MMU2S LED light meaning - Assembly and first prints troubleshooting

RE: MMU2S LED light meaning

NickAtNight — Sun, 19 Mar 2023 02:53:02 +0000

I suppose you figured it out by now.

I would guess that they are single light issues.

solid red being ‘wait until loaded’ and

flashing red/green being the signal to press the right continue button for 1-3 seconds.

Posted by: @tsrex
…but I noticed the first LED light is now a solid red and green and the 5th LED is solid red. Has anyone had this happen and what does it mean?

RE: MMU2S LED light meaning

NickAtNight — Sun, 19 Mar 2023 02:49:31 +0000

New MMU2S user.

All 5 flashing red is filament detected in system on power up. We have to remove the filament back to a loaded position BEFORE moving the selector. If we move the selector, we jam the filament and have to unjam it !

RE: MMU2S LED light meaning

TSRex — Thu, 09 Mar 2023 20:44:15 +0000

Unfortunately the first LED is still solid red and green and the last LED is solid red. I can't find anything on what this light configuration means.

RE: MMU2S LED light meaning

JoanTabb — Thu, 09 Mar 2023 06:56:30 +0000

this link may be helpful
https://help.prusa3d.com/article/mmu2s-leds-meaning_2187

regards Joan

MMU2S LED light meaning

TSRex — Thu, 09 Mar 2023 04:36:37 +0000

I had all 5 lights blinking red when trying to load filament and the selector would not move from the start position. I removed the filament and reset the MMU2S and tried to reload, but the selector would not move and immediately blink red on all 5 LED's. I removed the top screws to open it up to see if any filament had broken off and did not see anything. I checked to see if the blade had dislodged as that had happened to me before, but it did not. I shut my MK3S+ down, manually moved the selector gear and turned the printer back on to see if it would move, but still nothing, but I noticed the first LED light is now a solid red and green and the 5th LED is solid red. Has anyone had this happen and what does it mean?