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Fails to print if there is no filament on a channel. #5

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opened 2026-04-26 13:55:07 +02:00 by dkuba4 · 1 comment
dkuba4 commented 2026-04-26 13:55:07 +02:00
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So currently I have filament spools in the {2,3,4} channels, having the first one empty. The channel 1 is detected as PLA on the bridge even though it is empty. This will cause the printer to throw the following error:

Channel 1 filament runout 
CODE:11855

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So currently I have filament spools in the {2,3,4} channels, having the first one empty. The channel 1 is detected as PLA on the bridge even though it is empty. This will cause the printer to throw the following error: ``` Channel 1 filament runout CODE:11855 ``` ![image.png](/attachments/6dcf4cdb-da70-4d5f-b942-0a7c5bb8a13b) ![image.png](/attachments/0a85113a-0fce-4607-9d3f-c3aac3590cb4)
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viewit reopened this issue 2026-04-26 15:54:27 +02:00
viewit commented 2026-04-26 15:55:09 +02:00
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Fixed in v0.9.1-beta15.

Root cause: The bridge included all AMS channels in the print mapping at start — even empty ones. The printer then tried to pull filament from an empty channel and aborted with Channel 1 filament runout – CODE:11855.

Fix: Empty slots are now detected via the status field (status=4 = empty, status=5 = loaded) and skipped when building the print mapping. Only loaded channels are passed to the printer.

Bonus: Empty slots are now displayed grayed out in the UI.

Update available: v0.9.1-beta15

Fixed in **v0.9.1-beta15**. **Root cause:** The bridge included all AMS channels in the print mapping at start — even empty ones. The printer then tried to pull filament from an empty channel and aborted with `Channel 1 filament runout – CODE:11855`. **Fix:** Empty slots are now detected via the `status` field (`status=4` = empty, `status=5` = loaded) and skipped when building the print mapping. Only loaded channels are passed to the printer. Bonus: Empty slots are now displayed grayed out in the UI. Update available: [v0.9.1-beta15](https://gitea.it-drui.de/viewit/KX-Bridge-Release/releases/tag/v0.9.1-beta15)
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Reference: viewit/KX-Bridge-Release#5
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