Issues

• KAMP LINE_PURGE stalls Klipper on plates with detailed objects -> "Timer too close"

  OpenNeptune3D/OpenNept4une#455 · Filter by author b-scherer opened on Oct 30, 2026

• Neptune 4 v1.0 board requires "pwm: false" for Frame Light

  OpenNeptune3D/OpenNept4une#454 · Filter by author Linx-ESP opened on Oct 27, 2026
  1

• affinity.service gaps: ttyS0 IRQ priority not re-asserted after serial reopen; eth0 IRQ on the Klipper core; moonraker-obico unpinned

  OpenNeptune3D/OpenNept4une#445 · Filter by author matthewdva opened on Sep 5, 2026
  1

• MCU shutdowns root-caused: Linux UART TX DMA deadlock on ttyS0 — please include a424a34b8fad in the RT kernel build

  OpenNeptune3D/OpenNept4une#444 · Filter by author matthewdva opened on Sep 5, 2026
  7

• mobileraker/moonraker errors

  OpenNeptune3D/OpenNept4une#443 · Filter by author keeganemckee-glitch opened on Aug 28, 2026

• Mainboard fan switches off after 12 hours of idle time, causing RK3328 temperatures up to 67°C

  OpenNeptune3D/OpenNept4une#441 · Filter by author SaSue opened on Aug 23, 2026
  8

• [BUG] OpenNept4une v0.1.7 (Neptune 4 Max): Toolhead and bed physical crash during homing / speed test

  OpenNeptune3D/OpenNept4une#440 · Filter by author Marlboro62 opened on Aug 21, 2026
  2

• unable to install janus

  OpenNeptune3D/OpenNept4une#436 · Filter by author EagleWolfpack opened on Aug 2, 2026

• display bricked after install display connnector alpha

  OpenNeptune3D/OpenNept4une#435 · Filter by author Chaipatpp opened on Jul 30, 2026
  1

• Display shows mixed Stock Elegoo + OpenNept4une UI after Touch-Screen Service install + firmware flash (N4Pro, v0.1.7)

  OpenNeptune3D/OpenNept4une#432 · Filter by author TechFlipsi opened on Jul 18, 2026
  1

• Z Offset Changes Not Persisting After Reboot with Eddy Duo (USB) on OpenNept4une

  OpenNeptune3D/OpenNept4une#428 · Filter by author ytemucin16-commits opened on May 27, 2026

• FR: Alert user to updates that might require device re-flash

  OpenNeptune3D/OpenNept4une#426 · Filter by author uurf opened on May 18, 2026
  5

• display and obico and janus etc...

  OpenNeptune3D/OpenNept4une#424 · Filter by author AlexPrintsRU opened on May 10, 2026
  3

• MCU 'mcu' shutdown: Missed scheduling of next digital out event

  OpenNeptune3D/OpenNept4une#420 · Filter by author ooDaRk07oo opened on Apr 29, 2026
  4

• make firmware for Neptune 4 max type-c version

  OpenNeptune3D/OpenNept4une#417 · Filter by author igasparov opened on Apr 22, 2026
  41

• No IP address on thouch screen a way to display it

  OpenNeptune3D/OpenNept4une#416 · Filter by author cliveod opened on Apr 12, 2026
  4

• Neptune 4 Plus with Siboor Cartographer V3 broke after OpenNeptune3D 0.15 update via Fluidd

  OpenNeptune3D/OpenNept4une#414 · Filter by author dev0stranger opened on Mar 29, 2026
  2

• Missed scheduling of next digital out event.

  OpenNeptune3D/OpenNept4une#409 · Filter by author mar-things opened on Mar 12, 2026
  3

• Heater Shutdown, Missed Scheduling, Timer Too Close possible remedies

  OpenNeptune3D/OpenNept4une#398 · Filter by author TimPasquini opened on Feb 16, 2026
  1

• Thermal runaway

  OpenNeptune3D/OpenNept4une#396 · Filter by author fxcali opened on Feb 12, 2026
  1

• Since update leveling progress not showing

  OpenNeptune3D/OpenNept4une#395 · Filter by author pcworkshop60 opened on Feb 7, 2026
  2

• Since Update to 1.7 all USB devices are pretty unrelibale

  OpenNeptune3D/OpenNept4une#394 · Filter by author snailcatcher opened on Feb 6, 2026
  1

• On Print start I get an MCU Shutdown

  OpenNeptune3D/OpenNept4une#393 · Filter by author theDrsh opened on Feb 1, 2026
  14

• Lost communication with MCU 'mcu' after doing x axis input shaping

  OpenNeptune3D/OpenNept4une#392 · Filter by author WallBaby opened on Feb 1, 2026
  1

• MCU 'mcu' shutdown: Missed scheduling of next digital out event

  OpenNeptune3D/OpenNept4une#391 · Filter by author leshiy1980 opened on Jan 30, 2026
  3