Updated

Updated · Ars Technica · Sep 22

Dyson Halts $499 CameraJet Sales Globally After 1 Day of Waterproofing Complaints

Updated

Updated · Ars Technica · Sep 22

Dyson Halts $499 CameraJet Sales Globally After 1 Day of Waterproofing Complaints

Q: What hidden manufacturing flaw forced Dyson to quietly pull its revolutionary AI toothbrush from global shelves in just days?

Dyson has not disclosed the exact defect, but the evidence points most strongly to a waterproofing failure in an early-batch component that allowed liquid to reach the CameraJet’s internal electronics. That assessment fits the pattern of complaints across markets: users reported water inside the battery compartment, charging failures, oxidation, overheating, dock faults, jet malfunctions, and units dying within seconds or hours. Consumer Reports said its review unit failed in under 24 hours. Those symptoms are consistent with water ingress damaging power and control systems. Dyson itself has only said that “a small number of early batches” may have had “a component issue,” while refusing to identify the part. Independent experts cited in coverage said the likely causes include a faulty seal, gasket or O-ring, poor part tolerances, or an adhesive-curing problem during manufacturing or shipping. Any of those could compromise the device’s claimed IPX7 water resistance and explain why moisture would enter a product designed to handle both brushing and pressurized liquid jets. So the “hidden manufacturing flaw” was not confirmed publicly as one named part, but the most credible explanation is a sealing or assembly defect in early production runs that caused water ingress, which then triggered battery, charging and overheating failures. That appears to be what forced Dyson to halt sales globally while isolating affected batches and offering refunds.

3 articles · Updated · Ars Technica · Sep 22

$499 CameraJet toothbrushes disappeared from Dyson stores in the US, UK, France and Singapore within days of launch, effectively halting global sales weeks after the Paris unveiling.
User complaints began a day after the September 8 US debut, citing water in the battery compartment and units failing within 30 seconds of use.
Consumer Reports said its review unit stopped working less than 24 hours after unboxing, adding to early evidence of a waterproofing flaw.
The setback hit a product Dyson spent six years developing, backed by 38 patents and a camera-guided rinsing system trained on 470,000 dental images.