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Error code reference

Samsung Oven Error Code C-22

Oven sensor is shorted when the oven is operating.

Samsung codesSamsung oven codes
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What the C-22 error code actually means

Your Samsung oven is showing C-22 because the temperature sensor inside the oven cavity is sending an abnormal signal to the control board, which has stopped the oven from operating safely. This is usually caused by a faulty temperature sensor or a loose wiring connection. A technician can diagnose and fix this relatively quickly by checking the wiring and replacing the sensor if needed.

Diagnostic procedure

The full C-22 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 connectors 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-22

Ranked by how often they cause this code
  1. 1Faulty oven temperature sensor
  2. 2Loose or unseated connector at the sensor
  3. 3Loose or unseated connector at the main PCB
  4. 4Damaged wiring harness
  5. 5Failed main PCB

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Questions people ask about C-22

What does C-22 mean on a Samsung oven?
C-22 indicates that the oven temperature sensor has shorted while the oven is operating. The sensor is responsible for relaying cavity temperature data to the control board, and a short in that circuit causes the oven to shut down and display this code. The issue can involve the sensor itself, its wiring connectors, or in some cases the main control board.
Is it safe to use my Samsung oven while C-22 is displayed?
No, you should not use the oven while C-22 is active. The error means the control board cannot accurately read the oven cavity temperature, so it has no way to regulate heat safely. Continuing to operate the oven under these conditions risks overheating and potential damage to the appliance.
How much does it cost to repair a Samsung oven C-22 error?
Repair costs depend on which component has failed. A replacement temperature sensor typically runs in the range of $20 to $60 for the part, while professional labor can add $80 to $150 or more depending on your area. If the main PCB requires replacement, part costs alone can range from $100 to $300 or higher, making the total repair more expensive.
Can I fix the C-22 error myself?
Some causes of C-22 are DIY-accessible. Start by unplugging the oven and checking that the wiring connectors at both the sensor and the main PCB are fully seated. If reseating the connectors does not clear the error, the temperature sensor can be replaced by a knowledgeable DIYer with basic tools. Main PCB replacement is more involved and may be better handled by a technician.
Will resetting the oven clear the C-22 error code?
Unplugging the oven for a few minutes and restoring power may temporarily clear the display, but if the underlying fault in the sensor or wiring remains, the C-22 code will return as soon as the oven begins to operate. A reset alone is not a repair and should not be relied on as a solution.

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