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Error code reference

Samsung Oven Error Code C-41

Steam sensor is open when the steam mode is on.

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What the C-41 error code actually means

Your Samsung oven is showing C-41 because it cannot get a reading from the steam sensor while trying to run a steam cooking cycle. This is usually caused by a loose wire connection or a failed sensor component. The oven cannot safely run steam mode without this sensor working, so it shuts the function down and displays the error.

Diagnostic procedure

The full C-41 procedure

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1
First diagnostic step
Check whether connector at the main PCB has been inserted. Check whether connector at the sensor has been inserted. If connector at the Main PCB and the sensor are inserted correctly, replace the temperature sensor. If the problem is still not solved, replace the Main PCB.
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Most common causes of C-41

Ranked by how often they cause this code
  1. 1Loose or disconnected connector at the main PCB
  2. 2Loose or disconnected connector at the steam sensor
  3. 3Failed steam sensor (open internally)
  4. 4Damaged wiring harness between sensor and PCB
  5. 5Failed main PCB

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Questions people ask about C-41

What does C-41 mean on a Samsung oven?
C-41 indicates that the steam sensor circuit is reading as open while the oven is in steam mode. This means the main control board is not receiving any signal from the steam sensor, which is required for the steam cooking function to operate safely. The cause is typically a loose connector, a failed sensor, or in less common cases, a faulty main PCB.
Will resetting my Samsung oven clear the C-41 error?
A power reset by unplugging the oven or shutting off the circuit breaker for a few minutes may temporarily clear the display, but if the underlying cause is a faulty sensor or loose connection, the error will return as soon as steam mode is activated again. The root cause needs to be addressed for the error to stay cleared permanently.
How much does it cost to repair a Samsung oven showing C-41?
If the fix is simply reseating a loose connector, there is no parts cost involved. Replacing the steam sensor typically runs in the range of $30 to $80 for the part, depending on the model. If the main PCB needs to be replaced, parts costs generally range from $150 to $350 or more, and professional labor will add to the total if you are not performing the repair yourself.
Can I fix C-41 on my Samsung oven myself?
In many cases, yes. Start by checking that the wiring connectors at both the main PCB and the steam sensor are fully seated and secure. This requires accessing internal components, so you should unplug the oven before inspecting anything. If reseating the connectors does not clear the error, the next step is replacing the steam sensor, which is a part a technically comfortable DIYer can often handle.
Is it safe to use my Samsung oven while C-41 is displayed?
The C-41 error specifically prevents the steam function from operating correctly, so steam cooking modes should not be used until the fault is resolved. Standard bake and broil functions that do not rely on the steam sensor may still be available, but running the oven in steam mode without a functional sensor is not advisable since the system cannot properly monitor the steam cycle.

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