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Error code reference

Samsung Washer Error Code 9C2

Power error due to incorrect operating voltage (under or over voltage), use of plug receptacle causing voltage drop, or main PBA fault.

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What the 9C2 error code actually means

Your Samsung washer is detecting that the electrical power coming into the machine is not at the right level, either too low or too high. This is often caused by a worn outlet, a loose plug connection, or something else on the same circuit pulling too much power. In rarer cases, the washer's own internal control board may have failed and is incorrectly reporting a power problem.

Diagnostic procedure

The full 9C2 procedure

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1
First diagnostic step
Check the consumer's power conditions and verify operating voltage.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of 9C2

Ranked by how often they cause this code
  1. 1Faulty or worn wall outlet
  2. 2Voltage drop from undersized or shared circuit
  3. 3Use of an extension cord
  4. 4Incoming utility voltage out of range
  5. 5Main PBA (control board) failure

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Questions people ask about 9C2

What does 9C2 mean on a Samsung washer?
The 9C2 code on a Samsung washer signals a power error caused by incorrect operating voltage reaching the machine. This can result from undervoltage or overvoltage conditions at the wall outlet, voltage drop caused by a worn receptacle or extension cord, or a fault within the washer's main control board (PBA). The machine stops operation to protect its internal components when this condition is detected.
Is it safe to keep using my washer when the 9C2 code appears?
No, you should not continue running the washer while this code is active. Operating on incorrect voltage can damage the motor, control board, and other internal components. The machine halts operation specifically to avoid this kind of damage, so address the underlying power issue before resuming use.
Will resetting the washer clear the 9C2 error code?
A reset may temporarily clear the display, but the code will return if the underlying power condition is not corrected. To reset, unplug the washer for about one minute and then plug it back in. If the voltage issue at the outlet is still present or the control board is faulty, the 9C2 error will reappear during or before the next cycle.
Can I fix the 9C2 error myself?
In many cases, yes. Start by plugging the washer directly into a dedicated wall outlet if it is connected through an extension cord or power strip. Check the outlet for looseness or damage, and use a multimeter to verify the voltage under load. If the outlet and supply voltage are normal and the code continues, the repair may require replacing the main PBA, which is a more involved job that some DIYers can handle but others may prefer to leave to a technician.
How much does it cost to repair a 9C2 error on a Samsung washer?
If the cause is a faulty wall outlet or wiring issue, an electrician's repair typically runs between $75 and $250 depending on the extent of the work. If the main PBA needs replacement, parts alone generally range from $100 to $300, with professional labor adding another $100 to $200 on top of that. Diagnosing the root cause first helps avoid paying for parts that are not needed.

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