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Error code reference

LG Refrigerator Error Code 23E

C-FAN (Condenser Fan) Error

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What the 23E error code actually means

The 23E code means your refrigerator's condenser fan, a small motor that helps cool the system, is not working correctly or the refrigerator cannot communicate with it properly. This can cause the fridge to stop cooling efficiently because heat is not being removed from the system. A technician will need to inspect the fan motor and its wiring to determine the exact cause.

Diagnostic procedure

The full 23E procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Measure voltage between Main PCB CN76-5 (Sky-blue) and CN76-1 (Gray); should read between 7V and 12V.
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 23E

Ranked by how often they cause this code
  1. 1Loose or disconnected wiring harness
  2. 2Failed condenser fan motor
  3. 3Damaged or chafed motor wiring
  4. 4Debris obstructing the fan blade
  5. 5Faulty main PCB

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Questions people ask about 23E

What does 23E mean on a LG refrigerator?
The 23E code indicates a condenser fan error. It is triggered when the main PCB detects a problem with the feedback signal from the condenser fan motor, which can be caused by a wiring contact fault, a disconnected motor wire, or a motor that has failed during operation. The condenser fan is critical for removing heat from the system, so this error can lead to cooling problems if not addressed promptly.
Is it safe to keep using my refrigerator while it shows a 23E error?
Continued use is not recommended. Without a functioning condenser fan, heat cannot be properly removed from the refrigerant circuit, which can cause the compressor to overheat and sustain damage. Food safety is also at risk if the refrigerator loses its ability to maintain proper temperatures. It is best to address the error as quickly as possible.
How much does it cost to repair a LG refrigerator showing a 23E error?
Repair costs depend on the root cause. If the fix is simply reseating a loose connector or clearing debris from the fan, you may have no parts cost at all, though a service call typically runs between $75 and $150. A replacement condenser fan motor generally costs between $30 and $90 for the part, with labor adding to the total. If the main PCB needs replacement, total repair costs can range from $200 to $400 or more depending on the specific model.
Can I fix the 23E error myself on a LG refrigerator?
Some causes of the 23E error are DIY-friendly. You can safely inspect the condenser fan area for debris or obstructions and check that the wiring harness connectors are fully seated. However, diagnosing the fault precisely requires a multimeter to measure voltage at PCB connector CN76, which is better suited to technicians or experienced DIYers comfortable working near electrical components. Motor replacement also requires disassembly of the rear panel or base compartment depending on your model.
Will resetting my LG refrigerator clear the 23E error?
A reset may temporarily clear the error code from the display, but it will not fix the underlying hardware fault. If the condenser fan motor, its wiring, or the feedback signal line has a physical problem, the 23E code will return once the refrigerator resumes normal operation and the PCB detects the fault again. A reset is only useful as a first step to confirm whether the fault is intermittent.

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