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Disconnected UV LED panel #10321 (SL1/SL1S)

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Last updated 6 months ago
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CSDEESFRITPL

What happened?

The printer is displaying the message: The UV LED panel is not detected. Check the connection.

Error name: Disconnected UV LED panel

Error code: #10321

This error is shown when the UV LED connection cannot be found.

How to fix it?

To gain access to the connector on the A64 logic board you must remove the printer's cover. Open the eight M3x5b screws securing the cover (purple circles). Be careful to unplug the USB & power cable before removing the cover completely (orange square).

Original Prusa SL1 connectors

To access the UV LED use the guide for your printer: How to replace a UV LED assembly (SL1) or How to replace UV LED assembly (SL1S).

Original Prusa SL1S SPEED connectors

Check the UV LED cable connection to the UV LED assembly and to the Boost board. Make sure that both connectors are pushed all the way in.

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