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The Sterra Sun control panel displays E1, E2 L3, L4 and flashes or blinks.Updated 9 months ago

  1. Power cycle the machine by turning it off, waiting for a few seconds, and then turning it back on.

  2. If the machine has been used continuously for 24/7, check if the body feels warm. If warm, turn it off and let it rest for at least 2 hours.

  3. After the 2-hour rest, try placing the unit in a different location within the room to ensure optimal performance.


If the issue persists after following these steps, please contact customer support for assistance.

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