Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worked very well, then broke

I purchased the Bionare 1300. The unit worked VERY well and I was delighted with many of the design features. I especially liked that the unit could be placed against a wall and still have good air flow. My allergy attacks were reduced significantly. After 2 weeks of use, the unit stopped working. The fan would not turn on at any speed. The display worked fine, but the fan would not turn on no matter what speed was selected. I hope a replacement will last longer because I like the features of this unit so much.