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Error code reference

Samsung Air Conditioner Error Code 246

Outdoor COND OUT temperature sensor dislocation error (RD040/050 model).

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Outdoor COND OUT temperature sensor dislocation error (RD040/050 model).

First step from the service manual

Check if the outdoor COND OUT sensor is mounted in the right position.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 246 means on a Samsung air conditioner

Samsung error code 246 on RD040/050 model outdoor units indicates a COND OUT temperature sensor dislocation error. The COND OUT sensor monitors the temperature at the condenser outlet, providing the control board with real-time thermal data used to regulate refrigerant flow, compressor operation, and overall system efficiency. When the unit detects that this sensor has moved out of its designated mounting position, it flags error 246 to alert technicians that accurate temperature readings can no longer be guaranteed.

The dislocation error is distinct from a sensor failure or wiring fault. Rather than indicating a broken or shorted sensor, error 246 specifically points to a physical positioning problem. If the COND OUT sensor is not seated correctly against the condenser pipe or bracket, its readings will not accurately reflect actual refrigerant temperatures at the condenser outlet. This can cause the control board to make incorrect decisions about system operation, potentially leading to inefficiency, compressor stress, or nuisance shutdowns.

The primary diagnostic step is a physical inspection of the outdoor unit. Technicians should verify that the COND OUT sensor is secured firmly in its correct mounting location on the condenser outlet line, that the sensor clip or bracket is intact, and that no vibration or prior service work has caused the sensor to shift. Once repositioned correctly, the system should be restarted to confirm the error clears and temperature readings return to expected values.

Source: manufacturer service documentation.

Common causes of 246

  1. 01

    Sensor physically displaced from mounting point

    Wiring / connection

    The COND OUT sensor has slipped, vibrated loose, or been knocked out of its correct position on the condenser outlet line. Inspect the sensor clip or bracket and confirm the sensor is seated firmly against the designated contact point.

  2. 02

    Damaged or broken sensor clip or bracket

    Part replacement

    The retaining clip or bracket that holds the COND OUT sensor in place may be cracked or missing, preventing the sensor from staying in position. If the mounting hardware is damaged, it will need to be replaced to keep the sensor correctly secured.

  3. 03

    Sensor displacement from previous service work

    Wiring / connection

    If the outdoor unit was recently serviced or cleaned, the COND OUT sensor may have been inadvertently moved during the work. Review any recent maintenance activity and check sensor positioning as part of post-service verification.

  4. 04

    Vibration-induced sensor migration

    Wiring / connection

    Prolonged unit operation can cause vibration that gradually shifts sensor leads or clips over time. Check that all sensor securing points are tight and that the sensor wire has not been routed in a way that puts tension on the sensor head.

  5. 05

    Faulty sensor requiring replacement

    Part replacement

    If the sensor body or its lead wire is physically damaged in addition to being displaced, repositioning alone will not resolve the error. Inspect the sensor for visible damage and replace it if the housing or wiring is compromised.

See the test procedure for each cause

Frequently asked questions about 246

What does 246 mean on a Samsung air_conditioner?
Error code 246 on a Samsung RD040/050 outdoor unit indicates that the COND OUT temperature sensor has been detected in an incorrect mounting position. This sensor monitors refrigerant temperature at the condenser outlet, and if it is not properly seated, the unit cannot rely on its readings. The system flags this error to prevent inaccurate temperature data from causing operational problems or equipment damage.
How do I fix error code 246 on my Samsung air conditioner?
Begin by inspecting the outdoor unit to locate the COND OUT temperature sensor on the condenser outlet line. Confirm that the sensor is seated correctly in its designated mounting position and that the retaining clip or bracket is intact and secure. If the sensor has shifted, reposition it carefully and restart the unit to see if the error clears. If the mounting hardware is broken or the sensor itself is damaged, those components will need to be replaced before the error will resolve.
Is error code 246 on a Samsung air conditioner dangerous?
Error code 246 is not an immediate safety emergency, but it should be addressed promptly. A mispositioned COND OUT sensor means the control board is not receiving accurate temperature data from the condenser outlet, which can cause the system to operate outside of optimal parameters. Continued operation in this condition could place unnecessary stress on the compressor over time.
Will resetting my Samsung air conditioner clear error code 246?
A simple power reset will typically not permanently clear error code 246 because the underlying cause is a physical sensor positioning problem. The unit may restart briefly after a reset, but the error will return as long as the COND OUT sensor remains out of its correct mounting position. The sensor must be physically inspected, repositioned, and secured before the error will stay cleared.
How much does it cost to repair error code 246 on a Samsung air conditioner?
If the repair only requires repositioning the existing sensor, labor costs are generally modest, typically in the range of $75 to $150 depending on local service rates and how quickly the technician can access the sensor. If the sensor retaining hardware or the sensor itself needs replacement, parts costs can add $20 to $100 or more to the total. Diagnostic fees may also apply depending on the service provider.

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