A bug on its "wave to dismiss" feature has prompted Nest to recall 440,000 Nest Protects.
Nest notified its users in April about a bug in its Nest Protect alarms. According to a safety notice from Nest CEO Tony Fadell, the company discovered a glitch in the Nest Protect's "Nest Wave" feature which allows users to automatically switch off the alarm with a wave of the hand.
In its laboratory tests, engineers found out that the feature can be activated unintentionally which could delay an alarm. Although no customers were aware of the bug, Nest quickly disabled the feature via a software update.
The company also halted sales of its Nest Protect to ensure that "no one buys an alarm that needs an immediate update."
Today, the U.S. Consumer Product Safety Commission has officially announced the recall, possibly to give more weight into the issue. The CPSC says that over 440,000 Nest Protect units have been affected.
Users won't have to return their alarms though as the fix can be downloaded online. Simply connect the alarm to your Nest account and it will automatically receive the update.
"Customers should confirm that their devices have been updated by going to Nest Sense on their Nest account mobile or web application and ensuring that the button for Nest Wave is off and grayed out," CPSC said in a statement.
Users with no access to Wi-Fi can also ask for a full refund.
Nest also expects to resume selling its Nest Protect devices in a few weeks, a spokesman confirmed to The Guardian.