Dyson BP02 Air Purifier Odor Issue

I purchased a Dyson Purifier Big+Quiet BP02 from the Dyson online store on 02.12.2025. Shortly after I started using the device, it began to emit an unpleasant and disturbing odor. I followed all the instructions in the user manual, including operating the device continuously for 48 hours, but the problem did not improve. On 02.02.2026, I sent the product to the authorized service center for the first time due to this odor problem. The filter was replaced and the device was returned to me; however, the same issue reoccurred in a short time. Within the span of one month, I had to send the product to the service center three times for the same fault. During these service processes, the device was also returned to me in a damaged condition, with scratches and breakages. As a result of the repeated faults and the condition of the device, a replacement was approved and a new product was delivered to me on 05.03.2026. Unfortunately, the replacement Dyson Purifier Big+Quiet BP02 also has the same odor problem. Despite sending this replacement device to the service again, I was informed that “no odor was detected” and that there was allegedly no issue. In addition, the device was returned to me in exactly the same packaging in which I had sent it, which clearly shows that it was not properly tested or even removed from the box, and a false service report was prepared stating that no problem was found. At this point, despite multiple service attempts and even a product replacement, the main problem persists. The device emits a bad odor and does not fulfill its primary function of purifying the air, so I cannot use it properly in my living space. I have repeatedly followed Dyson’s guidance and sent the product to the service center, but the issue has not been resolved, and my loss of time and trust has increased. Considering that both the original product and the replacement device have the same defect, that the problem has been confirmed in previous service processes, and that the latest service has not carried out a proper inspection, I request a full refund for the Dyson Purifier Big+Quiet BP02 with serial number 4WJ-EU-UNA0352A, purchased under the name Berna P*** D***. I expect Dyson to urgently process the refund and to correct the situation created by the defective product and the inadequate service process.