mypros+
Error code reference

Samsung Refrigerator Error Code 23C

C-Fan (machine compartment fan) error-feedback signal line contact error, motor wire separation, or motor error while the fan motor is operating.

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the 23C error code actually means

Your Samsung refrigerator is detecting a problem with the fan in the back compartment that keeps the cooling system from overheating. The fridge either cannot communicate with this fan, the wiring to it is damaged, or the fan motor itself has failed. If this fan stops working, your refrigerator may stop cooling properly and the compressor could overheat.

Diagnostic procedure

The full 23C procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check the voltage of MAIN PCB CN74 pins 1 and 6; should be between 7V-12V.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 23C procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of 23C

Ranked by how often they cause this code
  1. 1Loose or corroded wiring harness connector
  2. 2Broken or separated motor wire
  3. 3Failed C-Fan motor
  4. 4Feedback signal line fault
  5. 5Faulty main PCB

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about 23C

What does 23C mean on a Samsung refrigerator?
Error code 23C indicates a problem with the C-Fan, which is the condenser fan motor in the machine compartment. The error is triggered when the main PCB detects a contact fault in the feedback signal line, a separated motor wire, or an internal motor failure. This fan is critical for cooling the condenser coils, and a failure can cause the refrigerator to stop cooling or the compressor to overheat.
Is it safe to use my Samsung refrigerator when it shows error code 23C?
Running the refrigerator with a 23C error is not recommended for extended periods. Without a functioning condenser fan, heat cannot be properly dissipated from the machine compartment, which can cause the compressor to overheat and fail. Food safety may also be compromised if the refrigerator loses its ability to maintain proper temperatures.
Will resetting my Samsung refrigerator clear the 23C error code?
A reset, typically performed by unplugging the refrigerator for a few minutes and restoring power, may temporarily clear the 23C code. However, if the underlying fault such as a bad motor, broken wire, or faulty connector has not been corrected, the error will return. A reset is useful for confirming whether the fault is intermittent, but it is not a repair and should be followed by proper diagnostics.
Can I fix error code 23C myself?
Some causes of the 23C error are DIY-friendly, such as reseating a loose connector or replacing a damaged wiring harness. The first step is measuring voltage at CN74 pins 1 and 6 on the main PCB to determine if the board is supplying power correctly. If the wiring is intact and voltage is in range, replacing the C-Fan motor is a moderate-difficulty repair that many experienced DIYers can complete with basic tools.
How much does it cost to repair a Samsung refrigerator with error code 23C?
If only a wiring connector needs reseating or a short harness section needs repair, the cost can be minimal, covering just your time or a small connector kit. A replacement C-Fan motor typically costs between $30 and $80 for the part alone. If a professional technician is needed, total repair costs including labor generally range from $150 to $350 depending on what component has failed.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass