Samsung Air Conditioner Error Code E262

E262 indicates that the temperature difference between the digital compressor discharge sensor and the fixed compressor 1 discharge sensor has exceeded 40 degrees Celsius. This is most commonly caused by the digital compressor discharge sensor physically separating from the discharge pipe. The system flags this condition because such a large differential points to a sensor reading problem rather than a real operating state. The fault protects the system from running with unreliable temperature data.

It is not advisable to continue operating the unit while E262 is active. The error indicates the control system cannot trust the discharge temperature data from the digital compressor, which means it cannot properly protect the compressor from overheating or other fault conditions. Continued operation without accurate temperature monitoring risks compressor damage, which is a far more expensive repair.

If only the sensor needs to be reattached at no parts cost, you may only pay a service call fee, typically in the range of 75 to 150 dollars. Replacing a failed discharge temperature thermistor sensor generally adds a parts cost in the range of 20 to 80 dollars plus labor. If a wiring harness or control board is involved, total repair costs can range from 150 to 400 dollars or more depending on the specific components and labor rates in your area.

If the discharge temperature sensor has simply come loose from the pipe, a knowledgeable homeowner or DIYer can reattach and secure it, which is the first recommended diagnostic step. However, if the fault persists after reseating the sensor, testing thermistor resistance and inspecting wiring requires basic electrical diagnostic skills and a multimeter. Any work involving the refrigerant circuit must be performed by a certified HVAC technician.

A power reset may temporarily clear the displayed error, but the code will return if the underlying cause has not been corrected. If the sensor is physically separated, it will continue to read incorrectly after reset and trigger the fault again. The sensor must be inspected, reattached, and confirmed secure before the system will operate normally and keep the error cleared.