Qidi X-pro Manual !!top!! -

The heater cartridge is failing or the silicone sock is missing. Replace the sock first. If that fails, replace the heater cartridge (XP-HT-24V).

Solution:

The printer comes with standard 0.4mm nozzles, perfect for 1.75mm filaments. Make sure the turbofan mouthpiece is installed to keep everything cool during those long prints. 3. The Art of Bed Leveling qidi x-pro manual