There are a few possible causes for the Sensor Device not switching on:n

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  • The battery is empty. Charge the Sensor Device according to section “How to use the Lunoa SPT daily” in the Instructions for Use. After a few hours, the Sensor Device should be fully charged and functional again.
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  • The Sensor Device has an internal error. Contact customer support via support.nightbalance@philips.com or call (800) 345-64-43.
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