Samsung Air Conditioner Error Code 152

Error code 152 indicates a second closing error of the indoor electronically operated valve (EEV). The system attempted to command the EEV to its closed position twice and did not receive confirmation that the valve closed correctly. This fault protects the refrigeration circuit and will prevent normal operation until the underlying issue is resolved.

A reset of the outdoor unit using the K3 reset procedure is a recommended diagnostic step after addressing any identified wiring or component issues. If the root cause, such as a loose connector or failed coil, has not been corrected, the error will return after reset. A successful reset that does not recur indicates the fault condition was resolved.

Repair costs depend on the specific cause. If only a wiring connector needs reseating, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the EEV coil or the full valve assembly requires replacement, parts and labor combined can range from $200 to $600 or more depending on the unit model and local labor rates.

Some basic checks are within reach of a knowledgeable DIYer, such as inspecting the EEV wire harness connector at the PCB for looseness or visible corrosion and reseating it. However, testing coil resistance, checking for internal valve damage, and performing the outdoor unit K3 reset procedure typically require familiarity with refrigeration systems and electrical testing equipment. If the wiring connection looks fine, a qualified technician should handle further diagnosis and any component replacement.

Running the unit with an active EEV closing error is not recommended. An EEV that cannot close properly can cause incorrect refrigerant distribution, leading to compressor damage, reduced efficiency, or further component failures. The unit should be taken out of service until the valve and associated wiring are inspected and the fault is cleared.