My Dyson is stuck at 999 for PM2.5 and PM10 and is out of warranty.. any way to clean the sensor? : r/dyson
My Dyson TP04 is on 999 and has been for several days. I have taken the filters out, wiped them down(dry, not wet), reset the filter and nothing has helped. I am
Dyson TP04 reports 999 on PM 2.5 and PM 10 - sensor cleaning - YouTube
TP04 suddenly shot up to 999 pm 2.5 and won't go down? : r/dyson
Dyson PM2.5 999 Always Severe [FIXED] – Geeks Hangout
Dyson TP04 - cleaning sensor resolves 999 status for PM 2.5 & 10 - YouTube
Air quality will not improve - Severe 999 reading showing | Dyson Community