: Check if the connector between the motor and the control box is securely plugged in.
The best way to "work" on error lists is to never see them. Follow these maintenance schedules: siruba l818fm1 error list work
Typically due to poor-quality thread, incorrect tension, or burrs on the needle. Rethread both the upper thread and bobbin carefully through all guides. "Bird's Nesting": : Check if the connector between the motor
Verify the power plug and motor nameplate voltage match (single vs. 3-phase). Rethread both the upper thread and bobbin carefully
Pattern cannot be called; reset power or check internal memory. Over-voltage / Encoder Error Check power voltage or motor encoder connector. E3 / ERR3 Motor Locked / Needle Pos Check for machine/motor lock or needle bar position error. E4 / ERR4 Signal / Feed Error Check motor connector signals or feed limit sensor. E8 / ERR8 Detector/ROM Error Check detector UP/DOWN signals or ROM integrity. E10 Counter Zero / Power