Dyson Purifier Humidify + Cool De-Nox air purifier

The same exact thing happened to me as well. Got one, it broke in about a year – got a new one from warranty. That one broke down also in about a year – with a triangle warning just as described above. Got the blame for it from dyson support, sent it to be repaired – and nothing. Went back to try and figure out what was going on, got informed it is not repairable. DO NOT BUY.

I got this device about 2 years ago.

it worked well for almost a year, then it broke down.

I received a new one by the warranty. You guessed it, it also broke down after a year :D And this time there was no warranty. I had to contact Dyson support for the repair service. Running forward, worst support I have ever gotten. I payed 127€ for a repair, sent the unit. In a week I get an email that I have canceled the repair service. I obviously did not. Contacting support via chat did not help. They were just blaming me that I have canceled the repair. I called Finnish Dyson support. The guy there was a bit more competent. He called the repair service and determined that they have canceled it because "it is unrepairable".

The issue with both devices was that just a warning triangle. The item is not responsive, just a warning. No troubleshooting helped. The result? 1000+€ spent for couple of years of air cleaning. Filters cost 100€+. The machine breaks down and cannot be repaired. DONT BUY THIS EVER!