: If the machine throws Err-08 while upright, make sure the heavy iron cushion pads are properly aligned in the table cut-out so the head depresses the safety pin completely. Mechanical Diagnostics & Maintenance Checkpoints
Here are the most common error codes, their causes, and how to fix them.
Ensure the voltage is stable. Low voltage can cause random errors.
: If this persists, lengthen the deceleration time via the parameter settings. E3: Encoder Signal Error
Comment below with your control box model number for more tailored advice! Sewing Machine Error Code Guide | PDF | Power Supply
: Regularly clear dust from the feed dog and thread wiper areas to prevent "locked motor" errors.
error, many users find success by raising the machine head and manually rotating the wheel to clear thread jams in the shuttle or bobbin section. Cleanliness
Official documentation and further guidance can be found through the SiRUBA Electronic Control Parameter Manual SiRUBA Instruction Book portal Direct drive sewing machine error code fix needed
Power voltage is too low or power supply capacity is too small. Motor Locked The machine or motor is physically jammed. E4 / ERR1 Encoder / Pattern Error