Warning: Disconnect power before servicing.
ErrBase

Samsung Washer 8C Error Code: Vibration Sensor Fault

Quick Answer

8C means Samsung's built-in vibration sensor has either malfunctioned or been disconnected. This sensor monitors drum vibration during spin and feeds data to the control board for active balancing. A failed sensor triggers 8C even if the machine is mechanically sound.

8C means Samsung's built-in vibration sensor has either malfunctioned or been disconnected. This sensor monitors drum vibration during spin and feeds data to the control board for active balancing. A failed sensor triggers 8C even if the machine is mechanically sound. Check the sensor wiring harness first before replacing the sensor, as connector corrosion is a common cause on machines over 5 years old.

SamsungWasherSeverity: moderateDifficulty: advanced78% DIY Success
Time to Fix
45–120 min
Difficulty
advanced
Parts Cost
$25 – $350
Tools Needed
Multimeter, Torx T20 screwdriver

What Does the 8C Code Mean?

The MEMS vibration sensor is a small circuit board mounted on the machine frame. 8C appears when its signal is absent or abnormal. Wiring harness issues are more common than sensor failure outright.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Vibration sensor wiring harness disconnected or corroded40%
Vibration sensor circuit board failed24%
Excessive vibration from worn tub bearing confusing sensor reading22%
Main control board unable to process sensor signal14%

Symptoms You May Notice

  • 8C code at spin cycle start
  • Machine runs wash cycle normally but stops before spin
  • Machine spins at low speed only and displays 8C

Can you reset a Samsung washer to clear the 8C code?

Unplug for 60 seconds after completing the repair. 8C will not clear until the underlying sensor issue is resolved. Simply resetting without fixing the sensor will result in immediate recurrence.

Tools Required for Diagnosis

MultimeterTorx T20 screwdriverPhillips screwdriver

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Unplug the washer and access the vibration sensor

Unplug the washer and access the vibration sensor. On most Samsung front-load models it is mounted on the rear panel or lower side panel. Locate its wiring harness connector and check for corrosion, bent pins, or loose fit.

2

With the washer plugged in and running a spin cycle (carefully

3

While the machine is unplugged

4

Replace vibration sensor DC93-00088A if sensor signal test

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
MEMS Vibration SensorDC93-00088A · $25–$45
Main Control BoardDC92-01803A · $200–$350

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
BORDERLINE
Estimated Cost: $188 (Parts) vs $750 (New Machine)

Frequently Asked Questions

What is the MEMS vibration sensor on a Samsung washer?
MEMS stands for microelectromechanical system. It is a small accelerometer mounted on the washer cabinet that measures drum vibration and sends real-time data to the control board. Samsung uses this to actively adjust spin speed and balance, which is why Samsung washers are quieter than many competitors at high spin speeds.
Can I run my Samsung washer with 8C by using a lower spin setting?
Some models will allow low-speed spin with the sensor error present. If the machine permits it, you can use a gentle or low spin setting temporarily. Full-speed spin may be blocked until the sensor is replaced.

Related Samsung Washer Error Codes

Code: 8ESamsung Washer 8E Error Code: Frequency/Sensor FaultCode: UBSamsung Washer UB Error Code: Unbalanced Load

Same Fix Works on These Brands

Samsung shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Samsung washerSamsung Washer 3C2 Error Code: Motor StallSamsung washerSamsung Washer 3E Error Code: Motor FaultSamsung washerSamsung Washer 4C Error Code: No Water SupplySamsung washerSamsung Washer 4E Error Code: Water Supply Fault (Top Load)Samsung washerSamsung Washer 5C Error Code: Drain Error (Older Display)Samsung washerSamsung Washer 8E Error Code: Motor Frequency Sensor Fault

Models Known to Experience 8C Errors

This repair applies to most Samsung washers with this error code. Common model numbers include:

WF45R6100AW, WF45T6000AW, WF45R6300AW, WF50R8500AV, WF45H5200AW

Last verified for technical accuracy on March 14, 2026