Ruby XL HD User Manual page 48


If the problem continues, disconnect the power adapter and call
Freedom Scientific Technical Support as mentioned earlier in this
document.
The battery indicator LED does not flash green, even though the power
adapter is connected and plugged into a wall socket.

Ensure that the small end of the power adapter is firmly plugged into the
unit's power port.

Ensure that the outlet has power and is not malfunctioning. If the outlet
is connected to a wall switch, make sure the switch is on.
The battery is not charging.

Use the supplied power adapter to charge the unit. The battery does
not charge when the unit is connected to a USB port.
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