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7.1 Polar3D printer LED lights

In addition to the small, white lights around the camera underneath the print head which are the very first lights to turn on when the printer is plugged in, the Polar3D printer has LED lights running vertically on the left hand side, with “POLAR” generally showing in blue when the printer is turned on (plugged in), and with the color of “3D” being an indication of the state of the printer. (Printer firmware updates or restarts are indicated with special coloring of the entire “POLAR3D” display: green for firmware updates, or white for firmware restarts.)

A summary of the meaning of the LED lights on these Polar3D printer is:

1.
POLAR3D (BLUE over BLUE): The printer has finished turning on, but is not connected to a network, and has stood up its own wireless network.
2.
POLAR3D (BLUE over RED): The printer has been configured to connect to a network, but that network has not yet, or could not, be found. (The LED lights will only remain BLUE over RED for a short time: then the lights will either return to BLUE over BLUE if the network could not be found, or progress to BLUE over YELLOW if the network is found.)
3.
POLAR3D (BLUE over YELLOW): The printer found a network to which it could connect, but the printer has not connected.
4.
POLAR3D (BLUE over WHITE): The printer is connected through the local network and the Internet to the Polar Cloud.
5.
POLAR3D (BLUE over GREEN): The printer has begun an update.1
6.
POLAR3D (BLUE over GREEN): The printer is partway through an update.
7.
POLAR3D (GREEN): The printer has just completed an update. (The LED lights will only remain solid GREEN for a short time; then the LED lights will return to their prior color(s), e.g., BLUE over WHITE if the printer is connected to the Polar Cloud.)
8.
POLAR3D (WHITE): The printer is about to restart (or is in process of restarting); that is, its firmware is rebooting. This is seen after clicking the “Restart” tab on the local web interface, and may also be seen after some printer firmware updates, if a restart is required to complete the update.

See also the Polar3D support discussion: Polar3D Support: What do the different LED lights mean?

And the Polar3D video:

Youtube Polar3D channel: WWBD - LED Light Explained

1The green color will move gradually upwards in the letters, until all the LED lights are green as the update completes, after which the LED lights will return to their normal color from before the update.

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