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Error code reference

Samsung Air Conditioner Error Code 261

Digital compressor discharge temperature sensor dislocation error.

Samsung codesSamsung air conditioner codes

Digital compressor discharge temperature sensor dislocation error.

First step from the service manual

Check if the digital compressor discharge temp 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 261 means on a Samsung air conditioner

Error code 261 on a Samsung air conditioner indicates a digital compressor discharge temperature sensor dislocation error. This means the system has detected that the discharge temperature sensor, which monitors the temperature of refrigerant gas leaving the digital compressor, is not properly seated or positioned at its designated measurement point. The digital compressor is a variable-speed inverter-driven compressor, and accurate discharge temperature readings are critical for protecting it from overheating and maintaining correct refrigerant cycle operation.

The most likely cause of this error is physical displacement of the sensor from its mounting clip or bracket on the compressor discharge line. If the sensor shifts away from direct contact with the discharge pipe, it reads ambient temperature rather than actual discharge temperature, and the control board flags this as a dislocation condition. Vibration from the compressor, improper installation after previous servicing, or a damaged mounting clip can all lead to this condition.

Diagnosing this error starts with a physical inspection of the discharge temperature sensor on the digital compressor. The sensor must be firmly secured in its designated mounting position with full contact against the discharge pipe. If the sensor has slipped, it should be repositioned and secured. If the mounting hardware is damaged or the sensor wire is broken, replacement parts will be necessary before the error will clear.

Source: manufacturer service documentation.

Common causes of 261

  1. 01

    Sensor physically displaced from mounting position

    Wiring / connection

    The discharge temperature sensor has slipped or vibrated out of its designated clip or bracket on the compressor discharge line. Inspect the sensor to confirm it is seated flush against the pipe at the correct mounting point.

  2. 02

    Damaged or broken mounting clip

    Part replacement

    The clip or bracket that holds the sensor against the discharge pipe may be cracked or missing, preventing the sensor from maintaining proper contact. A replacement clip or new sensor assembly will be needed.

  3. 03

    Improper reinstallation after prior service

    Wiring / connection

    If the unit was recently serviced and the sensor was disconnected or removed, it may not have been fully reseated in the correct position. Review the sensor location and reinstall it properly.

  4. 04

    Damaged sensor wire or connector

    Part replacement

    A pinched, frayed, or disconnected wire between the discharge temperature sensor and the control board can cause signal anomalies that trigger a dislocation error. Inspect the wire harness and connector for visible damage.

  5. 05

    Faulty discharge temperature sensor

    Part replacement

    If the sensor itself has failed and is outputting an out-of-range signal even when properly positioned, the control board may interpret this as a dislocation condition. Replacing the sensor is required if repositioning does not resolve the error.

See the test procedure for each cause

Frequently asked questions about 261

What does 261 mean on a Samsung air conditioner?
Error code 261 on a Samsung air conditioner indicates a digital compressor discharge temperature sensor dislocation error. This means the control board has determined that the sensor monitoring discharge temperature at the compressor is not in its correct position. The system flags this to prevent the compressor from running unprotected without accurate temperature data. A physical inspection of the sensor mounting is the required first step.
Can I fix error code 261 on my Samsung air conditioner myself?
If you are comfortable working on outdoor HVAC equipment, you can inspect the discharge temperature sensor on the digital compressor to see if it has simply slipped out of its mounting position and reseat it yourself. However, if the mounting hardware is broken, the sensor wire is damaged, or the sensor itself needs replacement, a qualified technician should handle the repair. Working around the compressor and refrigerant lines carries safety risks and requires proper knowledge of the equipment.
Is it safe to run my Samsung air conditioner with error code 261 active?
It is not advisable to continue operating the unit with error code 261 active. The discharge temperature sensor protects the digital compressor from overheating, and if it is out of position, the control board cannot accurately monitor compressor temperatures. Running the system in this condition risks compressor damage, which is a costly repair. Address the sensor issue before resuming normal operation.
How much does it cost to repair a Samsung air conditioner error code 261?
If the sensor only needs to be repositioned in its mounting clip with no parts required, the cost would primarily cover a service call fee, typically in the range of $75 to $150. If the sensor, mounting hardware, or wiring harness needs replacement, parts and labor combined could range from $150 to $400 depending on the model and your location. A compressor replacement, if delayed diagnosis leads to compressor damage, would be significantly more expensive.
Will resetting my Samsung air conditioner clear error code 261?
A simple power reset may temporarily clear the error code, but it will return if the underlying problem with the sensor position or condition is not corrected. The control board will re-detect the dislocation condition once the unit attempts to operate and reads the sensor signal again. The root cause must be physically resolved by inspecting and correcting the sensor mounting before the error will stay cleared.

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