There are several reasons for this charging related issue, for example, the power adapter or the charging cable is not working; the charging port of the projector has a problem; the projector is over-discharged.

To resolve this issue, please try these steps:

• Unplug the Cosmos or Cosmos Max and then replug it in another outlet.
• Try using another power adapter if possible.

If this issue persists, please contact us for further assistance. Please make sure to mention that you have tried the listed steps so that our agents do not ask you to repeat these steps.