Sunlu T3 Firmware

The T3 utilizes a modified version of a standard open-source UI, adapted for its specific knob-and-screen interface.

If you want to unlock the true speed of the Sunlu T3 (90mm/s+ with quality), install Klipper. The process involves: sunlu t3 firmware

Note for Klipper: The Sunlu T3 stock board uses a unique pin mapping for the extruder heater. You may need to set heater_pin: PD5 instead of the standard PA1. Always run a PIN_QUERY before heating. The T3 utilizes a modified version of a

| Symptom | Likely Cause | Solution | |---------|--------------|----------| | Homing fails, probe does not deploy | Wrong probe type in firmware | Recompile with Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN disabled | | Touchscreen shows no response | Firmware mismatch between mainboard and screen | Flash both mainboard and DWIN firmware | | "TMC CONNECTION ERROR" | UART pins not configured | Update to post-2023 firmware, or manually define in Configuration_adv.h | | Thermal runaway after 10 min | PID values incorrect | Run M303 E0 C8 S210 U1, then M500 | | Extruder steps/mm wrong (default 140?) | Old firmware used 400 steps | Set M92 E140 (for T3’s standard extruder gear ratio) | Note for Klipper: The Sunlu T3 stock board