Seeing **BC2** on a Samsung washing machine narrows the problem to **model/region dependent: mems / vibration sensor error; stuck button / control input error**. What you do next depends on whether the code is an issue, a normal status/test message, or a model-dependent interpretation. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **BC2**. Search normalization stores it as **BC2** while preserving the characters a homeowner actually sees.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so BC2 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Seeing **BC2** on a Samsung washing machine narrows the problem to **model/region dependent: mems / vibration sensor error; stuck button / control input error**. What you do next depends on whether the code is an issue, a normal status/test message, or a model-dependent interpretation. The useful diagnostic value of the code is the subsystem it identifies. A good repair process confirms the symptom, checks the accessible external conditions, and then follows the model-specific circuit only if the display returns. The recorded display form is **BC2**. Search normalization stores it as **BC2** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
One clue that supports the BC2 diagnosis is that the control is not receiving an expected sensor signal or the signal is outside its accepted range.
Depending on the exact model, the appliance can stop a feature, limit operation, or repeat the code during the same stage.
The BC2 display becomes more meaningful if the affected function can behave intermittently if the signal or connection is unstable.
Depending on the exact model, bC2 appears during the washer stage associated with mems / vibration sensor error.
Depending on the exact model, the cycle may pause, stop, retry, drain, or refuse to advance until the condition is cleared.
Why it happens
Possible causes
see exact model manual — some US models — MEMS / vibration sensor error
see exact model manual — some RU/EU models — Stuck button / control input error
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
To rule out an accessible cause, photograph the code and note the exact operating stage when it appears.
Before opening any service area, check only user-accessible conditions that can physically affect the monitored function.
The next non-invasive check is to avoid replacing a sensor solely from the display; wiring, connectors, supply conditions, and the control can create the same result.
Before opening any service area, record the code and the cycle stage where it appears.
Before opening any service area, check owner-accessible water supply, drain hose/filter, load balance, door, detergent, or power only when relevant.
With BC2 recorded, power-cycle once only where Samsung's guidance recommends it; if the same code reappears, move to model-specific diagnosis.
Important safety warning. When working around a washing machine that shows BC2, keep the checks external and non-invasive. Disconnect power and stop use for active leakage near electrical parts, smoke, burning smell, or repeated breaker trips.
Get help
When to request repair service
Once BC2 has returned after the safe checks, If the code returns, model-specific sensor, harness, connector, and control-board testing is appropriate. Preserve any accompanying noise, water level, temperature, or operating-stage details for the technician.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Model/region dependent: MEMS / vibration sensor error; Stuck button / control input error. Check the model-specific interpretation section below because Samsung publishes more than one verified meaning for this appliance+code key.
You can try the one reset Samsung documents for the model, but **BC2** returning afterward means the condition still exists. Note the operating stage instead of cycling power repeatedly.
Continue only if the appliance is otherwise safe and the owner-level checks are appropriate. Stop for leakage near electrical parts, smoke, burning odor, arcing, gas concerns, repeated breaker trips, uncontrolled heating, or unsafe temperatures.
The code alone is not enough to justify a part. **BC2** should narrow testing to the affected function; the final cause still has to be verified on the exact model.
Official Samsung support itself assigns different meanings to this code in different model/region contexts, so the exact model number matters. This page therefore keeps **Washer BC2** separate from same-looking codes used by other Samsung appliance families.
