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Error code reference

Samsung Air Conditioner Error Code E246

Outdoor unit sensor error

Samsung codesSamsung air conditioner codes
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What the E246 error code actually means

Your Samsung air conditioner has detected a problem with a temperature sensor located in the outdoor unit, specifically the one that monitors how cold or hot the refrigerant is after it passes through the outdoor coil. The system ran a self-check and found that the sensor is either not responding or sending a bad reading. A technician will need to inspect the sensor's wiring and test the sensor itself to determine if it needs to be repaired or replaced.

Diagnostic procedure

The full E246 procedure

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1
First diagnostic step
Check sensor connection; applies during try-run mode.
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Most common causes of E246

Ranked by how often they cause this code
  1. 1Loose or disconnected sensor connector
  2. 2Failed condenser out thermistor
  3. 3Damaged wiring harness
  4. 4Corroded or oxidized connector pins
  5. 5Faulty outdoor unit control board

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Questions people ask about E246

What does E246 mean on a Samsung air conditioner?
E246 indicates an error with the condenser outlet temperature sensor in the outdoor unit. The system's self-diagnosis routine, which runs during try-run mode, has detected that the sensor circuit is either shorted or open. This means the control board is not receiving a valid temperature signal from that sensor, which can prevent normal operation.
Will resetting the unit clear the E246 error?
A power reset may temporarily clear the code, but if the condenser out sensor or its wiring has an actual fault, the error will return when the unit performs its try-run self-diagnosis again. Resetting without addressing the root cause is not a lasting fix and may delay necessary repairs.
How much does it cost to repair a Samsung air conditioner with error E246?
Repair costs vary depending on whether the issue is a loose connector, a damaged harness, or a failed sensor or control board. A simple connector reseating during a service call might cost between $75 and $150 in labor. Replacing the condenser out thermistor typically adds parts costs in the $20 to $80 range. If the outdoor control board is at fault, total repair costs including parts and labor can range from $200 to $500 or more depending on the model.
Can I fix E246 on my Samsung air conditioner myself?
Some basic steps, such as checking whether the sensor's wiring connector is securely attached and inspecting for obvious wire damage, can be done by a knowledgeable DIYer. However, testing sensor resistance and replacing components inside the outdoor unit requires comfort with electrical testing and familiarity with refrigerant system components. If you are not confident with these tasks, it is best to call a certified HVAC technician.
Is it safe to run my Samsung air conditioner with error code E246 active?
Running the system while this error is active is not recommended. The condenser out sensor provides critical temperature data that the control board uses to protect the compressor and refrigerant circuit. Operating without a valid sensor signal can lead to undetected overheating conditions or compressor damage over time.

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