| Problem | Likely Fix | |--------|-------------| | Screen shows garbled text | Firmware and LCD screen firmware mismatch – update LCD separately (Tronxy has .bin for the display SD card). | | Homing goes wrong way | Invert direction in firmware (recompile Marlin) or swap motor wires. | | Thermal runaway on boot | Check thermistor connections – new firmware is more sensitive. |
Safety is paramount in 3D printing. The updated firmware has improved logic for thermal runaway protection. This ensures that if the thermistor fails or the heater cartridge disconnects, the printer will shut down power to the hotend immediately, preventing potential fire hazards.
Crucial Warning: Before downloading any file, you must check your motherboard version. Installing the wrong firmware can render your printer unusable ("bricked"). tronxy xy2 pro firmware update new
Step 1: Prepare the SD Card
Step 2: Load the Firmware
Step 3: Power Down the Printer
Step 4: Insert and Boot
Step 5: Watch the Screen
Step 6: Remove the SD Card