuts off the signal and triggers 8C.
MEMS vibration sensor — The sensor itself can fail over time. When it stops sending a proper reading, the board can't measure tub movement and shows the code.

The same code can mean different things on different model generations. Check the model number on your washer's rating plate before ordering parts.

Can you fix it yourself?

Doable for an experienced DIYer with the right part, but many people still call a technician.

Safe things to check first

Power-cycle the washer. Unplug it or switch off its breaker, wait a few minutes, then restore power and run a short cycle to see if the code returns.
Check that the washer sits level and all four feet touch the floor firmly. Heavy rocking can stress the sensor wiring over time.
Make sure no shipping bolts are still installed on the back if the washer is new or was recently moved.
Listen during spin for loud banging or knocking. Note it for the technician, since it can point to loose parts near the sensor.

When to call a technician

If the code comes back after a power reset, the sensor or its wiring likely needs attention. A handy owner with the right part may manage it after unplugging the washer, but call a qualified appliance technician if you're not comfortable opening the washer or if the code remains after replacing the sensor.

What the repair usually costs

$200–$500

Control board replacement, parts and labor — national reference range

Confidence: low (based on a single cost guide — treat as a rough guide). Plus a service call fee of about $50–$100, often credited toward the repair.

This is not a quote. Prices vary by region and by model.

Repair or replace?

Repair usually makes sense. Even the high end of this repair stays under $500, about half the price of a typical new washer.

A typical new washer costs about $700–$1,300.

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Common questions

What does 8C mean on a Samsung washer?: 8C means: MEMS vibration sensor error. The most likely parts involved are MEMS vibration sensor, sensor wire harness.
How much does it cost to fix 8C?: A typical control board replacement costs about $200–$500 nationally, parts and labor included. This is a reference range, not a quote — local prices vary.
Should I repair or replace my washer?: Repair usually makes sense. Even the high end of this repair stays under $500, about half the price of a typical new washer.
Can I fix 8C myself?: Doable for an experienced DIYer with the right part, but many people still call a technician.
Can I keep using my Samsung washer with an 8C code?: The washer may stop or refuse to spin until the problem is fixed. Even if it runs, it can't monitor shaking properly, so it's best to get it repaired before relying on it.
Does an unbalanced load cause the 8C code?: An unbalanced load usually shows a different code. 8C points to a problem with the vibration sensor or its wiring, not the load itself. Still, very heavy shaking over time can loosen the sensor connection.