(Needle Bar Position Error) may require manual adjustment of the needle bar height or timing relative to the hook. Solenoid Protection:
: If dust blocks the optical sensor within the wheel, clear it gently with compressed air. If the internal component fails, the machine must be repaired by a qualified technician . 3. Err-01 & Err-02: Power Infrastructure Fluctuations siruba+l818fm1+error+list+2021