Why does the screen dim on my Dyson Pure Hot+Cool™ heater purifier? | Dyson Community
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My HP01 when the temperature is set at any heating temperature setting in about 10 seconds it dims and can’t read it even though room temperature is not at that setting.

(Moderation edit - title updated)

@tomaugie Please check to make sure your machine isn’t on ‘night mode’ (moon icon on the remote) - which will dim the screen.